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arXiv 1507.04253hep-latcond-mat.stat-mech
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具有化学势的O(N)和CP(N-1)模型的对偶格表示

Dual lattice representations for O(N) and CP(N-1) models with a chemical potential

Falk Bruckmann, Christof Gattringer, Thomas Kloiber, Tin Sulejmanpasic

摘要:

我们得到了O(N)和CP(N-1)模型在格上的对偶表示。对于对偶变量,在有限化学势下,配分和也只有实贡献和正贡献。因此,克服了传统公式的复杂作用问题,并使用双变量蒙特卡罗模拟是可能的,在任意的化学势。

英文摘要:

We derive dual representations for O(N) and CP(N-1) models on the lattice. In terms of the dual variables the partition sums have only real and positive contributions also at finite chemical potential. Thus the complex action problem of the conventional formulation is overcome and using the dual variables Monte Carlo simulations are possible at arbitrary chemical potential.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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