Jan Ambjørn
Professor, emeritus
Theoretical high energy, astroparticle and gravitational physics
Blegdamsvej 17
2100 København Ø
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ZZ branes from a wroldsheet perspective
Ambjørn, Jan & Gesser, J. A., 1 Jun 2007, In: Acta Physica Polonica B. 38, 13, Special Issue, p. 3993-4007 12 p.Research output: Contribution to journal › Conference article › Research › peer-review
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Z2 GAUGE MATTER COUPLED TO 4-D SIMPLICIAL QUANTUM-GRAVITY
Ambjørn, Jan, Jurkiewicz, J., Blike, S., Burda, Z. & Petersson, T., 7 Sep 1994, In: Modern Physics Letters A. 9, 27, p. 2527-2541Research output: Contribution to journal › Journal article › Research › peer-review
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Z*U2 Gauge Matter Coupled to 4d Simplicial Quantum Gravity
Ambjørn, Jan, Bilke, S., Burda, Z., Jurkiewicz, J. & Petersson, B., 1994, In: Mod. Phys. Lett.. A9, p. 2527-2533Research output: Contribution to journal › Journal article › Research
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Wrapping interactions and a new source of corrections to the spin-chain/string duality
Ambjørn, Jan, Janik, R. A. & Kristjansen, Charlotte Fløe, 27 Feb 2006, In: Nuclear Physics B. 736, 3, p. 288-301Research output: Contribution to journal › Journal article › Research › peer-review
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Wormholes, a fluctuating cosmological constant and the Coleman mechanism
Ambjørn, Jan, Sato, Y. & Watabiki, Y., 2 Jan 2021, In: Physics Letters B. 815, 5 p., 136152.Research output: Contribution to journal › Journal article › Research › peer-review
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Wormholes in 2d Horava-Lifshitz quantum gravity
Ambjørn, Jan, Hiraga, Y., Ito, Y. & Sato, Y., 10 May 2021, In: Physics Letters B. 816, 5 p., 136205.Research output: Contribution to journal › Journal article › Research › peer-review
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World-sheet dynamics of ZZ-branes
Ambjørn, Jan, Gesser, J. A. & Gesser, J. A., 27 Sep 2007, In: Physics Letters B. 653, 5-6, p. 439-444 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Wilson loops in nonperturbative quantum gravity
Ambjørn, Jan, Gorlich, A., Jurkiewicz, J. & Loll, R., 7 Jul 2015, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 92, 2, 024013.Research output: Contribution to journal › Journal 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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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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W-condensate formation in high energy collisions
Ambjørn, Jan & Olesen, Poul, 21 Mar 1991, In: Physics Letters B. 257, 1-2, p. 201-206Research output: Contribution to journal › Journal article › Research › peer-review
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Vortex structure vs. monopole dominance in abelian-projected gauge theory
Ambjørn, Jan, Greensite, J. P. & Giedt, J., 1 Feb 2000, In: Journal of High Energy Physics (Online). 2000, 2, p. 033Research output: Contribution to journal › Journal article › Research › peer-review
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Vortex structure in abelian-projected lattice gauge theory
Ambjørn, Jan, Greensite, J. P. & Griedt, J., 1 Apr 2000, In: Nuclear physics B, Proceedings supplements. 83-84, p. 467-469Research output: Contribution to journal › Conference 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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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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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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Two-dimensional causal dynamical triangulations with gauge fields
Ambjørn, Jan & Ipsen, A. C., 24 Sep 2014, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 88, 6, 5 p., 067502.Research 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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Two-Dimensional Quantum Geometry
Ambjørn, Jan, Nielsen, J. L. & Rolf, J., 1999, In: Fortschr. Phys.. Vol. 47, p. 152-171Research output: Contribution to journal › Journal article › Research › peer-review
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Two obstacles in quantum gravity
Ambjørn, Jan, 1995, Proc. of the conference "Strings '93". p. 387-396Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Trees and spatial topology change in CDT
Ambjørn, Jan & Budd, T. G., 19 Jul 2013, In: Journal of Physics A: Mathematical and Theoretical. 46, 31Research output: Contribution to journal › Journal article › Research › peer-review
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Towards elucidation of zero-temperature criticality of the Ising model on 2D dynamical triangulations
Ambjørn, Jan, Sato, Y. & Tanaka, T., 18 May 2020, In: Physical Review D. 101, 10, 12 p., 106019.Research output: Contribution to journal › Journal article › Research › peer-review
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Towards an UV fixed point in CDT gravity
Ambjørn, Jan, Gizbert-Studnicki, J., Gorlich, A., Jurkiewicz, J. & Nemeth, D., 29 Jul 2019, In: Journal of High Energy Physics. 2019, 7, 18 p., 166.Research 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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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
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
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