Jan Ambjørn

Jan Ambjørn

Professor, emeritus

ORCID: 0000-0003-3782-089X

Publication year:
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251 - 300 out of 339Page size: 50
  1. 2008
  2. Published

    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

  3. Published

    Nonpertubative quantum de Sitter universe

    Ambjørn, Jan, Görlich, A., Jurkiewicz, J. & Loll, R., 26 Sep 2008, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 78, 6, p. 063544

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

  4. Published

    A causal alternative for c=0 strings

    Ambjørn, Jan, Loll, R., Watabiki, Y., Westra, W. & Zohren, S., 2 Dec 2008, In: Acta Physica Polonica B. 39, 12, p. 3355-3364 10 p.

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

  5. Published

    The quantum universe

    Ambjørn, Jan, Görlich, A., Jurkiewicz, J. & Loll, R., 17 Dec 2008, In: Acta Physica Polonica B. 39, 12, p. 3309-3341 34 p.

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

  6. Published

    A new continuum limit of matrix models

    Ambjørn, Jan, Loll, R., Watabiki, Y., Westra, W. & Zohren, S., 18 Dec 2008, In: Physics Letters B. 670, 2, p. 224-230 7 p.

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

  7. 2009
  8. 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

  9. Published

    Summing over all topological in CDT string field theory

    Ambjørn, Jan, Loll, R., Westra, W. & Zohren, S., 13 Jul 2009, In: Physics Letters B. 678, 2, p. 227-232 5 p.

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

  10. 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

  11. Published

    New aspects of two-dimensional quantum gravity

    Ambjørn, Jan, Loll, R., Watabiki, Y., Westra, W. & Zohren, S., 1 Dec 2009, In: Acta Physica Polonica B. 40, 12, p. 3479-3507 35 p.

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

  12. Published

    The self-organized de sitter universe

    Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 1 Dec 2009, In: International Journal of Modern Physics D. 17, 13-14, p. 2515-2520 5 p.

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

  13. 2010
  14. Published

    Quantum gravity as sum over spacetimes

    Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 1 Feb 2010, In: Lecture Notes in Physics. 807, p. 59-124

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

  15. Published

    Deriving spacetime from first principles

    Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 1 Apr 2010, In: Annalen der Physik. 19, 3-5, p. 186-195 9 p.

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

  16. Published

    Causal random geometry from stochastic quantization: XI Latin American Workshop on Nonlinear Phenomena

    Ambjørn, Jan, Loll, R., Westra, W. & Zohren, S., 5 Apr 2010, In: Journal of Physics - Conference Series. 246, 1, p. 012028 6 p.

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

  17. Published

    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

  18. 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

  19. Published

    CDT-a entropic theory of quantum gravity: Lectures given at International Workshop on Continuum and Lattice Approaches to Quantum Gravity, Brighton, United Kingdom, 17-19 Sep 08

    Ambjørn, Jan, Görlich, A., Jurkiewicz, J. & Loll, R., 1 Jul 2010, 49 p. United Kingdom

    Research output: Other contribution › Research

  20. 2011
  21. Published

    CDT as a scaling limit of matrix models

    Ambjørn, Jan, 1 May 2011, In: Acta Physica Polonica B. 42, 5, p. 923-937

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

  22. Published

    The semiclassical limit of causal dynamical triangulations

    Ambjørn, Jan, Gorlich, A., Jurkiewicz, J., Gizbert-Studnicki, J. & Trzesniewski, T., 1 Aug 2011, In: Nuclear Physics B. 849, 1, p. 144-165 21 p.

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

  23. 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

  24. 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

  25. 2012
  26. Published

    Pseudo-topological transitions in 2D gravity models coupled to massless scalar fields

    Ambjørn, Jan, Gorlich, A. T., Jurkiewicz, J. & Zhang, H., 2012, In: Nuclear Physics B. 863, 2, p. 421-434

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

  27. 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

  28. 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

  29. 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

  30. 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

  31. Published

    The transfer matrix in four-dimensional CDT

    Ambjørn, Jan, Gizbert-Studnicki, J., Gorlich, A. T. & Jurkiewicz, J., 1 Sep 2012, In: Journal of High Energy Physics (Online). 2012, 9, p. 017

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

  32. Published

    Nonperturbative quantum gravity

    Ambjørn, Jan, Goerlich, A., zJukiewic, J. & Loll, R., 1 Oct 2012, In: Physics Reports. 519, 4-5, p. 127-210 3 p.

