Jan Ambjørn
Professor, emeritus
Theoretical high energy, astroparticle and gravitational physics
Blegdamsvej 17
2100 København Ø
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Errata: J. Ambjørn and P. Olesen, A magnetic condensate solution of the classical electroweak theory, Phys. Lett. B 218 (1989) 67.
Ambjørn, Jan, 13 Apr 1989, In: Physics Letters B. 220, 4, p. 659 1 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
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Monte Carlo simulations of regularized bosonic strings
Ambjørn, Jan, De Forcrand, P., Koukiou, F. & Petritis, D., 5 Nov 1987, In: Physics Letters B. 197, 4, p. 548-552Research output: Contribution to journal › Journal article › Research › peer-review
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A non-perturbative definition of 2D quantum gravity by the fifth time action
Ambjørn, Jan, Greensite, J. & Varsted, S., 25 Oct 1990, In: Physics Letters B. 249, 3-4, p. 411-416Research output: Contribution to journal › Journal article › Research › peer-review
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Lorentzian 3d gravity with wormholes via matrix models
Ambjørn, Jan, Jurkiewicz, J., Loll, R. & Vernizzi, G., 1 Sep 2001, In: Journal of High Energy Physics (Online). 2001, 9, p. 022Research output: Contribution to journal › Journal article › Research › peer-review
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A random surface theory with nontrivial gamma(string)
Ambjørn, Jan, Burda, Z., Jurkiewicz, J. & Peterson, B., 5 Jan 1995, In: Physics Letters B. 341, 3-4, p. 286-292Research output: Contribution to journal › Journal article › Research
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CDT meets Horova-Lifshitz gravity
Ambjørn, Jan, Görlich, A., Jordan, S., Jurkiewicz, J. & Loll, R., 28 Jun 2010, In: Physics Letters B. 690, 4, p. 413-419 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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U(1) Lattice Gauge Theory and N = 2 Supersymmetric Yang-Mills Theory
Ambjørn, Jan, Sasakura, N. & Espriu, D., 2 Jan 1999, In: Fortschritte der Physik. 47, 1-3, p. 287-292Research output: Contribution to journal › Journal article › Research › peer-review
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A matrix model for 2D quantum gravity defined by causal dynamical triangulations
Ambjørn, Jan, Loll, R., Watabiki, Y., Westra, W. & Zohren, S., 24 Jul 2008, In: Physics Letters B. 665, 4, p. 252-256 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Properties of the vacuum. 2. Electrodynamic
Ambjørn, Jan & Wolfram, S., 15 Aug 1983, In: Annals of Physics. 147, 1, p. 33-56Research output: Contribution to journal › Journal article › Research › peer-review
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Emergence of a 4D world from causal quantum gravity
Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 24 Sep 2004, In: Physical Review Letters. 93, 13, p. 131301Research output: Contribution to journal › Journal article › Research › peer-review
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Crumpled triangulations and critical points in 4D simplicial quantum gravity
Ambjørn, Jan, Carfora, M., Gabrielli, D. & Marzuoli, A., 8 Mar 1999, In: Nuclear Physics B. 542, 1-2, p. 349-394Research output: Contribution to journal › Journal article › Research › peer-review
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The quantum space-time of c > 0 2-d gravity.
