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中国物理学会期刊

一个可能的重费密子超导机制——电子-Slave Boson超导机制

CSTR: 32037.14.aps.37.967

A POSSIBLE HEAVY-FERMION MECHANISM OF SUPERCONDUCTIVITY——ELECTRON-SLAVE BOSON SUPERCONDUCTING MECHANISM

CSTR: 32037.14.aps.37.967
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  • 采用Anderson晶格哈密顿量,在超出平均场的理论框架下,讨论了重费密子超导电性问题。发现在Slave Boson场的长波长极限情况下,同类准粒子之间通过交换Slave Boson而产生的相互作用是吸引的,而只有第一类准粒子——准f电子对重费密子超导电性有贡献。

     

    Using the Anderson lattice, the heavy-fermion superconductivity is discussed. In the long wavelength limit of Slave boson field, the mutual interaction between the same type quasipar-ticles is attractive by one-Slave boson exchange and the heavy-fermion superconductivity is induced by the first type quasiparticles-quasi-f electrons only.

     

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