| 泛函积分与玻色费米子模型中的长波激发 |
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| 引用本文： | 李娅,颜骏,苏文杰.泛函积分与玻色费米子模型中的长波激发[J].四川大学学报(自然科学版),2012,49(2):378-382. |
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| 作者姓名： | 李娅 颜骏 苏文杰 |
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| 作者单位： | 四川师范大学物理系,成都,610066 |
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| 基金项目： | 四川省教育厅自然科学基金(11ZA100) |
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| 摘 要： | 本文采用泛函积分方法研究了高温超导中玻色-费米子模型的长波激发.推导了能隙方程和激发谱方程,并且计算了在长波近似下费米场的玻色能谱,得到了简并和非简并激发模.
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| 关 键 词： | 泛函积分 高温超导 玻色-费米子模型 长波激发 |
| 收稿时间： | 2010/11/28 0:00:00 |
Functional integrals and long-wave excitations in the boson-fermion model |
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| LI Y,YAN Jun and SU Wen-Jin.Functional integrals and long-wave excitations in the boson-fermion model[J].Journal of Sichuan University (Natural Science Edition),2012,49(2):378-382. |
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| Authors: | LI Y YAN Jun and SU Wen-Jin |
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| Institution: | Department of Physics, Sichuan Normal University;Department of Physics, Sichuan Normal University;Department of Physics, Sichuan Normal University |
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| Abstract: | In this paper, long wave excitations in the boson fermion model of high temperature superconductivity are investigated by means of functional integration method. The equations of energy gap and excitation spectrum are derived. Moreover, the Bose energy spectrums of Fermi fields are calculated under long wave approximation, the degenerate and non degenerate excitation modes are obtained. |
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| Keywords: | functional integrals high temperature superconductivity boson fermion model long wave excitations |
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