Hamiltonian formulation of string field theory |
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| Affiliation: | 1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China;2. Department of Materials Science and Engineering, Tel-Aviv University, Ramat Aviv, Tel Aviv 6997801, Israel;3. Department of Chemical and Biological Engineering, University of Sheffield, Mappin Street, Sheffield, S1 3DJ, UK;1. Fachbereich Mathematik und Informatik, Philipps-Universität Marburg, Hans-Meerwein-Strasse, 35032 Marburg, Germany;2. Departamento de Matematica, Universidade Federal da Bahia, Av. Adhemar de Barros s/n, Ondina, 40170-110 Salvador/BA, Brazil;3. Institut für Mathematik, Humboldt-Universität zu Berlin, 10099 Berlin, Germany;1. School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu, 611731, China;2. Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China;3. School of Information Science and Technology, Fudan University, Shanghai, 200433, China;4. Department of Electrical and Computer Engineering, University of Illinois at Urbana–Champaign, Urbana, IL 61801, USA;1. School of Social Sciences, University of New South Wales, Australia;2. Department of Economics, National Taiwan University, Taiwan;3. Institute of Sociology, Academia Sinica, Taiwan;1. Faculdade de Física, Universidade Federal do Pará, 66075-110 Belém, PA, Brazil;2. Instituto de Física, Universidade Federal do Rio de Janeiro, 21941-972 Rio de Janeiro, RJ, Brazil;3. Faculdade de Ciências Naturais, Universidade Federal do Pará, 68800-000 Breves, PA, Brazil;4. Institute for Theoretical Physics, Utrecht University, 3584 CC Utrecht, the Netherlands;5. Departamento de Física Teórica, Universidade do Estado do Rio de Janeiro, 20550-013 Rio de Janeiro, RJ, Brazil |
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| Abstract: | Witten's string field theory is quantized in the hamiltonian formalism. The constraints are solved and the hamiltonian is expressed in terms of only physical degrees of freedom. Thus, no Faddeev-Popov ghosts are introduced. Instead, the action contains terms of arbitrarily high order in the string functionals. Agreement with the standard results is demonstrated by an explicit calculation of the residues of the first few poles of the four-tachyon tree amplitude. |
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