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BRST cohomology ring in 2D gravity coupled to minimal models | | H. Kanno
; M.H. Sarmadi
; | | Date: |
23 Jul 1992 | | Journal: | Int. J. Mod. Phys. A9 (1994) 39 | | Subject: | hep-th | | Abstract: | The ring structure of Lian-Zuckerman states for $(q,p)$ minimal models coupled to gravity is shown to be ${cal R}={cal R}_0otimes {f C} [w,w^{-1}]$ where ${cal R}_0$ is the ring of ghost number zero operators generated by two elements and $w$ is an operator of ghost number $-1$. Some examples are discussed in detail. For these models the currents are also discussed and their algebra is shown to contain the Virasoro algebra. | | Source: | arXiv, hep-th/9207078 | | Services: | Forum | Review | PDF | Favorites | |
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