Jan Ambjørn

Jan Ambjørn

Professor, emeritus


  1. 2000
  2. Published

    Vortex structure vs. monopole dominance in abelian-projected gauge theory

    Ambjørn, Jan, Greensite, J. P. & Giedt, J., 1 Feb 2000, In: Journal of High Energy Physics (Online). 2000, 2, p. 033

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Nonpertubative Dynamics of Noncommutative Gauge Theory

    Ambjørn, Jan, Nishimura, J., Szabo, R. J. & Makeenko, Y. M., 2000, In: Phys. Lett.. B480, p. 399

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. 1999
  5. Published

    New perspective on matter coupling in 2D quantum gravity

    Ambjørn, Jan, Anagnostopoulos, K. N. & Loll, R., 15 Nov 1999, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 60, 10, p. 104035

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Screening and D-brane dynamics in finite temperature superstring theory

    Ambjørn, Jan, Makeenko, Y. M., Semenoff, G. W. & Szabo, R. J., 15 Nov 1999, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 60, 10, p. 106009

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Bethe Ansatz and thermodynamic limit of affine quantum group invariant extensions of the t-J model

    Ambjørn, Jan, Avakyan, A., Hakobyan, T. & Sedrakyan, A., 1 Nov 1999, In: Journal of Mathematical Physics. 40, 11, p. 5687-5701

    Research output: Contribution to journalJournal articleResearchpeer-review

  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 journalJournal articleResearchpeer-review

  9. Published

    Abelian gauge fields coupled to simplicial quantum gravity

    Ambjørn, Jan, Anagnostopoulos, K. N. & Jurkiewicz, J., 28 Oct 1999, In: Journal of High Energy Physics. 1999, 8, p. 016

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. 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 journalJournal articleResearchpeer-review

  11. 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 journalJournal articleResearchpeer-review

  12. Published

    Crumpled triangulations and critical points in 4D simplicial quantum gravity

    Ambjørn, Jan, Carfora, M., Gabrielli, D. & Marzuoli, A., 8 Mar 1999, In: Nuclear Physics B. 542, 1-2, p. 349-394

    Research output: Contribution to journalJournal articleResearchpeer-review

  13. Published

    Quantum geometry and diffusion

    Ambjørn, Jan, Anagnostopoulos, K. N., Ichihara, T., Jensen, L. & Watabiki, Y., 12 Feb 1999, In: Journal of High Energy Physics (Online). 1999, 11, p. 022

    Research output: Contribution to journalJournal articleResearch

  14. 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 journalJournal articleResearchpeer-review

  15. Published

    Thermodynamics of D0-branes in matrix theory

    Ambjørn, Jan, Makeenko, Y. M. & Semenoff, G. W., 7 Jan 1999, In: Physics Letters B. 445, 3-4, p. 307-315

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    U(1) Lattice Gauge Theory and N = 2 Supersymmetric Yang-Mills Theory

    Ambjørn, Jan, Sasakura, N. & Espriu, D., 2 Jan 1999, In: Fortschritte der Physik. 47, 1-3, p. 287-292

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Quantum Geometry

    Ambjørn, Jan, 1999, Geometry in Present Day Science. p. 1-20

    Research output: Chapter in Book/Report/Conference proceedingReport chapterCommunication

  18. Published

    Two-Dimensional Quantum Geometry

    Ambjørn, Jan, Nielsen, J. L. & Rolf, J., 1999, In: Fortschr. Phys.. Vol. 47, p. 152-171

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. 1998
  20. Published

    Non-perturbative Lorentzian quantum gravity, causality and topology change

    Ambjørn, Jan & Loll, R., 21 Dec 1998, In: Nuclear Physics B. 536, 1-2, p. 407-434

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. Published

    The NBI matrix model of IIB Superstrings

    Ambjørn, Jan & Chekhov, L., 1 Dec 1998, In: Journal of High Energy Physics (Online). 1998, 12, p. 007

    Research output: Contribution to journalJournal articleResearch

  22. Published

    Center Disorder in the 3D Georgi-Glashow Model

    Ambjørn, Jan & Greensite, J., 1 May 1998, In: Journal of High Energy Physics (Online). 1998, 5, p. 004

    Research output: Contribution to journalJournal articleResearchpeer-review

  23. Published

    Complex zeros of the 2-d ising model on dynamical random lattices.

