Tachyon backgrounds in 2D string theory | Zendy

Sera Cremonini | Zendy

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Tachyon backgrounds in 2D string theory

Author(s) -

Sera Cremonini

Publication year - 2005

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 - 10.1088/1126-6708/2005/10/014

Subject(s) - tachyon , formalism (music) , string theory , physics , integrable system , string field theory , theoretical physics , tachyon condensation , relationship between string theory and quantum field theory , fermi gamma ray space telescope , mathematical physics , classical mechanics , quantum mechanics , quantum , quantum gravity , art , musical , visual arts

We consider the construction of tachyonic backgrounds in two-dimensionalstring theory, focusing on the Sine-Liouville background. This can be studiedin two different ways, one within the context of collective field theory andthe other via the formalism of Toda integrable systems. The two approaches areseemingly different. The latter involves a deformation of the original invertedoscillator potential while the former does not. We perform a comparison byexplicitly constructing the Fermi surface in each case, and demonstrate thatthe two apparently different approaches are in fact equivalent.Comment: 25 pages, no figure

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