Baby universes revisited

J. Ambjørn; J. Barkley; T.G. Budd; R. Loll

doi:10.1016/j.physletb.2011.10.062

Baby universes revisited

J. Ambjørn, J. Barkley, T.G. Budd, R. Loll

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Research output: Contribution to journal › Article › Academic › peer-review

Abstract

The behavior of baby universes has been an important ingredient in understanding and quantifying non-critical string theory or, equivalently, models of two-dimensional Euclidean quantum gravity coupled to matter. Within a regularized description based on dynamical triangulations, we amend an earlier conjecture by Jain and Mathur on the scaling behavior of genus-g surfaces containing particular baby universe ‘necks’, and perform a non-trivial numerical check on our improved conjecture

Original language	English
Pages (from-to)	86-89
Number of pages	4
Journal	Physics Letters B
Volume	706
Issue number	1
DOIs	https://doi.org/10.1016/j.physletb.2011.10.062
Publication status	Published - 30 Nov 2011

Keywords

Quantum gravity
Lower-dimensional models
Lattice models

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10.1016/j.physletb.2011.10.062

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title = "Baby universes revisited",

abstract = "The behavior of baby universes has been an important ingredient in understanding and quantifying non-critical string theory or, equivalently, models of two-dimensional Euclidean quantum gravity coupled to matter. Within a regularized description based on dynamical triangulations, we amend an earlier conjecture by Jain and Mathur on the scaling behavior of genus-g surfaces containing particular baby universe {\textquoteleft}necks{\textquoteright}, and perform a non-trivial numerical check on our improved conjecture",

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AU - Ambjørn, J.

AU - Barkley, J.

AU - Budd, T.G.

AU - Loll, R.

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N2 - The behavior of baby universes has been an important ingredient in understanding and quantifying non-critical string theory or, equivalently, models of two-dimensional Euclidean quantum gravity coupled to matter. Within a regularized description based on dynamical triangulations, we amend an earlier conjecture by Jain and Mathur on the scaling behavior of genus-g surfaces containing particular baby universe ‘necks’, and perform a non-trivial numerical check on our improved conjecture

AB - The behavior of baby universes has been an important ingredient in understanding and quantifying non-critical string theory or, equivalently, models of two-dimensional Euclidean quantum gravity coupled to matter. Within a regularized description based on dynamical triangulations, we amend an earlier conjecture by Jain and Mathur on the scaling behavior of genus-g surfaces containing particular baby universe ‘necks’, and perform a non-trivial numerical check on our improved conjecture

KW - Quantum gravity

KW - Lower-dimensional models

KW - Lattice models

U2 - 10.1016/j.physletb.2011.10.062

DO - 10.1016/j.physletb.2011.10.062

M3 - Article

SN - 0370-2693

VL - 706

SP - 86

EP - 89

JO - Physics Letters B

JF - Physics Letters B

IS - 1

ER -

Baby universes revisited

Abstract

Keywords

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