Jan Ambjørn

Jan Ambjørn

Professor, emeritus

ORCID: 0000-0003-3782-089X

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  1. Published

    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. 977-979

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

  2. Published

    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. 044

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

  3. Published

    Quantum rolling tachyon

    Ambjørn, Jan & Janik, R. A., 23 Dec 2004, In: Physics Letters B. 604, 3-4, p. 225-234

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

  4. Published

    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. 965-967

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

  5. Published

    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. 337-346

    Research output: Contribution to journal › Journal article › Research

  6. Published

    Parity breaking at high temperature and density

    Ambjørn, Jan, Farakos, K. & Shaposhnikov, M. E., 29 Mar 1993, In: Nuclear Physics B. 393, 3, p. 633-657

    Research output: Contribution to journal › Journal article › Research

  7. Published

    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. 341-348

    Research output: Contribution to journal › Journal article › Research

  8. Published

    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. 029

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

  9. Published

    Dynamical triangulations, a gateway to quantum gravity?

    Ambjørn, Jan, Jurkiewicz, J. & Watabiki, Y., 1 Nov 1995, In: Journal of Mathematical Physics. 36, 11, p. 6299-6339

    Research output: Contribution to journal › Journal article › Research

  10. 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

  11. 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

  12. Published

    Three-dimensional simplicial quantum gravity

    Ambjørn, Jan & Varsted, S., 6 Apr 1992, In: Nuclear Physics B. 373, 2, p. 557-577

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

  13. 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

  14. Published

    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

  15. 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. 044011

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

  16. Published

    Recent progress in the theory of random surfaces and simplicial quantum gravity

    Ambjørn, Jan, 1 Apr 1995, In: Nuclear Physics B. Suppl. 42, p. 3-16

    Research output: Contribution to journal › Journal article › Research

  17. Published

    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. 032

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

  18. 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

  19. Published

    Two-Dimensional Quantum Geometry

    Ambjørn, Jan, Nijmegen, U. & Budd, T. G., 31 Oct 2013, In: Acta Physica Polonica B. 44, p. 2537-2558

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

  20. Published

    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. 689-692

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

  21. 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. 2665-2681

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

  22. Published

    On the Exponential Bound in Four-Dimensional Simplicial Gravity

    Ambjørn, Jan & Jurkiewicz, J., 8 Sep 1994, In: Physics Letters B. 335, 3-4, p. 355-358

    Research output: Contribution to journal › Journal article › Research

  23. Published

    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

  24. Published

    Action principle of Bogoliubov coefficients

    Ambjørn, Jan, Hughes, R. J. & Nielsen, N. K., 1 Oct 1983, In: Annals of Physics. 150, 1, p. 92-113

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

  25. 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

  26. Published

    Baby universes revisited

    Ambjørn, Jan, Barkley, J., Budd, T. & Loll, R., 30 Nov 2011, In: Physics Letters B. 706, 1, p. 86-89

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

  27. 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. 109-114

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

  28. Published

    Intrinsic geometry of c = 1 random surfaces

    Ambjørn, Jan & Jurkiewicz, J., 1 Apr 1995, In: Nuclear Physics B. Suppl. 42, p. 701-703

    Research output: Contribution to journal › Journal article › Research

  29. Published

    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

  30. Published

    Dynamically triangulating Lorentzian quantum gravity

    Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 3 Sep 2001, In: Nuclear Physics B. 610, 1-2, p. 347-382

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

  31. 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. 013

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

  32. Published

    Connected correlators in random geometries

    Ambjørn, Jan, Bialas, P. & Jurkiewicz, J., 1 Apr 2000, In: Nuclear physics B, Proceedings supplements. 83-84, p. 736-738

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

  33. Published

    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. 327-333

    Research output: Contribution to journal › Journal article › Research

  34. 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

  35. Published

    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. 091304

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

  36. 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. 403-412

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

  37. 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

  38. Published

    Strings, Quantum Gravity and Non-commutative Geometry on the Lattice

    Ambjørn, Jan, 28 May 2002, In: Nuclear Physics, Section B, Proceedings Supplements. 106, p. 62-70

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

  39. 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. 010

    Research output: Contribution to journal › Journal article › Research

  40. 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. 3187-3202

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

  41. 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

  42. 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. 177-195

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

  43. Published

    Electroweak Magnetism- theory and applications

    Ambjørn, Jan & Olesen, Poul, 10 Dec 1990, In: International Journal of Modern Physics A. 5, 23, p. 4525-4557

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

  44. 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. 381-408

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

  45. 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. 057

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

  46. 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. 24-32

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

  47. Published

    Connected correlators in quantum gravity

    Ambjørn, Jan, Bialas, P. & Jurkiewicz, J., 28 May 1999, In: Journal of High Energy Physics. 1999, 2, p. 005

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

  48. 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

  49. 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. 483-508

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

  50. 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. 5689-5709

    Research output: Contribution to journal › Journal article › Research

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