Ambjørn, Jan, Anagnostopoulos, K. N. & Thorleifsson, G., 1 Apr 1998, In: Nuclear physics B, Proceedings supplements. 60, p. 742-744Research output: Contribution to journal › Journal article › Research
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On the fractal structure of two-dimensional quantum gravity
Ambjørn, Jan, Jurkiewicz, J. & Watabiki, Y., 6 Nov 1995, In: Nucl. Phys.. 454, 1-2, p. 313-342Research output: Contribution to journal › Journal article › Research
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Matrix model calculations beyond the spherical limit
Ambjørn, Jan, Chekhov, L., Kristjansen, Charlotte Fløe & Makeenko, Y., 30 Aug 1993, In: Nuclear Physics B. 404, 1-2, p. 127-172Research output: Contribution to journal › Journal article › Research › peer-review
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Statistical mechanics of paths with curvature-dependent action
Ambjørn, Jan, Durhuus, Bergfinnur & Jonsson, T., 21 Feb 1988, In: Journal of Physics A: Mathematical and Theoretical. 21, 4, p. 981-1000Research output: Contribution to journal › Journal article › Research › peer-review
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Roaming moduli space using dynamical triangulations
Ambjørn, Jan, Barkley, J. & Budd, T. G., 11 May 2012, In: Nuclear Physics B. 858, 2, p. 267-292Research output: Contribution to journal › Journal article › Research › peer-review
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The Concept of Time in 2D Quantum Gravity
Ambjørn, Jan, Anagnostopoulos, K. N., Jurkiewicz, J. & Kristjansen, Charlotte Fløe, 1 Apr 1998, In: Journal of High Energy Physics. 1998, 4, 016.Research output: Contribution to journal › Journal article › Research › peer-review
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On the connection between 2d topological gravity and the reduced Hermitian matrix model
Ambjørn, Jan, Harris, M. G. & Weis, M., 27 Oct 1997, In: Nuclear Physics B. 504, 1-2, p. 482-510Research output: Contribution to journal › Journal article › Research
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A universal fractal structure of 2d quantum gravity for c > 1
Ambjørn, Jan & Thorleifsson, G., 3 Mar 1994, In: Physics Letters B. 323, 1, p. 7-12Research output: Contribution to journal › Journal article › Research
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Complex zeros of the 2-d ising model on dynamical random lattices.
Ambjørn, Jan, Anagnostopoulos, K. N. & Magnea, U., 1 Apr 1998, In: Nuclear physics B, Proceedings supplements. 63, p. 751-753Research output: Contribution to journal › Journal article › Research
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Non-critical Open Strings beyond the Semiclassical Approximation
Ambjørn, Jan, Hayasaka, K. & Nakayama, R., 7 Jun 1997, In: Modern Physics Letters A. 12, 17, p. 1241-1266Research output: Contribution to journal › Journal article › Research
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Quantum gravity represented as dynamical triangulations
Ambjørn, Jan, 1 Sep 1995, In: Classical and Quantum Gravity. 12, 9, p. 2079-2134Research output: Contribution to journal › Journal article › Research
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Baby universes in 2D quantum gravity
Ambjørn, Jan, Jain, S. & Thorleifsson, G., 10 Jun 1993, In: Physic Letters B. 307, 1-2, p. 34-39Research output: Contribution to journal › Journal article › Research
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Stochastic confinement and dimensional reduction (II). Three-dimensional SU(2) lattice gauge theory
Ambjørn, Jan, Olesen, Poul & Peterson, C., 20 Nov 1984, In: Nuclear Physics B. 240, 4, p. 533-542Research output: Contribution to journal › Journal article › Research › peer-review
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Baryon asymmetry of the universe. A Monte Carlo study on the lattice
Ambjørn, Jan, Laursen, M. & Shaposhnkov, M. E., 22 Oct 1987, In: Physics Letters B. 197, 1-2, p. 49-54Research output: Contribution to journal › Journal article › Research › peer-review
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Second-and first-order phase transitions in causal dynamical triangulations
Ambjørn, Jan, Jordan, S., Loll, R. & Jurkiewicz, J., 20 Jun 2012, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 85, 12, p. 124044Research output: Contribution to journal › Journal article › Research › peer-review
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Four-dimensional gonihedric gauge spin system
Ambjørn, Jan, Koutsoumbas, G. & Savvidy, G. W., 1 May 1999, In: EPL. 46, 3, p. 319-325Research output: Contribution to journal › Journal article › Research › peer-review
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A comment on the nonperturbative d=1 string theory
Ambjørn, Jan, Jurkiewicz, J. & Krzywcki, A., 5 Jul 1990, In: Physics Letters B. 243, 4, p. 373-377Research output: Contribution to journal › Journal article › Research › peer-review
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ROPERTIES OF LOOP EQUATIONS FOR THE HERMITIAN MATRIX MODEL AND FOR TWO-DIMENSIONAL QUANTUM GRAVITY
Ambjørn, Jan & Makeenko, Y. M., 10 Sep 1990, In: Modern Physics Letters A. 5, 22, p. 1753-1783Research output: Contribution to journal › Journal article › Research › peer-review
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The factorization method for Monte Carlo simulations of systems with a complex action
Ambjørn, Jan, Anagnostopoulos, K. N., Nishimura, J. & Verbaarschot, J. J. M., 29 Apr 2004, In: Nuclear physics B, Proceedings supplements. 129, p. 530-532Research output: Contribution to journal › Conference article › Research › peer-review
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Intrinsic geometric structure of c = -2 quantum gravity.
