Jan Ambjørn
Professor, emeritus
Theoretical high energy, astroparticle and gravitational physics
Blegdamsvej 17
2100 København Ø
- 1988
- Published
Anti-screening of large magnetic fields by vector bosons
Ambjørn, Jan & Olesen, Poul, 1 Dec 1988, In: Physics Letters B. 214, 4, p. 565-589Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Statistical mechanics of paths with curvature-dependent action
Ambjørn, Jan, Durhuus, Bergfinnur & Jonsson, T., 21 Feb 1988, In: Journal of Physics A: Mathematical and Theoretical. 21, 4, p. 981-1000Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Strings, Fields and Critical Phenomena
Ambjørn, Jan, 10 Jan 1988, In: Fortschritte der Physik. 36, 8, p. 595-642Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Superconducting cosmic strings and W condensation
Ambjørn, Jan, Nielsen, N. K. & Olesen, Poul, 12 Dec 1988, In: Nuclear Physics B. 310, 3-4, p. 625-635Research output: Contribution to journal › Journal article › Research › peer-review
- 1987
- Published
Baryon asymmetry of the universe. A Monte Carlo study on the lattice
Ambjørn, Jan, Laursen, M. & Shaposhnkov, M. E., 22 Oct 1987, In: Physics Letters B. 197, 1-2, p. 49-54Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Monte Carlo simulations of regularized bosonic strings
Ambjørn, Jan, De Forcrand, P., Koukiou, F. & Petritis, D., 5 Nov 1987, In: Physics Letters B. 197, 4, p. 548-552Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Random Paths with Curvature-Dependent Action
Ambjørn, Jan, Durhuus, Bergfinnur & Jonsson, T., 15 May 1987, In: EPL. 3, 10, p. 1059-1065Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Regularized bosonic strings need extrinsic curvature
Ambjørn, Jan & Durhuus, Bergfinnur, 9 Apr 1987, In: Physics Letters B. 188, 2, p. 253-257Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Regularized strings with extrinsic curvature
Ambjørn, Jan, Durhuus, Bergfinnur, Frohlich, J. & Jonsson, T., 28 Dec 1987, In: Nuclear Physics B. 290, 4, p. 480-506Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Scaling of the string tension in a new class of regularized string theories
Ambjørn, Jan, Durhuus, Bergfinnur & Jonsson, T., 22 Jun 1987, In: Physical Review Letters. 58, 25, p. 2619-2622Research output: Contribution to journal › Journal article › Research › peer-review
- 1986
- Published
The SU(2) chiral model in an external field: A complex stochastic process on a non-abelian group
Ambjørn, Jan & Yang, S. K., 29 Sep 1986, In: Nuclear Physics B. 275, 1, p. 18-38Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 457-482Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The appearance of critical dimensions in regulated string theories (II)
Ambjørn, Jan, Durhuus, Bergfinnur & Frohlich, J., 27 Oct 1986, In: Nuclear Physics B. 275, 2, p. 161-184Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The complex langevin equation and Monte Carlo simulations of actions with static charges
Ambjørn, Jan, Flensburg, M. & Peterson, C., 24 Nov 1986, In: Nuclear Physics B. 275, 3, p. 375-397Research output: Contribution to journal › Journal article › Research › peer-review
- 1985
- Published
Classical versus semiclassical electroweak decay of a techniskyrmion
Ambjørn, Jan & Rubakov, V. A., 20 Jan 1985, In: Nuclear Physics B. 256, 3, p. 434-448Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Diseases of triangulated random surface models, and possible cures
Ambjørn, Jan, Durhuus, Bergfinnur & Frohlich, J., 16 Jan 1985, In: Nuclear Physics B. 257, 3, p. 433-449Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Langevin simulations of configurations with static charges
Ambjørn, Jan, Flensburg, M. & Peterson, C., 26 Sep 1985, In: Physics Letters B. 159, 4-6, p. 335-340Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Numerical problems in applying the langevin equation to complex effective actions
Ambjørn, Jan & Yang, S., 19 Dec 1985, In: Physics Letters B. 165, 1-3, p. 140-146Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 1114-1118Research output: Contribution to journal › Journal article › Research › peer-review
- 1984
- Published
Observation of a string in three-dimensional SU(2) lattice gauge theory
Ambjørn, Jan, Olesen, Poul & Peterson, C., 2 Aug 1984, In: Physics Letters B. 142, 5-6, p. 410-414Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Stochastic confinement and dimensional reduction: (I). Four-dimensional SU(2) lattice gauge theory
