Jan Ambjørn

Jan Ambjørn

Professor, emeritus

ORCID: 0000-0003-3782-089X

Publication year:
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301 - 339 out of 339Page size: 50
  1. 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

  2. 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

  3. 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

  4. Published

    A model for emergence of space and time

    Ambjørn, Jan & Watabiki, Y., 7 Oct 2015, In: Physics Letters B. 749, p. 149-152

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

  5. 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 journal › Journal article › Research › peer-review

  6. 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 journal › Journal article › Research › peer-review

  7. 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

  8. 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

  9. 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 journal › Journal article › Research › peer-review

  10. 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 journal › Journal article › Research › peer-review

  11. Published

    Matter-Driven Change of Spacetime Topology

    Ambjørn, Jan, Drogosz, Z., Gizbert-Studnicki, J., Gorlich, A., Jurkiewicz, J. & Nemeth, D., 12 Oct 2021, In: Physical Review Letters. 127, 16, 5 p., 161301.

    Research output: Contribution to journal › Letter › Research › peer-review

  12. 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

  13. 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

  14. 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

  15. 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

  16. Published

    Integrable ladder t-J model with staggered shift of the spectral parameter

    Ambjørn, Jan, Amaudon, D., Sedrakyan, A. & Sorba, T., 3 Aug 2001, In: Journal of Physics A: Mathematical and Theoretical. 34, 30, p. 5887-5900

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

  17. 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

  18. Published

    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. 467-469

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

  19. Published

    On the phase diagram of 2d Lorentzian quantum gravity

    Ambjørn, Jan, Anagnostopoulos, K. N. & Loll, R., 1 Apr 2000, In: Nuclear physics B, Proceedings supplements. 83-84, p. 733-735

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

  20. 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

  21. Published

    Four-dimensional gonihedric gauge spin system

    Ambjørn, Jan, Koutsoumbas, G. & Savvidy, G. W., 1 May 1999, In: EPL. 46, 3, p. 319-325

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

  22. Published

    The two-point function of c=-2 matter coupled to 2D quantum gravity

    Ambjørn, Jan, Kristjansen, Charlotte Fløe & Watabiki, Y., 3 Nov 1997, In: Nuclear Physics B. 504, 3, p. 555-578

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

  23. 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

  24. Published

    A solvable 2D gravity Model with Gamma greater than Zero

    Ambjørn, Jan, Durhuus, Bergfinnur & Jónsson, T., 1994, In: Modern Physics Letters A. 9, p. 1221-1228

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

  25. Published

    W-condensate formation in high energy collisions

    Ambjørn, Jan & Olesen, Poul, 21 Mar 1991, In: Physics Letters B. 257, 1-2, p. 201-206

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

  26. Published

    Non-perturbative calculation of correlators in 2D quantum gravity

    Ambjørn, Jan & Greensite, J., 17 Jan 1991, In: Physics Letters B. 254, 1-2, p. 66-70

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

  27. 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

  28. Published

    Periodic skyrme solitons

    Zahed , I., Wirzba, A., Meissner, U. G., Pethick, C. J. & Ambjørn, Jan, 5 Mar 1985, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 31, 5, p. 1114-1118

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

  29. Published

    Correlation functions in the multiple Ising model coupled to gravity

    Harris, M. G. & Ambjørn, Jan, 2 Sep 1996, In: Nuclear Physics B. 474, 3, p. 575-601

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

  30. Published

    A comment on the nonperturbative d=1 string theory

    Ambjørn, Jan, Jurkiewicz, J. & Krzywcki, A., 5 Jul 1990, In: Physics Letters B. 243, 4, p. 373-377

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

  31. Published

    ROPERTIES OF LOOP EQUATIONS FOR THE HERMITIAN MATRIX MODEL AND FOR TWO-DIMENSIONAL QUANTUM GRAVITY

    Ambjørn, Jan & Makeenko, Y. M., 10 Sep 1990, In: Modern Physics Letters A. 5, 22, p. 1753-1783

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

  32. Published

    The appearance of critical dimensions in regulated string theories

    Ambjørn, Jan, Durhuus, Bergfinnur, Frohlich, J. & Orland, P., 26 Jul 1986, In: Nuclear Physics B. 270, 3, p. 457-482

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

  33. 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

  34. Published

    High-temperature, classical, real-time dynamics of non-abelian gauge theories as seen by a computer

    Ambjørn, Jan, Anagnostopoulos, K. N. & Kransitz, A., 1 Jun 2001, In: Journal of High Energy Physics (Online). 2001, 6, p. 069

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

  35. 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

  36. Published

    CDT Quantum Toroidal Spacetimes: An Overview

    Ambjørn, Jan, Drogosz, Z., Gizbert-Studnicki, J., Gorlich, A., Jurkiewicz, J. & Nemeth, D., 26 Mar 2021, In: Universe. 7, 4, 26 p., 79.

    Research output: Contribution to journal › Review › Research › peer-review

  37. 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 journal › Journal article › Research › peer-review

  38. Published

    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

  39. Published

    The susceptibility exponent of Nambu-Goto strings

    Ambjørn, Jan & Makeenko, Y., 21 Jun 2021, In: Modern Physics Letters A. 36, 19, 11 p., 2150136.

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

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