Theoretical high energy, astroparticle and gravitational physics

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  1. 1991
  2. Published

    Spiky higher genus strings

    Ambjørn, Jan, Bellini, A. & Johnston, D., 7 Sep 1991, In: Modern Physics Letters A. 6, 27, p. 2467-2474

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

  3. Published

    Flow effects in intermediate-energy nuclear collisions

    Barz, H. W., Bondorf, J. P., Donangelo, R., Elmér, R., Hansen, F. S., Jakobsson, B., Karlsson, L., Nifenecker, H., Schulz, H., Schussler, F., Sneppen, Kim & Söderström, K., 2 Sep 1991, In: Nuclear Physics, Section A. 531, 2, p. 453-460 8 p.

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

  4. Published

    Entropy estimate in three-dimensional simplical quantum gravity

    Ambjørn, Jan & Varsted, J., 29 Aug 1991, In: Physics Letters B. 266, 3-4, p. 285-290

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

  5. Published

    Sphaleron transitions and Baryon asymmetry: A nummerical, real-time analysis

    Ambjørn, Jan, Askgaard, T., Porter, H. & Shaposhnikov, M. E., 15 Apr 1991, In: Nuclear Physics B. 353, 2, p. 346-378

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

  6. Published

    Dynamical triangulated fermionic surfaces

    Ambjørn, Jan & Varsted, S., 28 Mar 1991, In: Physics Letters B. 257, 3-4, p. 305-312

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

  7. 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

  8. 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

  9. 1990
  10. Published

    Electroweak Magnetism- theory and applications

    Ambjørn, Jan & Olesen, Poul, 10 Dec 1990, In: International Journal of Modern Physics A. 5, 23, p. 4525-4557

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

  11. Published

    Multiloop correlators for two-dimensional quantum gravity

    Ambjørn, Jan, Juriekwcz, J. & Makeenko, Y. M., 29 Nov 1990, In: Physics Letters B. 251, 4, p. 517-524

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

  12. Published

    A non-perturbative definition of 2D quantum gravity by the fifth time action

    Ambjørn, Jan, Greensite, J. & Varsted, S., 25 Oct 1990, In: Physics Letters B. 249, 3-4, p. 411-416

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

  13. 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

  14. Published

    External field dependence in SU(2) lattice theory

    Ambjørn, Jan, Mitrjushkin, V. K. & Zadorozhny, A. M., 16 Aug 1990, In: Physics Letters B. 245, 3-4, p. 575-580

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

  15. Published

    Lattice simulations of electroweak sphaleron transitions in real time

    Ambjørn, Jan, Askgaard, T., Porter, H. & Shaposhnikov, M. E., 26 Jul 1990, In: Physics Letters B. 244, 3-4, p. 479-487

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

  16. 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

  17. 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

  18. Published

    THE BOSONIC STRING REPRESENTED AS PHI-3 GRAPHS - NEW MONTE-CARLO SIMULATIONS

    Ambjørn, Jan, Boulatov, D. & Kazakov, V. A., 5 Jul 1990, In: Modern Physics Letters A. 5, 10, p. 771-785

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

  19. Published

    ASYMPTOTIC FREEON - AN EXAMPLE OF ELECTROWEAK MAGNETISM

    Ambjørn, Jan & Olesen, Poul, 1 Feb 1990, In: Acta Physica Polonica B. 21, 2, p. 109-117

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

  20. Published

    Computer simulation of the bosonic string

    Ambjørn, Jan, 1 Feb 1990, In: Acta Physica Polonica B. 21, 2, p. 101-107

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

  21. Published

    A random walk representation of the Dirac propagator

    Ambjørn, Jan, Durhuus, Bergfinnur & Jonsson, T., 29 Jan 1990, In: Nuclear Physics B. 330, 2-3, p. 509-522

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

  22. Published

    A condensate solution of the electroweak theory which interpolates between the broken and the symmetric phase

    Ambjørn, Jan & Olesen, Poul, 22 Jan 1990, In: Nuclear Physics B. 330, 1, p. 193-204

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

  23. 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

  24. 1989
  25. 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

  26. Published

    SU(2) lattice gauge theory with an external field

    Ambjørn, Jan, Mitrjushkin, V. K., Bornyakov, V. G. & Zadorozhny, A. M., 13 Jul 1989, In: Physics Letters B. 225, 1-2, p. 153-158

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

  27. Published

    Kinematical numerical study of the crumpling transition in crystalline surfaces

    Ambjørn, Jan, Durhuus, Bergfinnur & Jonsson, T., 17 Apr 1989, In: Nuclear Physics B. 316, 3, p. 526-558

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

  28. Published

    Errata: J. Ambjørn and P. Olesen, A magnetic condensate solution of the classical electroweak theory, Phys. Lett. B 218 (1989) 67.

    Ambjørn, Jan, 13 Apr 1989, In: Physics Letters B. 220, 4, p. 659 1 p.

