Physical state representations and gauge fixing in string theory | Zendy

Masako Asano | Zendy; Mitsuhiro Kato | Zendy; Makoto Natsuume | Zendy

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Physical state representations and gauge fixing in string theory

Author(s) -

Masako Asano,

Mitsuhiro Kato,

Makoto Natsuume

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 - 10.1088/1126-6708/2005/11/033

Subject(s) - brst quantization , string field theory , gauge fixing , covariant transformation , physics , quantum gauge theory , theoretical physics , gauge symmetry , gauge covariant derivative , quantization (signal processing) , supersymmetric gauge theory , introduction to gauge theory , mathematical physics , gauge theory , string (physics) , mathematics , gauge boson , algorithm

We re-examine physical state representations in the covariant quantization ofbosonic string. We especially consider one parameter family of gauge fixingconditions for the residual gauge symmetry due to null states (or BRST exactstates), and obtain explicit representations of observable Hilbert space whichinclude those of the DDF states. This analysis is aimed at giving a necessaryingredient for the complete gauge fixing procedures of covariant string fieldtheory such as temporal or light-cone gauge.Comment: 16 page

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