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About the uniqueness of covariant string field theory
Journal article   Open access   Peer reviewed

About the uniqueness of covariant string field theory

Y Meurice
Physics letters. B, Vol.173(3), pp.257-261
1986
DOI: 10.1016/0370-2693(86)90513-7
url
http://cds.cern.ch/record/166577/files/198604355.pdfView
Open Access

Abstract

Symmetry laws are in general not sufficient to specify a correct second-quantized covariant string action. It is shown that an additional requirement is necessary in order to get the correct physical spectrum. From this the existence of a unique “minimal” action is discussed to which any formulation should reduce after integration over Lagrange multipliers.

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