Jan Ambjørn

Jan Ambjørn

Professor, emeritus


  1. 2015
  2. 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 journalJournal articleResearchpeer-review

  3. 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 journalJournal articleResearchpeer-review

  4. Published

    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 journalJournal articleResearchpeer-review

  5. 2016
  6. Published

    Generalized multicritical one-matrix models

    Ambjørn, Jan, Budd, T. & Makeenko, Y., 2016, In: Nuclear Physics, Section B. 913, p. 357-380 24 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Impact of topology in causal dynamical triangulations quantum gravity

    Ambjørn, Jan, Drogosz, Z., Gizbert-Studnicki, J., Gorlich, A., Jurkiewicz, J. & Nemeth, D., 8 Aug 2016, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 94, 4, 044010.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. 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 journalJournal articleResearchpeer-review

  9. 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 journalJournal articleResearchpeer-review

  10. Published

    String theory as a Lilliputian world

    Ambjørn, Jan & Makeenko, Y., 10 May 2016, In: Physics Letters B. 756, p. 142-146

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. 2017
  12. Published

    A modified Friedmann equation

    Ambjørn, Jan & Watabiki, Y., 28 Dec 2017, In: Modern Physics Letters A. 32, 40, 1750224.

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    CDT and the big bang

    Ambjørn, Jan & Watabiki, Y., 1 Apr 2017, In: Acta Physica Polonica B, Proceedings Supplement. 10, 2, p. 299-303

    Research output: Contribution to journalConference articleResearchpeer-review

  14. Published

    Characteristics of the new phase in CDT

    Ambjørn, Jan, Gizbert-Studnicki, J., Gorlich, A., Jurkiewicz, J., Klitgaard, N. & Loll, R., 9 Mar 2017, In: European Physical Journal C. 77, 3, 152.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Creating 3, 4, 6 and 10-dimensional spacetime from W3 symmetry

    Ambjørn, Jan & Watabiki, Y., 10 Jul 2017, In: Physics Letters B. 770, p. 252-256

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Four-dimensional CDT with toroidal topology

    Ambjørn, Jan, Gizbert-Studnicki, J., Gorlich, A., Grosvenor, K. & Jurkiewicz, J., 8 Aug 2017, In: Nuclear Physics B. 922, p. 226-246

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    New higher-order transition in causal dynamical triangulations

    Ambjørn, Jan, Coumbe, D., Gizbert-Studnicki, J., Gorlich, A. & Jurkiewicz, J., 16 Jun 2017, In: Physical Review D. 95, 12, 124029.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. 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 journalJournal articleResearchpeer-review

  19. 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 journalJournal articleResearchpeer-review

  20. Published

    The use of Pauli-Villars regularization in string theory

    Ambjørn, Jan & Makeenko, Y., 10 Nov 2017, In: International Journal of Modern Physics A. 32, 31, 1750187.

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. 2018
  22. Published

    Perturbed generalized multicritical one-matrix models

    Ambjørn, Jan, Chekhov, L. & Makeenko, Y., Mar 2018, In: Nuclear Physics B. 928, p. 1-20 20 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    The phase structure of causal dynamical triangulations with toroidal spatial topology

    Ambjørn, Jan, Gizbert-Studnicki, J., Gorlich, A., Jurkiewicz, J. & Nemeth, D., 21 Jun 2018, In: Journal of High Energy Physics. 2018, 6, 23 p., 111.

    Research output: Contribution to journalJournal articleResearchpeer-review

  24. 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 journalJournal articleResearchpeer-review

  25. 2019
  26. Published

    Critical phenomena in causal dynamical triangulations

    Ambjørn, Jan, Coumbe, D., Gizbert-Studnicki, J., Gorlich, A. & Jurkiewicz, J., 15 Oct 2019, In: Classical and Quantum Gravity. 36, 22, 40 p., 224001.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    Pseudo-Cartesian coordinates in a model of Causal Dynamical Triangulations

    Ambjørn, Jan, Drogosz, Z., Gizbert-Studnicki, J., Gorlich, A. & Jurkiewicz, J., 30 Apr 2019, In: Nuclear Physics B. 943, 18 p., 114626.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    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 journalJournal articleResearchpeer-review

  29. 2020
  30. Published

    Models of the universe based on Jordan algebras

    Ambjørn, Jan & Watabiki, Y., 1 Jun 2020, In: Nuclear Physics B. 955, 54 p., 115044.

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. Published

    The higher-order phase transition in toroidal CDT

    Ambjørn, Jan, Czelusta, G., Gizbert-Studnicki, J., Gorlich, A., Jurkiewicz, J. & Nemeth, D., 7 May 2020, In: Journal of High Energy Physics. 2020, 5, 18 p., 030.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 5868