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反周期边界条件下的Calogero-Sutherland模型:本征值和本征态

Calogero-Sutherland Model with Anti-periodic Boundary Conditions: Eigenvalues and Eigenstates

Arindam Chakraborty, Subhankar Ray, J. Shamanna

摘要:

研究了具有反周期边界条件的U(1)Calogero Sutherland模型。通过相似变换,将哈密顿量简化为一种方便的形式。给出了作用在半序状态空间上的哈密顿量的上三角形式的矩阵表示。因此,对角元素成为能量本征值。利用Young图构造了本征态,并用Jack对称多项式表示。这样得到的本征态是正交归一化的。

英文摘要:

The U(1) Calogero Sutherland Model with anti-periodic boundary condition is studied. The Hamiltonian is reduced to a convenient form by similarity transformation. The matrix representation of the Hamiltonian acting on a partially ordered state space is obtained in an upper triangular form. Consequently the diagonal elements become the energy eigenvalues. The eigenstates are constructed using Young diagram and represented in terms of Jack symmetric polynomials. The eigenstates so obtained are orthonormalized.

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