Jan Ambjørn
Professor, emeritus
Theoretical high energy, astroparticle and gravitational physics
Blegdamsvej 17
2100 København Ø
- 2000
- 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. 467-469Research output: Contribution to journal › Conference article › Research › peer-review
- 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. 033Research output: Contribution to journal › Journal article › Research › peer-review
- 1999
- Published
Quantum Geometry
Ambjørn, Jan, 1999, Geometry in Present Day Science. p. 1-20Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Communication
- Published
Two-Dimensional Quantum Geometry
Ambjørn, Jan, Nielsen, J. L. & Rolf, J., 1999, In: Fortschr. Phys.. Vol. 47, p. 152-171Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 016Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 5687-5701Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Connected correlators in quantum gravity
Ambjørn, Jan, Bialas, P. & Jurkiewicz, J., 28 May 1999, In: Journal of High Energy Physics. 1999, 2, p. 005Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 349-394Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 177-195Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 029Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Four-dimensional gonihedric gauge spin system
Ambjørn, Jan, Koutsoumbas, G. & Savvidy, G. W., 1 May 1999, In: EPL. 46, 3, p. 319-325Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 104035Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 022Research output: Contribution to journal › Journal article › Research
- 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. 106009Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 307-315Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 287-292Research output: Contribution to journal › Journal article › Research › peer-review
- 1998
- 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. 742-744Research output: Contribution to journal › Journal article › Research
- 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. 495-503Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 004Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 751-753Research output: Contribution to journal › Journal article › Research
- 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. 748-750Research output: Contribution to journal › Journal article › Research
- 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. 407-434Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Sphaleron transition rate: recent numerical results
Ambjørn, Jan & Krasnitz, A., 1 Apr 1998, In: Nuclear physics B, Proceedings supplements. 63, p. 575-577Research output: Contribution to journal › Journal article › Research › peer-review
- 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 journal › Journal article › Research › peer-review
- 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. 007Research output: Contribution to journal › Journal article › Research
- 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. 742-744Research output: Contribution to journal › Journal article › Research
- 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. 673-710Research output: Contribution to journal › Journal article › Research
- 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. 010Research output: Contribution to journal › Journal article › Research
- 1997
- 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. 4257-4289Research output: Contribution to journal › Journal article › Research
- Published
Quantum Geometry, a statistical field theory approach
Ambjørn, Jan, Durhuus, Bergfinnur & Jonsson, T., 1997, Monographs in Matematical Physics. p. 371Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
The Geometry of Dynamical Triangulations
Ambjørn, Jan, Carfora, M. & Marzuoli, A., 1997, Lecture Notes in Physics: N.s. M, Monographs 50. p. 197Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
The fractal Structure of Space-Time
Ambjørn, Jan, 1997, Second International Sakharov Conference on Physics, Moscow, May 18.-25., 1996. Singapore, p. 235Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 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. 390-412Research output: Contribution to journal › Journal article › Research
- Published
Improved determination of the classical sphaleron transition rate
Ambjørn, Jan & Krasnitz, A., 24 Nov 1997, In: Nuclear Physics B. 506, 1-2, p. 387-403Research output: Contribution to journal › Journal article › Research
- 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. 1241-1266Research output: Contribution to journal › Journal article › Research
- 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. 4257-4289Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 482-510Research output: Contribution to journal › Journal article › Research
- 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. 445-478Research output: Contribution to journal › Journal article › Research
- 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. 177-184Research output: Contribution to journal › Journal article › Research
- 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. 1605-1628Research output: Contribution to journal › Journal article › Research
- 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. 3225-3241Research output: Contribution to journal › Journal article › Research
- 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. 725-727Research output: Contribution to journal › Journal article › Research
- 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. 555-578Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 2665-2681Research output: Contribution to journal › Journal article › Research › peer-review
- 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/Report › Book › Research › peer-review
- 1996
- Published
New universal spectral correlators
Akemann, G. & Ambjørn, Jan, 21 Nov 1996, In: Journal of Physics A: Mathematical and Theoretical. 29, 22, p. L555-L560Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 713-719Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Renormalisation group flow in an exactly solvable model with fluctuating geometry
Ambjørn, Jan, Bialas, P. & Jurkiewicz, J., 27 Jun 1996, In: Physics Letters B. 379, 1-2, p. 93-98Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Supersymmetric matrix models and branched polymers
Ambjørn, Jan, Makeenko, Y. & Zarembo, K., 30 Dec 1996, In: Nuclear Physics B. 482, 3, p. 660-674Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 99-105Research output: Contribution to journal › Journal article › Research › peer-review
ID: 5868
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Signature change of the metric in CDT quantum gravity?
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A model for emergence of space and time
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String theory as a Lilliputian world
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