Entropy and the cosmological constant: A spacetime-foam approach

Garattini, Remo

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Entropy and the cosmological constant: A spacetime-foam approach

Garattini, Remo2000

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AbstractAbstract

[en] A simple model of spacetime foam, made by N wormholes in a semiclassical approximation, is taken under examination. The Casimir-like energy of the quantum fluctuation of such a model and its probability of being realized are computed. Implications on the Bekenstein-Hawking entropy and the cosmological constant are considered

Primary Subject

PHYSICS OF ELEMENTARY PARTICLES AND FIELDS (S72)

Source

QG99: 3. meeting on constrained dynamics and quantum gravity; Villasimius (Italy); 13-17 Sep 1999; S0920563200007891; Copyright (c) 2000 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: Belarus

Record Type

Journal Article

Literature Type

Conference

Journal

Nuclear Physics. B, Proceedings Supplements; ISSN 0920-5632;

; CODEN NPBSE7; v. 88(1-3); p. 297-300

Country of publication

Netherlands

Descriptors (DEI)

CASIMIR EFFECT, COMPUTER CALCULATIONS, COSMOLOGICAL CONSTANT, ENTROPY, FLUCTUATIONS, QUANTUM GRAVITY, SEMICLASSICAL APPROXIMATION, SPACE-TIME

Descriptors (DEC)

FIELD THEORIES, PHYSICAL PROPERTIES, QUANTUM FIELD THEORY, THERMODYNAMIC PROPERTIES, VARIATIONS

LanguageLanguage

English

Reference NumberReference Number

34054695

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