Iachello提出核类似的铜酸盐超导模型具有su(3)代数结构,其平均场近似下的哈密顿量可以写成su(3)生成元的线性组合.利用代数对角化方法,可得到超出su(3)子代数u(1)×u(2)和so(3)范围的约化哈密顿量的本征值,并分析得到模型中相干态项对能谱的影响.
A cuprate superconductor model based on the analogy with atomic nuclei was presented to have su(3) algebraic structure by Iachello, The mean - field approximation Hamiltonian can be expressed as a linear function of the generators of su(3) algebra. In terms of the algebraic diagonalization method, the eigenvalues of the reduced Hamiltonian beyond the subalgebras u(1)× u(2) and so(3)of su(3)algebra are obtained. And the dfects of the coherent term upon the energy spectrum are investigated.