Physical Degrees of Freedom in 2-D String Field Theories

Details Physical Degrees of Freedom in 2-D String Field Theories Physical Degrees of Freedom in 2-D String Field Theories

1992-07-20

arxiv.org/abs/hep-th/9207063v1

Mod.Phys.Lett.A7:3479-3486,1992

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, TIT/HEP-203, STUPP-92-129

Scientific paper

10.1142/S0217732392002883

States in the absolute (semi-relative) cohomology but not in the relative cohomology are examined through the component decomposition of the string field theory action for the 2-D string. It is found that they are auxiliary fields without kinetic terms, but are important for instance in the master equation for the Ward-Takahashi identities. The ghost structure is analyzed in the Siegel gauge, but it is noted that the absolute (semi-relative) cohomology states are lost.

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