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arXiv 0909.5208math-phhep-thmath.DGmath.MPnlin.SI
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三角BC(n)Sutherland模型的量子哈密顿约化推导

Derivations of the trigonometric BC(n) Sutherland model by quantum Hamiltonian reduction

L. Feher, B. G. Pusztai

摘要:

利用群U(N)的Laplace算子的约化,导出了耦合常数为三个任意整数的BC(n)Sutherland哈密顿量.在U(N)\times U(N)的适当对称子群下,将Laplace算子应用于某些等变向量值函数空间,得到了约化.三种不同的减少计划被认为是,最简单的一个是紧凑的实形式的减少的拉普拉斯GL(2n,C)的复杂BC(n)萨瑟兰哈密尔顿之前研究的Oblomkov。

英文摘要:

The BC(n) Sutherland Hamiltonian with coupling constants parametrized by three arbitrary integers is derived by reductions of the Laplace operator of the group U(N). The reductions are obtained by applying the Laplace operator on spaces of certain vector valued functions equivariant under suitable symmetric subgroups of U(N)\times U(N). Three different reduction schemes are considered, the simplest one being the compact real form of the reduction of the Laplacian of GL(2n,C) to the complex BC(n) Sutherland Hamiltonian previously studied by Oblomkov.

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