The Orbifolds of Permutation-Type as Physical String Systems at Multiples of c=26 II. The Twisted BRST Systems of \hatc=52 Matter

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dc.creatorHalpern, M. B.
dc.date2007-03-23
dc.date2007-09-19
dc.date.accessioned2026-07-07T11:44:11Z
dc.date.available2026-07-07T11:44:11Z
dc.descriptionThis is the second in a series of papers which consider the orbifolds of permutation-type as candidates for new physical string systems at higher central charge. In the first paper, I worked out the extended actions of the twisted sectors of these orbifolds -- which exhibit new permutation-twisted world-sheet gravities and correspondingly extended diffeomorphism groups. In this paper I begin the study of these systems as operator string theories, limiting the discussion for simplicity to the strings with ${\hat c} = 52$ matter (which are those governed by ${\mathbb Z}_2$-twisted permutation gravity). In particular, I present here a construction of the twisted reparametrization ghosts and {\em new twisted BRST systems} of all ${\hat c} = 52$ strings. The twisted BRST systems also imply new {\em extended physical state conditions}, whose analysis for individual ${\hat c} = 52$ strings is deferred to the next paper of the series.
dc.description21 pages, reference added and typos corrected
dc.identifierhttps://arxiv.org/abs/hep-th/0703208
dc.identifierhttp://arxiv.org/abs/hep-th/0703208
dc.identifierInt.J.Mod.Phys.A22:4587-4602,2007
dc.identifierdoi:10.1142/S0217751X07037226
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201514
dc.subjectHigh Energy Physics - Theory
dc.subjectMathematical Physics
dc.titleThe Orbifolds of Permutation-Type as Physical String Systems at Multiples of c=26 II. The Twisted BRST Systems of \hatc=52 Matter
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