Ambjørn, Jan, Anagnostopoulos, K. N., Ichihara, T., Jensen, L., Kawamoto, N., Watabiki, Y. & Yotsuji, K., 1 Apr 1998, In: Nuclear physics B, Proceedings supplements. 63, p. 748-750Research output: Contribution to journal › Journal article › Research
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Level crossing for hot sphalerons
Ambjørn, Jan, Farakos, K., Hands, S., Koutsoumas, G. & Thorleifsson, G., 22 Aug 1994, In: Nuclear Physics B. 425, 1-2, p. 39-66Research output: Contribution to journal › Journal article › Research
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Four-dimensional simplicial quantum gravity
Ambjørn, Jan & Jurkiewicz, J., 19 Mar 1992, In: Physics Letters B. 278, 1-2, p. 42-50Research output: Contribution to journal › Journal article › Research
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Multiloop correlators for two-dimensional quantum gravity
Ambjørn, Jan, Juriekwcz, J. & Makeenko, Y. M., 29 Nov 1990, In: Physics Letters B. 251, 4, p. 517-524Research output: Contribution to journal › Journal article › Research › peer-review
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Universality of 2d causal dynamical triangulations
Ambjørn, Jan & Ipsen, A. C., 9 Jul 2013, In: Physics Letters B. 724, 1-3, p. 150-154Research output: Contribution to journal › Journal article › Research › peer-review
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Towards a diagrammatic derivation of the Veneziano-Yankielowicz-Taylor superpotential
Ambjørn, Jan & Janik, R. A., 4 Sep 2003, In: Physics Letters B. 569, 1-2, p. 81-84Research output: Contribution to journal › Journal article › Research › peer-review
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New perspective on matter coupling in 2D quantum gravity
Ambjørn, Jan, Anagnostopoulos, K. N. & Loll, R., 15 Nov 1999, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 60, 10, p. 104035Research output: Contribution to journal › Journal article › Research › peer-review
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Critical properties of the dynamical random surface with extrinsic curvature
Ambjørn, Jan, Jurkiewicz, J., Varsted, S., Irback, A. & Petersson, B., 30 Jan 1992, In: Physics Letters B. 275, 3-4, p. 295-303Research output: Contribution to journal › Journal article › Research
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The self-organized quantum Universe
Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 1 Jul 2008, In: Scientific American. 299, 1, p. 42-49 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Quantum gravity as sum over spacetimes
Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 1 Feb 2010, In: Lecture Notes in Physics. 807, p. 59-124Research output: Contribution to journal › Journal article › Research › peer-review
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Properties of the vacuum. I. Mechanical and thermodynamic
Ambjørn, Jan & Wolfram, S., 15 Aug 1983, In: Annals of Physics. 147, 1, p. 1-32Research output: Contribution to journal › Journal article › Research › peer-review
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Quantum Gravity represented as Dynamical Triangulations
Ambjørn, Jan, Burad, Z., Jurkiewicz, J. & Kristjansen, Charlotte Fløe, 1 Oct 1992, In: Acta Physica Polonica B. 23, 10, p. 991-1029Research output: Contribution to journal › Journal article › Research › peer-review
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A random walk representation of the Dirac propagator
Ambjørn, Jan, Durhuus, Bergfinnur & Jonsson, T., 29 Jan 1990, In: Nuclear Physics B. 330, 2-3, p. 509-522Research output: Contribution to journal › Journal article › Research › peer-review
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Spikes in quantum Regge calculus
Ambjørn, Jan, Nielsen, J. L., Rolf, J. J. & Savvidy, G., 1 Dec 1997, In: Classical and Quantum Gravity. 14, 12, p. 3225-3241Research output: Contribution to journal › Journal article › Research
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3D quantum gravity coupled to matter
