Reparametrisation -invariant string field theory |
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| Affiliation: | 1. Department of Mathematics, King''s College, London WC2R 2LS, UK;2. International Centre for Theoretical Physics, I-34100 Trieste, Italy;1. Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’ an, 710062, China;2. School of Chemistry, The University of New South Wales, Sydney, NSW, 2052, Australia |
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| Abstract: | A differential-geometric approach to the closed Bose-string field theory is developed in a framework where the Lorentz and reparametrisation invariances are manifest. The Virasoro anomaly in the quantum theory is cancelled by the minimal introduction of the conformal mode, extending the usual string functionals defined on the space of embeddings. An action is written down, and this approach to strings is compared with the second-quantised formalism for the single particle. |
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