Novel-ground-state properties of the two-dimensionalt−J model at low density |
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| Authors: | Y C Chen T K Lee |
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| Institution: | (1) Department of Physics, National Tsing Hua University, Hsinchu, Taiwan;(2) Center for Stochastic Processes in Science and Engineering, Department of Physics, Virginia Polytechnic Institute, State University, 24061 Blacksburg, VA, USA |
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| Abstract: | The spin, charge and pairing correlation functions for the ground state of two-dimensionalt–J model at low electronic density are calculated by using the power method which projects out the ground state from a variational wave function. The results are surprisingly similar to that of one-dimensionalt–J model. Many special features found in 1D are also observed in 2D. |
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| Keywords: | 71 27 +a 74 20 Mn |
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