Ambjørn, Jan, Burda, Z., Jurkiewicz, J. & Kristjansen, Charlotte Fløe, 31 Dec 1992, In: Physics Letters B. 297, 3-4, p. 253-260Research output: Contribution to journal › Journal article › Research › peer-review
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Topography of the hot sphaleron transitions
Ambjørn, Jan & Farakos, K., 12 Nov 1992, In: Physics Letters B. 294, 2, p. 248-256Research output: Contribution to journal › Journal article › Research › peer-review
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Wilson loops in 2D noncommutative euclidean gauge theory: 2. 1/T expansion
Ambjørn, Jan, Dubin, A. & Makeenko, Y., 22 Oct 2007, In: Journal of High Energy Physics (Online). 2007, 12, p. 079Research output: Contribution to journal › Journal article › Research › peer-review
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The universe from scratch
Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 30 Mar 2006, In: Contemporary Physics. 47, 2, p. 103-117Research output: Contribution to journal › Review › Research › peer-review
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RESOLVING THE ON-SHELL AND OFF-SHELL AMBIGUITY OF PERTURBATIVE QCD USING SUM-RULES
Ambjørn, Jan & Sakain, N., 5 Jan 1981, In: Zeitschrift fur Physik C-Particles and Fields. 8, 3, p. 221-231Research output: Contribution to journal › Journal article › Research › peer-review
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External field dependence in SU(2) lattice theory
Ambjørn, Jan, Mitrjushkin, V. K. & Zadorozhny, A. M., 16 Aug 1990, In: Physics Letters B. 245, 3-4, p. 575-580Research output: Contribution to journal › Journal article › Research › peer-review
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A Lorentzian cure for euclidean troubles
Ambjørn, Jan, Dasgupta, A., Jurkiewicz, J. & Loll, R., 28 May 2002, In: Nuclear physics B, Proceedings supplements. 106, p. 977-979Research output: Contribution to journal › Conference article › Research › peer-review
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Wilson loops in 2D noncommutative euclidean gauge theory 1. Perturbative expansion
Ambjørn, Jan, Dubin, A. & Makeenko, Y., 1 Jul 2004, In: Journal of High Energy Physics (Online). 2004, 7, p. 044Research output: Contribution to journal › Journal article › Research › peer-review
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Quantum rolling tachyon
Ambjørn, Jan & Janik, R. A., 23 Dec 2004, In: Physics Letters B. 604, 3-4, p. 225-234Research output: Contribution to journal › Journal article › Research › peer-review
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On the Quantum Geometry of String Theory
Ambjørn, Jan, Anagnostopoulos, K. N. & Nishimura, J., 28 May 2002, In: Nuclear Physics, Section B, Proceedings Supplements. 106, p. 965-967Research output: Contribution to journal › Conference article › Research › peer-review
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Effective sampling of random surfaces by baby universe surgery
Ambjørn, Jan, Bialas, P., Burda, Z., Jurkiewicz, J. & Petersson, B., 21 Apr 1994, In: Physics Letters B. 325, 3-4, p. 337-346Research output: Contribution to journal › Journal article › Research
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Parity breaking at high temperature and density
Ambjørn, Jan, Farakos, K. & Shaposhnikov, M. E., 29 Mar 1993, In: Nuclear Physics B. 393, 3, p. 633-657Research output: Contribution to journal › Journal article › Research
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Higher genus correlators from the hermitian one-matrix model
Ambjørn, Jan, Chekhov, L. & Makeenko, Y., 28 May 1992, In: Physics Letters B. 282, 3-4, p. 341-348Research output: Contribution to journal › Journal article › Research
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Finite N matrix models of noncommutative gauge theory
Ambjørn, Jan, Makeenko, Y. M., Nishimura, J. & Szabo, R. J., 1 Nov 1999, In: Journal of High Energy Physics (Online). 1999, 11, p. 029Research output: Contribution to journal › Journal article › Research › peer-review
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Dynamical triangulations, a gateway to quantum gravity?