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

  33. 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

  34. 2013
  35. Published

    2d CDT is 2d Horava-Lifshitz quantum gravity

    Ambjørn, Jan, Glaser, L., Sato, Y. & Watabiki, Y., 13 Mar 2013, In: Physics Letters B: Particle Physics, Nuclear Physics and Cosmology. 722, 1-3, p. 172-175

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

  36. Published

    The toroidal Hausdorff dimension of 2d Euclidean quantum gravity

    Ambjørn, Jan & Budd, T. G., 16 May 2013, In: Physics Letters B. 724, 4-5, p. 328-332

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

  37. 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

  38. Published

    Universality of 2d causal dynamical triangulations

    Ambjørn, Jan & Ipsen, A. C., 9 Jul 2013, In: Physics Letters B. 724, 1-3, p. 150-154

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

  39. Published

    Trees and spatial topology change in CDT

    Ambjørn, Jan & Budd, T. G., 19 Jul 2013, In: Journal of Physics A: Mathematical and Theoretical. 46, 31

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

  40. Published

    The XXZ Heisenberg model on random surfaces

    Ambjørn, Jan & Sedrakyan, A., 21 Sep 2013, In: Nuclear Physics B. 874, 3, p. 877-888

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

  41. Published

    Euclidian 4d quantum gravity with a non-trivial measure term

    Ambjørn, Jan, Glaser, L., Görlich, A. & Jurkiewicz, J., 16 Oct 2013, In: Journal of High Energy Physics (Online). 2013, 10, 100.

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

  42. 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

  43. 2014
  44. Published

    A restricted dimer model on a two-dimensional random causal triangulation

    Ambjørn, Jan, Durhuus, Bergfinnur & Wheater, J. F., 2014, In: Journal of Physics A: Mathematical and Theoretical. 47, 365001 .

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

  45. Published

    Effective QCD string beyond the Nambu-Goto action

    Ambjørn, Jan, Makeenko, I. & Sedrakyan, A., 21 May 2014, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 89, 10, 106010.

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

  46. Published

    The effective action in 4-dim CDT. The transfer matrix approach

    Ambjørn, Jan, Gizbert-Studnicki, J., Görlich, A. & Jurkiewicz, J., 6 Jun 2014, In: Journal of High Energy Physics (Online). 2014, 6, 034.

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

  47. Published

    A note on the Lee-Yang singularity coupled to 2d quantum gravity

    Ambjørn, Jan, Gorlich, A., Ipsen, A. C. & Zhang, H. -., 30 Jul 2014, In: Physics Letters B: Particle Physics, Nuclear Physics and Cosmology. 735, p. 191-194

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

  48. 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

  49. 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

  50. Published

    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

  51. Published

    A MATRIX MODEL FOR HYPERGEOMETRIC HURWITZ NUMBERS

    Ambjørn, Jan & Chekhov, L. O., 1 Dec 2014, In: Teoreticheskaya i Matematicheskaya Fizika. 181, 3, p. 1486-1498

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

  52. Published

    Geodesic distances in Liouville quantum gravity

    Ambjørn, Jan & Budd, T. G., 1 Dec 2014, In: Nuclear Physics, Section B. 889, p. 676-691

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

  53. 2015
  54. Published

    Exploring the spectrum of regularized bosonic string theory

    Ambjørn, Jan & Makeenko, Y., 1 Mar 2015, In: Journal of Experimental and Theoretical Physics. 120, 3, p. 470-476

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

  55. Published

    A c=1 phase transition in two-dimensional CDT/Horava-Lifshitz gravity?

    Ambjørn, Jan, Gorlich, A., Jurkiewicz, J. & Zhang, H., 9 Apr 2015, In: Physics Letters B: Particle Physics, Nuclear Physics and Cosmology. 743, p. 435-439

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

  56. Published

    The spectral dimension in 2D CDT gravity coupled to scalar fields

    Ambjørn, Jan, Gorlich, A., Jurkiewicz, J. & Zhang, H., 30 Apr 2015, In: Modern Physics Letters A. 30, 13, 1550077.

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

  57. Published

    The microscopic structure of 2D CDT coupled to matter

    Ambjørn, Jan, Gorlich, A., Jurkiewicz, J. & Zhang, H., 30 Jun 2015, In: Physics Letters B. 746, p. 359-364

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

  58. Published

    Matrix model for strings beyond the c=1 barrier: The spin-s Heisenberg model on random surfaces

    Ambjørn, Jan, Khachatryan, S. & Sedrakyan, A., 6 Jul 2015, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 92, 2, 026002.

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

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