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Traversable Lorentzian wormholes in the vacuum low energy effective string theory in Einstein and Jordan frames
Nandi, KK; Zhang, YZ; Nandi, KK , N Bengal Univ, Dept Math, Darjeeling 734430, WB, India.
2004
发表期刊PHYSICAL REVIEW D
ISSN0556-2821
卷号70期号:4页码:-
摘要Three new classes (II-IV) of solutions of the vacuum low energy effective string theory in four dimensions are derived. Wormhole solutions are investigated in those solutions including the class I case both in the Einstein and in the Jordan (string) frame. It turns out that, of the eight classes of solutions investigated (four in the Einstein frame and four in the corresponding string frame), massive Lorentzian traversable wormholes exist in five classes. Nontrivial massless limit exists only in class I Einstein frame solution while none at all exists in the string frame. An investigation of test scalar charge motion in the class I solution in the two frames is carried out by using the Plebanski-Sawicki theorem. A curious consequence is that the motion around the extremal zero (Keplerian) mass configuration leads, as a result of scalar-scalar interaction, to a new hypothetical "mass" that confines test scalar charges in bound orbits, but does not interact with neutral test particles.
部门归属N Bengal Univ, Dept Math, Darjeeling 734430, WB, India; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; CCAST, World Lab, Beijing 100080, Peoples R China
关键词Brans-dicke Theory General-relativity Horizon Problem Ellis Geometry Scalar Fields Black-holes Gravitation Cosmology Spacetime Constants
学科领域Physics
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收录类别SCI
WOS记录号WOS:000223859700104
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被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14035
专题理论物理所1978-2010年知识产出
通讯作者Nandi, KK , N Bengal Univ, Dept Math, Darjeeling 734430, WB, India.
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Nandi, KK,Zhang, YZ,Nandi, KK , N Bengal Univ, Dept Math, Darjeeling 734430, WB, India.. Traversable Lorentzian wormholes in the vacuum low energy effective string theory in Einstein and Jordan frames[J]. PHYSICAL REVIEW D,2004,70(4):-.
APA Nandi, KK,Zhang, YZ,&Nandi, KK , N Bengal Univ, Dept Math, Darjeeling 734430, WB, India..(2004).Traversable Lorentzian wormholes in the vacuum low energy effective string theory in Einstein and Jordan frames.PHYSICAL REVIEW D,70(4),-.
MLA Nandi, KK,et al."Traversable Lorentzian wormholes in the vacuum low energy effective string theory in Einstein and Jordan frames".PHYSICAL REVIEW D 70.4(2004):-.
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