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Titolo:
Our world as an intersection of walls and a string
Autore:
Sakai, N; Tomizawa, S;
Indirizzi:
Tokyo Inst Technol, Dept Phys, Meguro Ku, Tokyo 1528551, Japan Tokyo Inst Technol Tokyo Japan 1528551 , Meguro Ku, Tokyo 1528551, Japan
Titolo Testata:
NUCLEAR PHYSICS B
fascicolo: 3, volume: 602, anno: 2001,
pagine: 413 - 433
SICI:
0550-3213(20010528)602:3<413:OWAAIO>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
YANG-MILLS THEORIES; DOMAIN-WALLS; SUPERSYMMETRIC QCD; HIERARCHY PROBLEM; BRANE-WORLD; COSMOLOGICAL CONSTANT; EXTRA DIMENSIONS; JUNCTIONS; GRAVITY; COMPACTIFICATIONS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
54
Recensione:
Indirizzi per estratti:
Indirizzo: Sakai, N Tokyo Inst Technol, Dept Phys, Meguro Ku, Oh Okayama, Tokyo 1528551, Japan Tokyo Inst Technol Oh Okayama Tokyo Japan 1528551 1528551, Japan
Citazione:
N. Sakai e S. Tomizawa, "Our world as an intersection of walls and a string", NUCL PHYS B, 602(3), 2001, pp. 413-433

Abstract

A solution of Einstein equations is obtained for our four-dimensional world as an intersection of a wall and a string-like defect in seven-dimensional spacetime with a negative cosmological constant. A matter energy-momentumtenser localized on the wall and on the string is needed. A single massless graviton is found and is localized around the intersection. The leading correction to the gravitational Newton potential from massive spin 2 graviton is found to be almost identical to that of a wall in five dimensions, contrary to the case of a string in six dimensions. The generalization to the intersection of a string and n orthogonally intersecting walls is also obtained and a similar result is found for the gravitational potential. (C) 2001 Elsevier Science B,V. All rights reserved.

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Documento generato il 05/07/20 alle ore 07:09:42