Ambjørn, Jan, Jurkiewicz, J. & Watabiki, Y., 1 Nov 1995, In: Journal of Mathematical Physics. 36, 11, p. 6299-6339Research output: Contribution to journal › Journal article › Research
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Shaken, but not stirred: Potts model coupled to quantum gravity
Ambjørn, Jan, Anagnostopoulos, K. N., Loll, R. & Pushkina, I., 21 Jan 2009, In: Nuclear Physics B. 807, 1-2, p. 251-264 19 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Stochastic quantization vs. KdV flows in two-dimensional quantum gravity
Ambjørn, Jan, Johnson, C. V. & Morris, T. R., 4 May 1992, In: Nuclear Physics B. 374, 3, p. 496-510Research output: Contribution to journal › Journal article › Research › peer-review
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Three-dimensional simplicial quantum gravity
Ambjørn, Jan & Varsted, S., 6 Apr 1992, In: Nuclear Physics B. 373, 2, p. 557-577Research output: Contribution to journal › Journal article › Research › peer-review
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Second-order phase transition in causal dynamical triangulations
Ambjørn, Jan, Jordan, S., Jurkiewicz, J. & Loll, R., 15 Nov 2011, In: Physical Review Letters. 107, 21, p. 211303Research output: Contribution to journal › Journal article › Research › peer-review
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Easing the Hubble constant tension
Ambjørn, Jan & Watabiki, Y., 1 Mar 2022, In: Modern Physics Letters A. 37, 07, 2250041.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Nonperturbative 3d Lorentzian quantum gravity
Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 15 Aug 2001, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 64, 4, p. 044011Research output: Contribution to journal › Journal article › Research › peer-review
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Recent progress in the theory of random surfaces and simplicial quantum gravity
Ambjørn, Jan, 1 Apr 1995, In: Nuclear Physics B. Suppl. 42, p. 3-16Research output: Contribution to journal › Journal article › Research
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A string field theory based on causal dynamical triangulations
Ambjørn, Jan, Loll, R., Watabiki, Y., Westra, W. & Zohren, S., 1 May 2008, In: Journal of High Energy Physics (Online). 2008, 5, p. 032Research output: Contribution to journal › Journal article › Research › peer-review
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SU(2) lattice gauge theory with an external field
Ambjørn, Jan, Mitrjushkin, V. K., Bornyakov, V. G. & Zadorozhny, A. M., 13 Jul 1989, In: Physics Letters B. 225, 1-2, p. 153-158Research output: Contribution to journal › Journal article › Research › peer-review
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Two-Dimensional Quantum Geometry
Ambjørn, Jan, Nijmegen, U. & Budd, T. G., 31 Oct 2013, In: Acta Physica Polonica B. 44, p. 2537-2558Research output: Contribution to journal › Conference article › Research › peer-review
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Computer simulations of 3d Lorentzian quantum gravity
Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 29 Apr 2001, In: Nuclear Physics, Section B, Proceedings Supplements. 94, p. 689-692Research output: Contribution to journal › Conference article › Research › peer-review
- Published
U(1) lattice gauge theory and N=2 supersymmetric Yang-Mills theory
Ambjørn, Jan, Sasakura, N. & Espriu, D., 20 Nov 1997, In: Modern Physics Letters A. 12, 35, p. 2665-2681Research output: Contribution to journal › Journal article › Research › peer-review
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On the Exponential Bound in Four-Dimensional Simplicial Gravity
Ambjørn, Jan & Jurkiewicz, J., 8 Sep 1994, In: Physics Letters B. 335, 3-4, p. 355-358Research output: Contribution to journal › Journal article › Research