    Ambjørn, Jan, Anagnostopoulos, K. N. & Magnea, U., 1 Apr 1998, In: Nuclear physics B, Proceedings supplements. 63, p. 751-753

    Research output: Contribution to journalJournal articleResearch

  24. Published

    Intrinsic geometric structure of c = -2 quantum gravity.

    Ambjørn, Jan, Anagnostopoulos, K. N., Ichihara, T., Jensen, L., Kawamoto, N., Watabiki, Y. & Yotsuji, K., 1 Apr 1998, In: Nuclear physics B, Proceedings supplements. 63, p. 748-750

    Research output: Contribution to journalJournal articleResearch

  25. 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 journalJournal articleResearchpeer-review

  26. Published

    The Concept of Time in 2D Quantum Gravity

    Ambjørn, Jan, Anagnostopoulos, K. N., Jurkiewicz, J. & Kristjansen, Charlotte Fløe, 1 Apr 1998, In: Journal of High Energy Physics. 1998, 4, 016.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    The quantum space-time of c > 0 2-d gravity.

    Ambjørn, Jan, Anagnostopoulos, K. N. & Thorleifsson, G., 1 Apr 1998, In: Nuclear physics B, Proceedings supplements. 60, p. 742-744

    Research output: Contribution to journalJournal articleResearch

  28. Published

    A new family of integrable extended multi-band Hubbard Hamiltonians

    Ambjørn, Jan, Sedrakyan, A., Avakyan, A. & Hakobyan, T., 7 Mar 1998, In: Modern Physics Letters A. 13, 7, p. 495-503

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Published

    The quantum space-time of c=-2 gravity

    Ambjørn, Jan, Anagnostopoulos, K. N., Ichihara, T., Jensen, L., Kawamoto, N., Watabiki, Y. & Yotsuji, K., 9 Feb 1998, In: Nuclear Physics B. 511, 3, p. 673-710

    Research output: Contribution to journalJournal articleResearch

  30. 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 journalJournal articleResearch

  31. Published

    The Quantum Spacetime Of c>0 2d Gravity

    Ambjørn, Jan, Anagnostopoulos, K. N. & Thorleifsson, G., 1998, In: Nucl. Phys. B (Proc.Suppl.). 63, p. 742-744

    Research output: Contribution to journalJournal articleResearch

  32. 1997
  33. Published

    Spikes in quantum Regge calculus

    Ambjørn, Jan, Nielsen, J. L., Rolf, J. J. & Savvidy, G., 1 Dec 1997, In: Classical and Quantum Gravity. 14, 12, p. 3225-3241

    Research output: Contribution to journalJournal articleResearch

  34. Published

    Improved determination of the classical sphaleron transition rate

    Ambjørn, Jan & Krasnitz, A., 24 Nov 1997, In: Nuclear Physics B. 506, 1-2, p. 387-403

    Research output: Contribution to journalJournal articleResearch

  35. 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 journalJournal articleResearchpeer-review

  36. 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 journalJournal articleResearchpeer-review

  37. Published

    On the connection between 2d topological gravity and the reduced Hermitian matrix model

    Ambjørn, Jan, Harris, M. G. & Weis, M., 27 Oct 1997, In: Nuclear Physics B. 504, 1-2, p. 482-510

    Research output: Contribution to journalJournal articleResearch

  38. Published

    Noncritical string field theory for 2d quantum gravity coupled to (p,q)-conformal fields

    Ambjørn, Jan & Watabiki, Y., 20 Sep 1997, In: International Journal of Modern Physics A. 12, 23, p. 4257-4289

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. Published

    Quantum Geometry of 2-D Gravity Coupled to Unitary Matter

    Ambjørn, Jan & Anagnostopoulos, K. N., 21 Jul 1997, In: Nuclear Physics B. 497, 1-2, p. 445-478

