Jan Ambjørn

Jan Ambjørn

Professor, emeritus

ORCID: 0000-0003-3782-089X

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  1. Published

    Reduced lattice gauge theory in two dimensions

    Ambjørn, Jan, Durhuus, Bergfinnur & Olesen, Poul, 13 Oct 1983, In: Physics Letters B. 130, 1-2, p. 93-97

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. Published

    Regularized bosonic strings need extrinsic curvature

    Ambjørn, Jan & Durhuus, Bergfinnur, 9 Apr 1987, In: Physics Letters B. 188, 2, p. 253-257

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    Regularized quantum gravity and string theory

    Ambjørn, Jan, 1992, Proc. on Random surfaces and 2-D quantum gravity, Barcelona, 1991... Amsterdam, p. 8-24

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  4. Published

    Regularized strings with extrinsic curvature

    Ambjørn, Jan, Durhuus, Bergfinnur, Frohlich, J. & Jonsson, T., 28 Dec 1987, In: Nuclear Physics B. 290, 4, p. 480-506

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. Published

    Remarks about c>1 and D>2

    Ambjørn, Jan, 1 Mar 1994, In: Theoretical and Mathematical Physics. 98, 3, p. 219-226

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Remarks on holographic Wilson loops and the Schwinger effect

    Ambjørn, Jan & Makeenko, Y., 5 Mar 2012, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 85, 6, p. 061901

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    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. 93-98

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    Renormalization group flow in CDT

    Ambjørn, Jan, Goerlich, A., Jurkiewicz, J., Kreienbuehl, A. & Loll, R., 21 Aug 2014, In: Classical and Quantum Gravity. 31, 16, 165003.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Renormalization in Quantum Theories of Geometry

    Ambjørn, Jan, Gizbert-Studnicki, J., Gorlich, A., Jurkiewicz, J. & Loll, R., 9 Jul 2020, In: Frontiers in Physics. 8, 12 p., 247.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Renormalization of 3d quantum gravity from matrix models

    Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 19 Feb 2004, In: Physics Letters B. 581, 3-4, p. 255-262

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Roaming moduli space using dynamical triangulations

    Ambjørn, Jan, Barkley, J. & Budd, T. G., 11 May 2012, In: Nuclear Physics B. 858, 2, p. 267-292

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    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. 153-158

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Scalar fields in causal dynamical triangulations

    Ambjørn, Jan, Drogosz, Z., Gizbert-Studnicki, J., Görlich, A., Jurkiewicz, J. & Nemeth, D., 16 Sep 2021, In: Classical and Quantum Gravity. 38, 60 p., 195030.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Scale-dependent Hausdorff dimensions in 2d gravity

    Ambjørn, Jan, Budd, T. & Watabiki, Y., 7 Sep 2014, In: Physics Letters B: Particle Physics, Nuclear Physics and Cosmology. 736, p. 339-343

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Scaling behavior of regularized bosonic strings

    Ambjørn, Jan & Makeenko, Y., 22 Mar 2016, In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 93, 6, 066007.

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    Scaling in four-dimensional quantum gravity

    Ambjørn, Jan & Jurkiewicz, J., 2 Oct 1995, In: Nuclear Physics B. 451, 3, p. 643-676

    Research output: Contribution to journal › Journal article › Research

  17. Published

    Scaling in quantum gravity

    Ambjørn, Jan & Watabiki, Y., 3 Jul 1995, In: Nuclear Physics B. 445, 1, p. 129-142

    Research output: Contribution to journal › Journal article › Research

  18. Published

    Scaling of the string tension in a new class of regularized string theories

    Ambjørn, Jan, Durhuus, Bergfinnur & Jonsson, T., 22 Jun 1987, In: Physical Review Letters. 58, 25, p. 2619-2622

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Scaling with a modified Wilson action which suppresses Z(2) artifacts in SU(2) lattice gauge theories

    Ambjørn, Jan & Thorleifsson, G., 1994, In: Phys. REv.. D 50, p. 4715-4717

    Research output: Contribution to journal › Journal article › Research

  20. Published

    Scaling with a modified Wilson action which suppresses Z2 antifacts in SU(2) lattice gauge theories

    Ambjørn, Jan & Thorleifsson, G., 1 Oct 1994, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 50, 7, p. 4715-4717

    Research output: Contribution to journal › Journal article › Research

  21. Published

    Scattering amplitudes of regularized bosonic strings

    Ambjørn, Jan & Makeenko, Y., 30 Oct 2017, In: Physical Review D. 96, 8, 086024.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Screening and D-brane dynamics in finite temperature superstring theory

    Ambjørn, Jan, Makeenko, Y. M., Semenoff, G. W. & Szabo, R. J., 15 Nov 1999, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 60, 10, p. 106009

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Search for scaling dimensions for random surfaces with c = 1

    Ambjørn, Jan, Bialas, P., Burda, Z., Jurkiewicz, J. & Peterson, B., 12 Jan 1995, In: Physics Letters B. 342, 1-4, p. 58-65

    Research output: Contribution to journal › Journal article › Research

  24. Published

    Searching for a continuum limit in causal dynamical triangulation quantum gravity

    Ambjørn, Jan, Coumbe, D. N., Gizbert-Studnicki, J. & Jurkiewicz, J., 17 May 2016, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 93, 10, 104032.

