Jan Ambjørn

Jan Ambjørn

Professor, emeritus

ORCID: 0000-0003-3782-089X

Publication year:
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  1. Published

    Nonperturbative 2D quantum gravity and Hamiltonians unbounded from below

    Ambjørn, Jan & Kristjansen, Charlotte Fløe, 20 Mar 1993, In: International Journal of Modern Physics A. 8, 7, p. 1259-1281

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

  2. 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

  3. Published

    Asymptotic freon: An example on electroweak magnetism

    Ambjørn, Jan & Olesen, Poul, 1990, In: Acta Physica Polonica B. 21, 2, p. 109-117

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

  4. 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

  5. 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

  6. Published

    Topology change in causal quantum gravity

    Ambjørn, Jan, Loll, R., Watabiki, Y., Westra, W. & Zohren, S., 2008, Proceedings of 17th Workshop on General Relativity and Gravitattion in Japan: Nagoya, Japan, 3-7 Dec 2007. 4 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  7. 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

  8. 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

  9. 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

  10. 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

  11. Published

    Properties of the vacuum. 2. Electrodynamic

    Ambjørn, Jan & Wolfram, S., 15 Aug 1983, In: Annals of Physics. 147, 1, p. 33-56

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

  12. Published

    Fermionized spin systems and the boson-fermion mapping in (2+1)-dimensional gauge theory

    Ambjørn, Jan & Semenoff, G. W., 3 Aug 1989, In: Physics Letters B. 226, 1-2, p. 107-112

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

  13. Published

    Anti-screening of large magnetic fields by vector bosons

    Ambjørn, Jan & Olesen, Poul, 1 Dec 1988, In: Physics Letters B. 214, 4, p. 565-589

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

  14. 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

  15. Published

    3-DIMENSIONAL SIMPLICIAL QUANTUM-GRAVITY COUPLED TO ISING MATTER

    Ambjørn, Jan, Burda, Z., Jurkiewicz, J. & Kristjansen, Charlotte Fløe, 1 Mar 1993, In: Nuclear Physics B. Suppl. 30, p. 771-774

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

  16. Published

    A SOLVABLE 2D GRAVITY MODEL WITH ¿>0

    Ambjørn, Jan, Durhuus, Bergfinnur & Jonsson, T., 30 Apr 1994, In: Modern Physics Letters A. 9, 13, p. 1221-1228

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

  17. Published

    Z2 GAUGE MATTER COUPLED TO 4-D SIMPLICIAL QUANTUM-GRAVITY

    Ambjørn, Jan, Jurkiewicz, J., Blike, S., Burda, Z. & Petersson, T., 7 Sep 1994, In: Modern Physics Letters A. 9, 27, p. 2527-2541

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

  18. Published

    Nonperturbative dynamics of noncommutative gauge theory

    Ambjørn, Jan, Makeenko, Y. M., Nishimura, J. & Szabo, R. J., 11 May 2000, In: Physics Letters B. 480, 3-4, p. 399-408

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

  19. 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

  20. 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

  21. 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

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

  23. 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

  24. 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

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

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