    Research output: Contribution to journalJournal articleResearch

  40. 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 journalJournal articleResearch

  41. Published

    Non-critical Open Strings beyond the Semiclassical Approximation

    Ambjørn, Jan, Hayasaka, K. & Nakayama, R., 7 Jun 1997, In: Modern Physics Letters A. 12, 17, p. 1241-1266

    Research output: Contribution to journalJournal articleResearch

  42. Published

    Quantum Geometry of Topological Gravity

    Ambjørn, Jan, Anagnostopoulos, K. N., Ichihara, T., Jensen, L., Kawamoto, N., Watabiki, Y. & Yotsuji, K., 3 Apr 1997, In: Physics Letters B. 397, 3-4, p. 177-184

    Research output: Contribution to journalJournal articleResearch

  43. Published

    Alternative Actions for Quantum Gravity and the Intrinsic Rigidity of the Space-Time

    Ambjørn, Jan, Savvidy, G. K. & Savvidy, K. G., 17 Feb 1997, In: Nuclear Physics B. 486, 1-2, p. 390-412

    Research output: Contribution to journalJournal articleResearch

  44. Published

    Spin-Spin Correlation Functions of Spin Systems Coupled to 2-D Quantum Gravity for 0 < c < 1

    Ambjørn, Jan, Anagnostopoulos, K. N., Magnea, U. & Thorleifsson, G., 1 Feb 1997, In: Nuclear Physics B. Supplement 53, p. 725-727

    Research output: Contribution to journalJournal articleResearch

  45. Published

    Noncritical String Field Theory for Two-D Quantum Gravity coupled to (p, q) Conformal Fields

    Ambjørn, Jan & Watabiki, Y., 1997, In: Int. J. Mod. Phys.. A12, p. 4257-4289

    Research output: Contribution to journalJournal articleResearch

  46. Published

    Quantum Geometry, a statistical field theory approach

    Ambjørn, Jan, Durhuus, Bergfinnur & Jonsson, T., 1997, Monographs in Matematical Physics. p. 371

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  47. Published

    Quantum geometry: A statistical field theory point of view

    Durhuus, Bergfinnur, Ambjørn, Jan & Jónsson, T., 1997, Cambridge: Cambridge University Press. 363 p.

    Research output: Book/ReportBookpeer-review

  48. Published

    The Geometry of Dynamical Triangulations

    Ambjørn, Jan, Carfora, M. & Marzuoli, A., 1997, Lecture Notes in Physics: N.s. M, Monographs 50. p. 197

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  49. Published

    The fractal Structure of Space-Time

    Ambjørn, Jan, 1997, Second International Sakharov Conference on Physics, Moscow, May 18.-25., 1996. Singapore, p. 235

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  50. 1996
  51. Published

    Supersymmetric matrix models and branched polymers

    Ambjørn, Jan, Makeenko, Y. & Zarembo, K., 30 Dec 1996, In: Nuclear Physics B. 482, 3, p. 660-674

    Research output: Contribution to journalJournal articleResearchpeer-review

  52. Published

    Geometrical interpretation of the Knizhnik-Polyakov-Zamolodchikov exponents

    Ambjørn, Jan, Anagnostopoulos, K., Magnea, U. & Thorleifsson, G., 28 Nov 1996, In: Physics Letters B. 388, 4, p. 713-719

    Research output: Contribution to journalJournal articleResearchpeer-review

  53. Published

    New universal spectral correlators

    Akemann, G. & Ambjørn, Jan, 21 Nov 1996, In: Journal of Physics A: Mathematical and Theoretical. 29, 22, p. L555-L560

    Research output: Contribution to journalJournal articleResearchpeer-review

  54. Published

    The measure in three dimensional Nambu-Goto string theory

    Ambjørn, Jan & Sedrakyan, A., 3 Oct 1996, In: Physics Letters B. 386, 1-4, p. 99-105

    Research output: Contribution to journalJournal articleResearchpeer-review

  55. 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 journalJournal articleResearchpeer-review

ID: 5868