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Hairs of discrete symmetries and gravity

Title
Hairs of discrete symmetries and gravity
Authors
Choi, Kang SinKim, Jihn E.Kyae, BumseokNam, Soonkeon
Ewha Authors
최강신
SCOPUS Author ID
최강신scopus
Issue Date
2017
Journal Title
PHYSICS LETTERS B
ISSN
0370-2693JCR Link1873-2445JCR Link
Citation
vol. 769, pp. 430 - 435
Keywords
Discrete symmetryWormholesGravityDiscrete hair
Publisher
ELSEVIER SCIENCE BV
Indexed
SCI; SCIE; SCOPUS WOS
Abstract
Gauge symmetries are known to be respected by gravity because gauge charges carry flux lines, but global charges do not carry flux lines and are not conserved by gravitational interaction. For discrete symmetries, they are spontaneously broken in the Universe, forming domain walls. Since the realization of discrete symmetries in the Universe must involve the vacuum expectation values of Higgs fields, a string-like configuration (hair) at the intersection of domain walls in the Higgs vacua can be realized. Therefore, we argue that discrete charges are also respected by gravity. (C) 2017 The Author(s). Published by Elsevier B.V.
DOI
10.1016/j.physletb.2017.04.008
Appears in Collections:
스크랜튼대학 > 스크랜튼학부 > Journal papers
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