A two-dimensional superfield formulation of the heterotic string |
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| Affiliation: | 1. Department of Physics, Kyoto University, Kyoto 606-8502, Japan;2. Department of Physics, Osaka University, Toyonaka 560-0043, Japan;3. Department of Physics, Hokkaido University, Sapporo 060-0810, Japan;4. Department of Physics, Kobe University, Kobe 657-8501, Japan;5. Regional Centre for Accelerator-based Particle Physics, Harish-Chandra Research Institute, Allahabad 211 019, India;6. School of Physics, Korea Institute for Advanced Study, Seoul 130 722, Republic of Korea;1. Instituto de Física Teórica UAM/CSIC, C/Nicolás Cabrera, 13–15, C.U. Cantoblanco, E-28049 Madrid, Spain;2. Dipartimento di Fisica, Università di Milano, and INFN, Sezione di Milano, Via Celoria 16, I-20133 Milano, Italy;1. Centro de Ciências Naturais e Humanas, Universidade Federal do ABC – UFABC, Rua Santa Adélia, 166, 09210-170, Santo André, SP, Brazil;2. Faculdade de Física, Universidade Federal do Pará, 66075-110, Belém, Pará, Brazil;1. Departamento de Matemática y Física Aplicadas, Universidad Católica de la Santísima Concepción, Alonso de Ribera 2850, Concepción, Chile;2. Institute for Theoretical Physics, University of Wrocław, pl. M. Borna 9, 50-204 Wrocław, Poland;3. Departamento de Ciencias, Facultad de Artes Liberales, Universidad Adolfo Ibáñez, Viña del Mar, Chile |
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| Abstract: | The density superfield and Einstein action for two-dimensional (2,0) supergravity are derived. The irreducible superfields of the heterotic string are discussed, and they are coupled to (2,0) supergravity. The locally (2,0) supersymmetric action for the heterotic string is presented in both superfields and component fields. For flat world sheet geometry, the globally (2,0) supersymmetric non-linear sigma model, and the associated Virasoro constraints, are derived. This formalism is applicable to (p,0) supersymmetry for any positive integer p. |
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