Topologically non-trivial gauge configurations and the heterotic string |
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| Affiliation: | 1. Metallurgical and Materials Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India;2. Department of Mechanical Engineering, University of Houston, Houston, TX 77204, United States;3. Department of Applied Science and Technology, Politecnico di Torino, Italy;4. Department of Structures for Engineering and Architecture, University of Napoli “Federico II”, Italy;5. Laboratory of Bio-inspired, Bionic, Nano, Meta Materials and Mechanics, Department of Civil, Environmental and Mechanical Engineering, University of Trento, Italy;6. School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, UK;1. Department of Mathematics, ETH Zürich, Rämistrasse 101, CH-8092 Zürich, Switzerland;2. Department of Mathematics, Korea University, Seoul 02841, South Korea;1. Department of Mathematics, Technion, Israel;2. Department of Computer Science, Technion, Israel;1. Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan;2. Department of Physics & Astronomy, Texas A&M University, College Station, TX 77843-4242, USA |
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| Abstract: | The contribution to the heterotic string of topologically non-trivial gauge configurations is studied. In the σ-model approach, it is proved that this kind of gauge configuration does not contribute to gauge anomalies. The ß = 0 condition is also analyzed. |
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