Orbifolds as Melvin geometry | Zendy

Tadashi Takayanagi | Zendy; Tadaoki Uesugi | Zendy

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Orbifolds as Melvin geometry

Author(s) -

Tadashi Takayanagi,

Tadaoki Uesugi

Publication year - 2001

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2001/12/004

Subject(s) - tachyon , type (biology) , string (physics) , string theory , duality (order theory) , physics , theoretical physics , orbifold , abelian group , t duality , mathematical physics , pure mathematics , mathematics , ecology , biology

In this paper we explicitly show that the various noncompact abelianorbifolds are realized as special limits of parameters in type II (NSNS) Melvinbackground and its higher dimensional generalizations. As a result thesupersymmetric ALE spaces (A-type C^2/Z_N) and nonsupersymmetric orbifolds intype II and type 0 theory are all connected with each other by the exactlymarginal deformation. Our results provide new examples of the duality betweentype II and type 0 string theory. We also discuss the decay of unstablebackgrounds in this model which include closed string tachyons.Comment: Latex, 20 pages, 2 figures, references added, minor correction

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