Level truncated tachyon potential in various gauges | Zendy

Masako Asano | Zendy; Mitsuhiro Kato | Zendy

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Level truncated tachyon potential in various gauges

Author(s) -

Masako Asano,

Mitsuhiro Kato

Publication year - 2007

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 - 10.1088/1126-6708/2007/01/028

Subject(s) - tachyon , tachyon condensation , gauge (firearms) , physics , feynman diagram , string (physics) , gauge fixing , brst quantization , gauge theory , quantum gauge theory , introduction to gauge theory , theoretical physics , mathematical physics , quantum electrodynamics , gauge boson , string field theory , archaeology , history

New gauge fixing condition with single gauge parameter proposed by theauthors is applied to the level truncated analysis of tachyon condensation incubic open string field theory. It is found that the only one real non-trivialextremum persists to appear in the well-defined region of the gauge parameter,while the other solutions are turned out to be gauge-artifacts. Contrary to thepreviously known pathology in the Feynman-Siegel gauge, tachyon potential isremarkably smooth enough around Landau-type gauge.

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