High temperature limit of the order parameter correlation functions in the quantum Ising model |
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| Institution: | 1. Department of Physics and Texas Center for Superconductivity, University of Houston, Houston, TX, 77204, USA;2. Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA;1. Institute of Physics and Beijing National Laboratory for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100190, China;2. Department of Physics and Astronomy, University of California, Irvine, CA 92697, USA;3. Los Alamos National Laboratory, Los Alamos, NM 87545, USA;4. Department of Physics, Renmin University of China, Beijing 100872, China;5. Shanghai Synchrotron Radiation Facilities, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201204, China;6. Department of Physics & Astronomy, Rice University, Houston, TX 77005, USA;7. Collaborative Innovation Center of Quantum Matter, Beijing 100190, China;8. University of Chinese Academy of Sciences, Beijing 100190, China;9. Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China;10. Collaborative Innovation Center of Advanced Microstructures, Nanjing 210093, China |
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| Abstract: | In this paper we use the exact results for the anisotropic two-dimensional Ising model obtained by Bugrii and Lisovyy A.I. Bugrii, O.O. Lisovyy, Theor. Math. Phys. 140 (2004) 987] to derive the expressions for dynamical correlation functions for the quantum Ising model in one dimension at high temperatures. |
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