Ambjørn, Jan, Olesen, Poul & Peterson, C., 10 Sep 1984, In: Nuclear Physics B. 240, 2, p. 189-212Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Stochastic confinement and dimensional reduction (II). Three-dimensional SU(2) lattice gauge theory
Ambjørn, Jan, Olesen, Poul & Peterson, C., 20 Nov 1984, In: Nuclear Physics B. 240, 4, p. 533-542Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Three-dimensional lattice gauge theory and strings
Ambjørn, Jan, Olesen, Poul & Peterson, C., 24 Sep 1984, In: Nuclear Physics B. 244, 1, p. 262-276Research output: Contribution to journal › Journal article › Research › peer-review
- 1983
- Published
Action principle of Bogoliubov coefficients
Ambjørn, Jan, Hughes, R. J. & Nielsen, N. K., 1 Oct 1983, In: Annals of Physics. 150, 1, p. 92-113Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Canonical quantisation in non-Abelian background fields
Ambjørn, Jan & Hughes, R. J., 2 Feb 1983, In: Annals of Physics. 145, 2, p. 340-377Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Gauge fields, BRS symmetry and the Casimir effect
Ambjørn, Jan & Hughes, R. J., 23 May 1983, In: Nuclear Physics B. 217, 2, p. 336-348Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Properties of the vacuum. 2. Electrodynamic
Ambjørn, Jan & Wolfram, S., 15 Aug 1983, In: Annals of Physics. 147, 1, p. 33-56Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Properties of the vacuum. I. Mechanical and thermodynamic
Ambjørn, Jan & Wolfram, S., 15 Aug 1983, In: Annals of Physics. 147, 1, p. 1-32Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Reduced lattice gauge theory in two dimensions
Ambjørn, Jan, Durhuus, Bergfinnur & Olesen, Poul, 13 Oct 1983, In: Physics Letters B. 130, 1-2, p. 93-97Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The axial anomaly and the lattice Dirac sea
Ambjørn, Jan, Greensite, J. & Peterson, C., 11 Jul 1983, In: Nuclear Physics B. 221, 2, p. 381-408Research output: Contribution to journal › Journal article › Research › peer-review
- 1982
- Published
Källen's theorem and the unphysical nature of abelian external fields in Yang-Mills theory
Ambjørn, Jan & Hughes, R. J., 29 Mar 1982, In: Nuclear Physics B. 197, 1, p. 113-131Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Particle creation in colour-electric fields
Ambjørn, Jan & Hughes, R. J., 24 Jun 1982, In: Physics Letters B. 113, 4, p. 305-310Research output: Contribution to journal › Journal article › Research › peer-review
- Published
String tensions for lattice gauge theories in 2 + 1 dimensions
Ambjørn, Jan, Hey, A. & Otto, S., 25 Oct 1982, In: Nuclear Physics B. 210, 3, p. 347-368Research output: Contribution to journal › Journal article › Research › peer-review
- 1981
- Published
RESOLVING THE ON-SHELL AND OFF-SHELL AMBIGUITY OF PERTURBATIVE QCD USING SUM-RULES
Ambjørn, Jan & Sakain, N., 5 Jan 1981, In: Zeitschrift fur Physik C-Particles and Fields. 8, 3, p. 221-231Research output: Contribution to journal › Journal article › Research › peer-review
- 1980
- Published
A color magnetic vortex condensate in QCD
Ambjørn, Jan & Olesen, Poul, 20 Oct 1980, In: Nuclear Physics B. 170, 2, p. 265-282Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Kinematics of periodic structures in SU(N) gauge theories
Ambjørn, Jan, Felsager, B. & Olesen, Poul, 24 Nov 1980, In: Nuclear Physics B. 175, 2, p. 349-364Research output: Contribution to journal › Journal article › Research › peer-review
- Published
On the formation of a random color magnetic quantum liquid in QCD
Ambjørn, Jan & Olesen, Poul, 11 Aug 1980, In: Nuclear Physics B. 170, 1, p. 60-78Research output: Contribution to journal › Journal article › Research › peer-review
- Published
T Hooft's non-Abelian magnetic flux has zero classical energy
Ambjørn, Jan & Flyvbjerg, H., 1 Dec 1980, In: Physics Letters B. 97, 2, p. 241-245Research output: Contribution to journal › Journal article › Research › peer-review
- Published
THE EFFECTIVE POTENTIAL AND THE BOUND-STATES FOR A CLASS OF 2 DIMENSIONAL GAUGE-THEORIES
Ambjørn, Jan, 1 Dec 1980, In: Zeitschrift fur Physik C-Particles and Fields. 5, 1, p. 37-42Research output: Contribution to journal › Journal article › Research › peer-review
ID: 5868
Most downloads
-
274
downloads
Signature change of the metric in CDT quantum gravity?
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
250
downloads
A model for emergence of space and time
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
189
downloads
String theory as a Lilliputian world
Research output: Contribution to journal › Journal article › Research › peer-review
Published