A Monte Carlo Study of the Half-Filled Two-Dimensional Hubbard Model |
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| Authors: | ZHU Xing LIU Chuan |
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| Affiliation: | Department of Physics,Peking University,Beijing 100871,China Department of Physics,Peking University,Beijing 100871,China |
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| Abstract: | Using the path integral representation,bulk thermodynamic properties of the two-dimensional Hubbard model on a square lattice are studied numerically using the hybrid Monte Carlo simulation algorithm.Results for averaged energy,spin-spin correlation functions and Cooper pair correlation functions are presented.All these results suggest that the system exhibits an anti-ferromagnetic correlation at half-filling for a wide range of temperature.`` |
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| Keywords: | strongly correlated electrons bulk thermodynamic quantities hybrid Monte Carlo |
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