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Quantum collective field and correction |
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| Authors: | I Andrić |
| Institution: | Rudjer Bo?kovi? Institute, 41001 Zagreb, P.O.B. 1016, Yugoslavia |
| Abstract: | The collective field method and the large-N limit are applied to go beyond the Hartree-Fock approximation. The correction to the ground-state energy is presented and explicit results are calculated for interacting oscillators and the Bose gas with the δ interaction. |
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