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    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. 124044

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    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. 211303

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    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

  28. Published

    Semiclassical universe from first principles

    Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 10 Feb 2005, In: Physics Letters B. 607, 3-4, p. 205-213

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Published

    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

  30. Published

    Signature change of the metric in CDT quantum gravity?

    Ambjørn, Jan, Coumbe, D. N., Gizbert-Studnicki, J. & Jurkiewicz, J., 7 Aug 2015, In: Journal of High Energy Physics (Online). 2015, 8, 033.

    Research output: Contribution to journal › Journal article › Research › peer-review

  31. Published

    Simplified tetrahedron equations: Fermionic realization

    Ambjørn, Jan, Khachatyan, S. & Sedrakyan, A., 6 Feb 2006, In: Nuclear Physics B. 734, 3, p. 287-303

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Simulating simplified versions of the IKKT matrix model

    Ambjørn, Jan, Anagnostopoulos, K. N., Hotta, T. & Nishimura, J., 29 Apr 2001, In: Nuclear Physics, Section B, Proceedings Supplements. 94, p. 685-688

    Research output: Contribution to journal › Conference article › Research › peer-review

  33. Published

    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. 1605-1628

    Research output: Contribution to journal › Journal article › Research

  34. Published

    Spectral curves for hypergeometric Hurwitz numbers

    Ambjørn, Jan & Chekhov, L. O., 23 Jul 2018, In: Journal of Geometry and Physics. 132, p. 382-392 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  35. Published

    Sphaleron topography

    Ambjørn, Jan & Farakos, K., 1 Mar 1993, In: Nuclear physics B, Proceedings supplements. 30, p. 711-714

    Research output: Contribution to journal › Journal article › Research › peer-review

  36. Published

    Sphaleron transition rate: recent numerical results

    Ambjørn, Jan & Krasnitz, A., 1 Apr 1998, In: Nuclear physics B, Proceedings supplements. 63, p. 575-577

    Research output: Contribution to journal › Journal article › Research › peer-review

  37. Published

    Sphaleron transitions and Baryon asymmetry: A nummerical, real-time analysis

    Ambjørn, Jan, Askgaard, T., Porter, H. & Shaposhnikov, M. E., 15 Apr 1991, In: Nuclear Physics B. 353, 2, p. 346-378

    Research output: Contribution to journal › Journal article › Research › peer-review

  38. Published

    Sphaleron-like transitions at high temperature

    Ambjørn, Jan, 1995, Proc. of NATO Advanced Research Workshop on Electroweak Physics and the Early Universe. p. 271-286

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  39. Published

    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. 3225-3241

    Research output: Contribution to journal › Journal article › Research

  40. Published

    Spiky higher genus strings

    Ambjørn, Jan, Bellini, A. & Johnston, D., 7 Sep 1991, In: Modern Physics Letters A. 6, 27, p. 2467-2474

    Research output: Contribution to journal › Journal article › Research › peer-review

  41. Published

    Spin-Spin Correlation Functions of Spin Systems Coupled to 2-D Quantum Gravity for 0 < c < 1

    Ambjørn, Jan, Anagnostopoulos, K. N., Magnea, U. & Thorleifsson, G., 1 Feb 1997, In: Nuclear Physics B. Supplement 53, p. 725-727

    Research output: Contribution to journal › Journal article › Research

  42. Published

    Spontaneous parity breaking in the early universe

    Ambjørn, Jan & Farakos, K., 1992, In: Nuclear Physics B. 26, p. 533-535

    Research output: Contribution to journal › Journal article › Research

  43. Published

    Spontaneous parity breaking of the electroweak theory in the early Universe..

    Ambjørn, Jan & Farakos, K., 1992, Workshop on Electroweak symmetry breaking. Singapore, p. 435-441

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  44. Published

    Stability of the nonperturbative bosonic string vacuum

    Ambjørn, Jan & Makeenko, Y., 10 Jul 2017, In: Physics Letters B. 770, p. 352-356

    Research output: Contribution to journal › Journal article › Research › peer-review

  45. Published

    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. 981-1000

    Research output: Contribution to journal › Journal article › Research › peer-review

  46. Published

    Stochastic confinement and dimensional reduction: (I). Four-dimensional SU(2) lattice gauge theory

    Ambjørn, Jan, Olesen, Poul & Peterson, C., 10 Sep 1984, In: Nuclear Physics B. 240, 2, p. 189-212

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. Published

    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. 533-542

    Research output: Contribution to journal › Journal article › Research › peer-review

  48. Published

    Stochastic quantization and the role of time in quantum gravity

    Ambjørn, Jan, Loll, R., Westra, W. & Zohren, S., 5 Oct 2009, In: Physics Letters B. 680, 4, p. 359-364 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    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. 496-510

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. Published

    String tensions for lattice gauge theories in 2 + 1 dimensions

    Ambjørn, Jan, Hey, A. & Otto, S., 25 Oct 1982, In: Nuclear Physics B. 210, 3, p. 347-368

    Research output: Contribution to journal › Journal article › Research › peer-review

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