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Geometry of the quantum universe
Ambjørn, Jan, Görlich, A., Jurkiewicz, J. & Loll, R., 28 Jun 2010, In: Physics Letters B. 690, 4, p. 420-426 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Action principle of Bogoliubov coefficients
Ambjørn, Jan, Hughes, R. J. & Nielsen, N. K., 1 Oct 1983, In: Annals of Physics. 150, 1, p. 92-113Research output: Contribution to journal › Journal article › Research › peer-review
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Renormalisation group flow in an exactly solvable model with fluctuating geometry
Ambjørn, Jan, Bialas, P. & Jurkiewicz, J., 27 Jun 1996, In: Physics Letters B. 379, 1-2, p. 93-98Research output: Contribution to journal › Journal article › Research › peer-review
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Baby universes revisited
Ambjørn, Jan, Barkley, J., Budd, T. & Loll, R., 30 Nov 2011, In: Physics Letters B. 706, 1, p. 86-89Research output: Contribution to journal › Journal article › Research › peer-review
- Published
New multicritical matrix models and multicritical 2d CDT
Ambjørn, Jan, Glaser, L., Gorlich, A. & Sato, Y., 30 May 2012, In: Physics Letters B. 712, 1-2, p. 109-114Research output: Contribution to journal › Journal article › Research › peer-review
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Intrinsic geometry of c = 1 random surfaces
Ambjørn, Jan & Jurkiewicz, J., 1 Apr 1995, In: Nuclear Physics B. Suppl. 42, p. 701-703Research output: Contribution to journal › Journal article › Research
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CAUSAL DYNAMICAL TRIANGULATIONS AND THE SEARCH FOR A THEORY OF QUANTUM GRAVITY
Ambjørn, Jan, Görlich, A., Jurkiewicz, J. & Roll, R., 1 Jul 2013, In: International Journal of Modern Physics D. 22, 9, 19 p., 1330019.Research output: Contribution to journal › Journal article › Research › peer-review
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Dynamically triangulating Lorentzian quantum gravity
Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 3 Sep 2001, In: Nuclear Physics B. 610, 1-2, p. 347-382Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Large N dynamics of dimensionally reduced 4D SU(N) super Yang-Mills theory
Ambjørn, Jan, Anagnostopoulos, K. N. & Nishimura, J., 1 Jul 2000, In: Journal of High Energy Physics (Online). 2000, 7, p. 013Research output: Contribution to journal › Journal article › Research › peer-review
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Connected correlators in random geometries
Ambjørn, Jan, Bialas, P. & Jurkiewicz, J., 1 Apr 2000, In: Nuclear physics B, Proceedings supplements. 83-84, p. 736-738Research output: Contribution to journal › Conference article › Research › peer-review
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The 3D Ising model represented as random surfaces
Ambjørn, Jan, Sedrakyan, A. & Thorleifsson, G., 15 Apr 1993, In: Physics Letters B. 303, 3-4, p. 327-333Research output: Contribution to journal › Journal article › Research
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Singularities of the Partition Function for the Ising Model coupled to 2-D Quantum Gravity
Ambjørn, Jan, Anagnostopoulos, K. N. & Magnea, U., 20 Jul 1997, In: Modern Physics Letters A. 12, 22, p. 1605-1628Research output: Contribution to journal › Journal article › Research
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Planckian birth of a quantum de Sitter universe
Ambjørn, Jan, Goerlich, A., Jurkiewicz, J. & Loll, R., 7 Mar 2008, In: Physical Review Letters. 100, 9, p. 091304Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Summing over all genera for d > 1: a toy model
