| Original Articles |
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Effect of Next-Nearest-Neighbour Hopping on Direct-Current Conductivity Based on an Extended Planar t-J Model |
| DONG Zhan-Hai |
| Department of Physics, Shanghai Jiao Tong University, Shanghai 200240 |
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| Cite this article: |
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DONG Zhan-Hai 2004 Chin. Phys. Lett. 21 2037-2040 |
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Abstract By using the self-consistent Born approximation based on a planar extended t- J model, we investigate the relation between dc conductivity and next-nearest-neighbour hopping integral t'. The t'-dependence of dc conductivity shows a peaked structure.
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| Keywords:
74.20.-z
71.27.+a
74.25.Gz
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Published: 01 October 2004
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| PACS: |
74.20.-z
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(Theories and models of superconducting state)
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71.27.+a
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(Strongly correlated electron systems; heavy fermions)
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74.25.Gz
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(Optical properties)
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