Jan Ambjørn
Professor, emeritus
Theoretical high energy, astroparticle and gravitational physics
Blegdamsvej 17
2100 København Ø
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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
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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
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On the Quantum Geometry of String Theory
Ambjørn, Jan, Anagnostopoulos, K. N. & Nishimura, J., 28 May 2002, In: Nuclear Physics, Section B, Proceedings Supplements. 106, p. 965-967Research output: Contribution to journal › Conference article › Research › peer-review
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On the Exponential Bound in Four-Dimensional Simplicial Gravity
Ambjørn, Jan & Jurkiewicz, J., 8 Sep 1994, In: Physics Letters B. 335, 3-4, p. 355-358Research output: Contribution to journal › Journal article › Research
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On spontaneous parity breaking in three-dimensional Gauge- Higgs systems
Ambjørn, Jan, Farakos, K. & Shaposhnikov, M. E., 30 Oct 1991, In: Modern Physics Letters A. 6, 33, p. 3099-3112Research output: Contribution to journal › Journal article › Research › peer-review
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On electroweak magnetism
Ambjørn, Jan & Olesen, Poul, 27 Mar 1989, In: Nuclear Physics B. 315, 3, p. 606-614Research output: Contribution to journal › Journal article › Research › peer-review
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Observing 4D baby universes in quantum gravity
Ambjørn, Jan, Jain, S., Jurkiewicz, J. & Kristjansen, Charlotte Fløe, 13 May 1993, In: Physics Letters B. 305, 3, p. 208-213Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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
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Nonperturbative quantum gravity
Ambjørn, Jan, Goerlich, A., zJukiewic, J. & Loll, R., 1 Oct 2012, In: Physics Reports. 519, 4-5, p. 127-210 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Nonperturbative dynamics of noncommutative gauge theory
Ambjørn, Jan, Makeenko, Y. M., Nishimura, J. & Szabo, R. J., 11 May 2000, In: Physics Letters B. 480, 3-4, p. 399-408Research output: Contribution to journal › Journal article › Research › peer-review
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Nonperturbative Lorentzian path integral for gravity
Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 31 Jul 2000, In: Physical Review Letters. 85, 5, p. 924-927Research output: Contribution to journal › Journal article › Research › peer-review
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Nonperturbative 3d Lorentzian quantum gravity
Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 15 Aug 2001, In: Physical Review D (Particles, Fields, Gravitation and Cosmology). 64, 4, p. 044011Research output: Contribution to journal › Journal article › Research › peer-review
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Nonperturbative 2D quantum gravity and Hamiltonians unbounded from below
Ambjørn, Jan & Kristjansen, Charlotte Fløe, 20 Mar 1993, In: International Journal of Modern Physics A. 8, 7, p. 1259-1281Research 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
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Nonpertubative Dynamics of Noncommutative Gauge Theory
Ambjørn, Jan, Nishimura, J., Szabo, R. J. & Makeenko, Y. M., 2000, In: Phys. Lett.. B480, p. 399Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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
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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
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Non-perturbative calculation of correlators in 2D quantum gravity
Ambjørn, Jan & Greensite, J., 17 Jan 1991, In: Physics Letters B. 254, 1-2, p. 66-70Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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
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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
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
New multicritical matrix models and multicritical 2d CDT
Ambjørn, Jan, Glaser, L., Gorlich, A. & Sato, Y., 30 May 2012, In: Physics Letters B. 712, 1-2, p. 109-114Research 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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