New principles for string/membrane unification |
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| Institution: | 1. Laboratory of Pharmaceutical Nanomaterials Science, Department of Materials Science and Engineering, Technion-Israel Institute of Technology, 3200003 Haifa, Israel;2. Institut de Recerca Sant Joan de Deu, Barcelona, Spain;3. Department of Pediatric Hematology and Oncology, Hospital Sant Joan de Deu, Barcelona, Spain;1. Plant Protection College, Shenyang Agricultural University, 120 Dongling Road, Shenyang 110161, China;2. Liaoning Entry-Exit Inspection and Quarantine Bureau, Dalian 116001, Liaoning Province, China;1. Physics Department, Lomonosov Moscow State University, Moscow 119991, Russian Federation;2. A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow 119991, Russian Federation;3. National Research South Ural State University, Chelyabinsk 454080, Russian Federation;1. Departamento de Matemática y Física Aplicadas, Universidad Católica de la Santísima Concepción, Alonso de Ribera 2850, Concepción, Chile;2. Facultad de Ciencias, Universidad Arturo Prat, Iquique, Chile;3. DISAT, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy;4. INFN, Sezione di Torino, Via P. Giuria 1, 10125 Torino, Italy;5. Instituto de Matemática (INSTMAT), Universidad de Talca, Casilla 747, Talca 3460000, Chile |
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| Abstract: | The target space theory of the N = (2,1) heterotic string may be interpreted as a theory of gravity coupled to matter in either 1 + 1 or 2 + 1 dimensions. Among the target space theories in 1 + 1 dimensions are the bosonic, type II, and heterotic string world-sheet field theories in a physical gauge. The (2 + 1)-dimensional version describes a consistent quantum theory of supermembranes in 10 + 1 dimensions. The unifying framework for all of these vacua is a theory of (2 + 2)-dimensional self-dual geometries embedded in 10 + 2 dimensions. There are also indications that the N = (2,1) string describes the strong-coupling dynamics of compactifications of critical string theories to two dimensions, and may lead to insights about the fundamental degrees of freedom of the theory. |
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