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利用改进哈密顿量对临界量的高精度估计

高能物理 - 理论 2009-10-31 v1

作者: M. Campostrini , M. Hasenbusch , A. Pelissetto , P. Rossi , E. Vicari

在 arXiv 上查看 ↗ PDF ↗ DOI ↗

摘要

通过高温展开和蒙特卡洛模拟相结合的方法，对Ising和XY普适类的三维自旋模型进行了研究，并应用于改进的哈密顿量。临界指数和临界状态方程被确定到非常高的精度。

关键词

critical exponents equation of state high-temperature expansions Monte Carlo simulations improved Hamiltonians Ising universality class XY universality class

引用

@article{arxiv.hep-th/0012120,
  title  = {High-precision estimates of critical quantities by means of improved Hamiltonians},
  author = {M. Campostrini and M. Hasenbusch and A. Pelissetto and P. Rossi and E. Vicari},
  journal= {arXiv preprint arXiv:hep-th/0012120},
  year   = {2009}
}

备注

7 pages, contribution to the 2nd Conference on the Exact Renormalization Group, Roma, September 2000