Jan Ambjørn
Professor, emeritus
Theoretical high energy, astroparticle and gravitational physics
Blegdamsvej 17
2100 København Ø
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Baby universes revisited
Ambjørn, Jan, Barkley, J., Budd, T. & Loll, R., 30 Nov 2011, In: Physics Letters B. 706, 1, p. 86-89Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Intrinsic geometry of c = 1 random surfaces
Ambjørn, Jan & Jurkiewicz, J., 1 Apr 1995, In: Nuclear Physics B. Suppl. 42, p. 701-703Research output: Contribution to journal › Journal article › Research
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CAUSAL DYNAMICAL TRIANGULATIONS AND THE SEARCH FOR A THEORY OF QUANTUM GRAVITY
Ambjørn, Jan, Görlich, A., Jurkiewicz, J. & Roll, R., 1 Jul 2013, In: International Journal of Modern Physics D. 22, 9, 19 p., 1330019.Research output: Contribution to journal › Journal article › Research › peer-review
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Dynamically triangulating Lorentzian quantum gravity
Ambjørn, Jan, Jurkiewicz, J. & Loll, R., 3 Sep 2001, In: Nuclear Physics B. 610, 1-2, p. 347-382Research output: Contribution to journal › Journal article › Research › peer-review
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Large N dynamics of dimensionally reduced 4D SU(N) super Yang-Mills theory
Ambjørn, Jan, Anagnostopoulos, K. N. & Nishimura, J., 1 Jul 2000, In: Journal of High Energy Physics (Online). 2000, 7, p. 013Research output: Contribution to journal › Journal article › Research › peer-review
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Connected correlators in random geometries
Ambjørn, Jan, Bialas, P. & Jurkiewicz, J., 1 Apr 2000, In: Nuclear physics B, Proceedings supplements. 83-84, p. 736-738Research output: Contribution to journal › Conference article › Research › peer-review
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The 3D Ising model represented as random surfaces
Ambjørn, Jan, Sedrakyan, A. & Thorleifsson, G., 15 Apr 1993, In: Physics Letters B. 303, 3-4, p. 327-333Research output: Contribution to journal › Journal article › Research
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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
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Planckian birth of a quantum de Sitter universe
Ambjørn, Jan, Goerlich, A., Jurkiewicz, J. & Loll, R., 7 Mar 2008, In: Physical Review Letters. 100, 9, p. 091304Research output: Contribution to journal › Journal article › Research › peer-review
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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. 403-412Research output: Contribution to journal › Journal article › Research › peer-review
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Semi-classical dynamical triangulations
Ambjørn, Jan & Budd, T. G., 15 Nov 2012, In: Physics Letters B. 718, 1, p. 200-204 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Strings, Quantum Gravity and Non-commutative Geometry on the Lattice
Ambjørn, Jan, 28 May 2002, In: Nuclear Physics, Section B, Proceedings Supplements. 106, p. 62-70Research output: Contribution to journal › Conference article › Research › peer-review
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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
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Higher genus correlators for the complex matrix model
Ambjørn, Jan, Kristjansen, Charlotte Fløe & Makeenko, Y., 10 Nov 1992, In: Modern Physics Letters A. 7, 34, p. 3187-3202Research output: Contribution to journal › Journal article › Research › peer-review
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Topology induced first-order phase transitions in lattice quantum gravity
Ambjørn, Jan, Gizbert-Studnicki, J., Gorlich, A. & Nemeth, D., 3 Apr 2022, In: Journal of High Energy Physics (Online). 2022, 04, 20 p., 103.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Electroweak Magnetism- theory and applications
Ambjørn, Jan & Olesen, Poul, 10 Dec 1990, In: International Journal of Modern Physics A. 5, 23, p. 4525-4557Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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
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The relation between Euclidean and Lorentzian 2D quantum gravity
Ambjørn, Jan, Gonçalves Dias Correia, J. L., Kristjansen, Charlotte Fløe & Loll, R., 24 Feb 2000, In: Physics Letters B. 475, 4, p. 24-32Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Scaling in quantum gravity
Ambjørn, Jan & Watabiki, Y., 3 Jul 1995, In: Nuclear Physics B. 445, 1, p. 129-142Research output: Contribution to journal › Journal article › Research
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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. 483-508Research output: Contribution to journal › Journal article › Research › peer-review
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2D quantum gravity coupled to renormalizable matter fields
Ambjørn, Jan & Ghoroku, K., 30 Dec 1994, In: International Journal of Modern Physics A. 9, 32, p. 5689-5709Research output: Contribution to journal › Journal article › Research
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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