Jan Ambjørn
Professor, emeritus
Theoretical high energy, astroparticle and gravitational physics
Blegdamsvej 17
2100 København Ø
- 2004
- Published
Emergence of a 4D world from causal quantum gravity
Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 24 Sep 2004, In: Physical Review Letters. 93, 13, p. 131301Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Noncommutativity of the zero chemical potential limit and the thermodynamic limit in finite density systems
Ambjørn, Jan, Anagnostopoulos, K. N., Nishimura, J. & Verbaarschot, J. M., 25 Aug 2004, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 70, 3, p. 035010Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Quantum rolling tachyon
Ambjørn, Jan & Janik, R. A., 23 Dec 2004, In: Physics Letters B. 604, 3-4, p. 225-234Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Renormalization of 3d quantum gravity from matrix models
Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 19 Feb 2004, In: Physics Letters B. 581, 3-4, p. 255-262Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The decay of quantum D-branes
Ambjørn, Jan & Janik, R. A., 25 Mar 2004, In: Physics Letters B. 584, 1-2, p. 155-162Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The factorization method for Monte Carlo simulations of systems with a complex action
Ambjørn, Jan, Anagnostopoulos, K. N., Nishimura, J. & Verbaarschot, J. J. M., 29 Apr 2004, In: Nuclear physics B, Proceedings supplements. 129, p. 530-532Research output: Contribution to journal › Conference article › Research › peer-review
- Published
The geometry of ZZ-branes
Ambjørn, Jan, Arianos, S., Gesser, J. A. & Kawamoto, S., 14 Oct 2004, In: Physics Letters B. 599, 3-4, p. 306-312Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Wilson loops in 2D noncommutative euclidean gauge theory 1. Perturbative expansion
Ambjørn, Jan, Dubin, A. & Makeenko, Y., 1 Jul 2004, In: Journal of High Energy Physics (Online). 2004, 7, p. 044Research output: Contribution to journal › Journal article › Research › peer-review
- 2005
- Published
Reconstructing the universe
Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 22 Sep 2005, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 72, 6, p. 064014Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Semiclassical universe from first principles
Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 10 Feb 2005, In: Physics Letters B. 607, 3-4, p. 205-213Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The emergence of noncommutative target space in noncritical string theory
Ambjørn, Jan & Janik, R. A., 1 Aug 2005, In: Journal of High Energy Physics (Online). 2005, 8, p. 057Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The spectral dimension of the universe is scale dependent
Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 21 Oct 2005, In: Physical Review Letters. 95, 17, p. 171301Research output: Contribution to journal › Journal article › Research › peer-review
- 2006
- Published
Simplified tetrahedron equations: Fermionic realization
Ambjørn, Jan, Khachatyan, S. & Sedrakyan, A., 6 Feb 2006, In: Nuclear Physics B. 734, 3, p. 287-303Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The emergence of background geometry from quantum fluctuations
Ambjørn, Jan, Janik, R., Westra, W. & Zohren, S., 28 Sep 2006, In: Physics Letters B. 641, 1, p. 94-98Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The universe from scratch
Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 30 Mar 2006, In: Contemporary Physics. 47, 2, p. 103-117Research output: Contribution to journal › Review › Research › peer-review
- Published
Wrapping interactions and a new source of corrections to the spin-chain/string duality
Ambjørn, Jan, Janik, R. A. & Kristjansen, Charlotte Fløe, 27 Feb 2006, In: Nuclear Physics B. 736, 3, p. 288-301Research output: Contribution to journal › Journal article › Research › peer-review
- 2007
- Published
Putting a cap on causality violations in causal dynamical triangulations
Ambjørn, Jan, Ambjørn, Jan, Loll, R., Westra, W. & Zohren, S., 1 Dec 2007, In: Journal of High Energy Physics (Online). 2007, 12, p. 017Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Wilson loops in 2D noncommutative euclidean gauge theory: 2. 1/T expansion
Ambjørn, Jan, Dubin, A. & Makeenko, Y., 22 Oct 2007, In: Journal of High Energy Physics (Online). 2007, 12, p. 079Research output: Contribution to journal › Journal article › Research › peer-review
- Published
World-sheet dynamics of ZZ-branes
Ambjørn, Jan, Gesser, J. A. & Gesser, J. A., 27 Sep 2007, In: Physics Letters B. 653, 5-6, p. 439-444 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
ZZ branes from a wroldsheet perspective
Ambjørn, Jan & Gesser, J. A., 1 Jun 2007, In: Acta Physica Polonica B. 38, 13, Special Issue, p. 3993-4007 12 p.Research output: Contribution to journal › Conference article › Research › peer-review
- 2008
- Published
A causal alternative for c=0 strings
Ambjørn, Jan, Loll, R., Watabiki, Y., Westra, W. & Zohren, S., 2 Dec 2008, In: Acta Physica Polonica B. 39, 12, p. 3355-3364 10 p.Research output: Contribution to journal › Conference article › Research › peer-review
- 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
- Published
A new continuum limit of matrix models
Ambjørn, Jan, Loll, R., Watabiki, Y., Westra, W. & Zohren, S., 18 Dec 2008, In: Physics Letters B. 670, 2, p. 224-230 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A string field theory based on causal dynamical triangulations
Ambjørn, Jan, Loll, R., Watabiki, Y., Westra, W. & Zohren, S., 1 May 2008, In: Journal of High Energy Physics (Online). 2008, 5, p. 032Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Nonpertubative quantum de Sitter universe
Ambjørn, Jan, Görlich, A., Jurkiewicz, J. & Loll, R., 26 Sep 2008, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 78, 6, p. 063544Research 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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