    Research output: Contribution to journal › Comment/debate › Research › peer-review

  29. 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

  30. Published

    A renormalization group analysis of lattice models of two-dimensional membranes

    Ambjørn, Jan, Durhuus, Bergfinnur, Frohlich, J. & Jonsson, T., 1 Apr 1989, In: Journal of Statistical Physics. 55, 1-2, p. 29-85

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

  31. Published

    TRIANGULATED RANDOM SURFACES AS A REPRESENTATION OF NON-CRITICAL STRINGS

    Ambjørn, Jan, 1 Apr 1989, In: Acta Physica Polonica B. 20, 4, p. 313-320

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

  32. Published

    Prolonged increase in insulin-stimulated glucose transport in muscle after exercise

    Cartee, G. D., Young, D. A., Sleeper, M. D., Zierath, Juleen R, Wallberg-Henriksson, H. & Holloszy, J. O., Apr 1989, In: The American Journal of Physiology. 256, 4 Pt 1, p. E494-9

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

  33. Published

    On electroweak magnetism

    Ambjørn, Jan & Olesen, Poul, 27 Mar 1989, In: Nuclear Physics B. 315, 3, p. 606-614

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

  34. Published

    A magnetic condensate solution of the classical electroweak theory

    Ambjørn, Jan & Olesen, Poul, 9 Feb 1989, In: Physics Letters B. 218, 1, p. 67-71

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

  35. 1988
  36. 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. 625-635

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

  37. 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

  38. 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. 981-1000

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

  39. Published

    Strings, Fields and Critical Phenomena

    Ambjørn, Jan, 10 Jan 1988, In: Fortschritte der Physik. 36, 8, p. 595-642

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

  40. 1987
  41. Published

    Regularized strings with extrinsic curvature

    Ambjørn, Jan, Durhuus, Bergfinnur, Frohlich, J. & Jonsson, T., 28 Dec 1987, In: Nuclear Physics B. 290, 4, p. 480-506

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

  42. 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. 548-552

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

  43. 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. 49-54

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

  44. 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. 2619-2622

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

  45. Published

    Random Paths with Curvature-Dependent Action

    Ambjørn, Jan, Durhuus, Bergfinnur & Jonsson, T., 15 May 1987, In: EPL. 3, 10, p. 1059-1065

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

  46. Published

    Regularized bosonic strings need extrinsic curvature

    Ambjørn, Jan & Durhuus, Bergfinnur, 9 Apr 1987, In: Physics Letters B. 188, 2, p. 253-257

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

  47. 1986
  48. 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. 375-397

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

  49. 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. 161-184

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

  50. 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. 18-38

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

  51. 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

  52. 1985
  53. 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. 140-146

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

  54. 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. 335-340

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

  55. 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

  56. Published

    Classical versus semiclassical electroweak decay of a techniskyrmion

    Ambjørn, Jan & Rubakov, V. A., 20 Jan 1985, In: Nuclear Physics B. 256, 3, p. 434-448

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

  57. 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. 433-449

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

  58. 1984
  59. 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. 533-542

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

  60. Published

    Three-dimensional lattice gauge theory and strings

    Ambjørn, Jan, Olesen, Poul & Peterson, C., 24 Sep 1984, In: Nuclear Physics B. 244, 1, p. 262-276

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

  61. 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. 189-212

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

  62. 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. 410-414

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

  63. 1983
  64. 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. 93-97

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

  65. Published

    Action principle of Bogoliubov coefficients

    Ambjørn, Jan, Hughes, R. J. & Nielsen, N. K., 1 Oct 1983, In: Annals of Physics. 150, 1, p. 92-113

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

  66. 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

  67. Published

    Properties of the vacuum. I. Mechanical and thermodynamic

    Ambjørn, Jan & Wolfram, S., 15 Aug 1983, In: Annals of Physics. 147, 1, p. 1-32

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

  68. 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. 381-408

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

  69. Published

    Gauge fields, BRS symmetry and the Casimir effect

    Ambjørn, Jan & Hughes, R. J., 23 May 1983, In: Nuclear Physics B. 217, 2, p. 336-348

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

  70. Published

    Canonical quantisation in non-Abelian background fields

    Ambjørn, Jan & Hughes, R. J., 2 Feb 1983, In: Annals of Physics. 145, 2, p. 340-377

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

  71. 1982
  72. 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. 347-368

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

  73. Published

    Particle creation in colour-electric fields

    Ambjørn, Jan & Hughes, R. J., 24 Jun 1982, In: Physics Letters B. 113, 4, p. 305-310

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

  74. 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. 113-131

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

  75. 1981
  76. 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. 221-231

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

  77. 1980
  78. 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. 241-245

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

  79. 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. 37-42

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

  80. 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. 349-364

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

  81. Published

    A color magnetic vortex condensate in QCD

    Ambjørn, Jan & Olesen, Poul, 20 Oct 1980, In: Nuclear Physics B. 170, 2, p. 265-282

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

  82. 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. 60-78

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

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