Ambjørn, Jan, Durhuus, Bergfinnur & Jonsson, T., 26 Jul 1990, In: Physics Letters B. 244, 3-4, p. 403-412Research output: Contribution to journal › Journal article › Research › peer-review
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Semi-classical dynamical triangulations
Ambjørn, Jan & Budd, T. G., 15 Nov 2012, In: Physics Letters B. 718, 1, p. 200-204 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Strings, Quantum Gravity and Non-commutative Geometry on the Lattice
Ambjørn, Jan, 28 May 2002, In: Nuclear Physics, Section B, Proceedings Supplements. 106, p. 62-70Research output: Contribution to journal › Conference article › Research › peer-review
- Published
The spectral dimension of 2D quantum gravity
Ambjørn, Jan, Boulatov, D., Nielsen, J. L., Rolf, J. J. & Watabiki, Y., 1 Feb 1998, In: Journal of High Energy Physics (Online). 1998, 02, p. 010Research output: Contribution to journal › Journal article › Research
- Published
Higher genus correlators for the complex matrix model
Ambjørn, Jan, Kristjansen, Charlotte Fløe & Makeenko, Y., 10 Nov 1992, In: Modern Physics Letters A. 7, 34, p. 3187-3202Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Topology induced first-order phase transitions in lattice quantum gravity
Ambjørn, Jan, Gizbert-Studnicki, J., Gorlich, A. & Nemeth, D., 3 Apr 2022, In: Journal of High Energy Physics (Online). 2022, 04, 20 p., 103.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Euclidean and Lorentzian quantum gravity - lessons from two dimensions
Ambjørn, Jan, Loll, R., Nielsen, J. L. & Rolf, J., 1 Feb 1999, In: Chaos, Solitons & Fractals. 10, 2-3, p. 177-195Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Electroweak Magnetism- theory and applications
Ambjørn, Jan & Olesen, Poul, 10 Dec 1990, In: International Journal of Modern Physics A. 5, 23, p. 4525-4557Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The axial anomaly and the lattice Dirac sea
Ambjørn, Jan, Greensite, J. & Peterson, C., 11 Jul 1983, In: Nuclear Physics B. 221, 2, p. 381-408Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The emergence of noncommutative target space in noncritical string theory
Ambjørn, Jan & Janik, R. A., 1 Aug 2005, In: Journal of High Energy Physics (Online). 2005, 8, p. 057Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The relation between Euclidean and Lorentzian 2D quantum gravity
Ambjørn, Jan, Gonçalves Dias Correia, J. L., Kristjansen, Charlotte Fløe & Loll, R., 24 Feb 2000, In: Physics Letters B. 475, 4, p. 24-32Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Connected correlators in quantum gravity
Ambjørn, Jan, Bialas, P. & Jurkiewicz, J., 28 May 1999, In: Journal of High Energy Physics. 1999, 2, p. 005Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Scaling in quantum gravity
Ambjørn, Jan & Watabiki, Y., 3 Jul 1995, In: Nuclear Physics B. 445, 1, p. 129-142Research output: Contribution to journal › Journal article › Research
- Published
Baryon asymmetry generation in the electroweak theory: A lattice study
Ambjørn, Jan, Laursen, M. L. & Shaposhnikov, M. E., 10 Apr 1989, In: Nuclear Physics B. 316, 2, p. 483-508Research output: Contribution to journal › Journal article › Research › peer-review
- Published
2D quantum gravity coupled to renormalizable matter fields
Ambjørn, Jan & Ghoroku, K., 30 Dec 1994, In: International Journal of Modern Physics A. 9, 32, p. 5689-5709Research output: Contribution to journal › Journal article › Research
ID: 5868
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Signature change of the metric in CDT quantum gravity?
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A model for emergence of space and time
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String theory as a Lilliputian world
Research output: Contribution to journal › Journal article › Research › peer-review
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