O(N)模型
在统计力学中,O(n)模型是易辛模型的推广,它描述了晶格的自旋。[1]
哈密顿量是
场论
举例
玻茨模型也描述其他易辛模型的推广。
相关条目
阅读
- Peskin, Schroeder. Intro QFT.
- David Tong. Statistical Field Theory.
- https://katzgraber.org/teaching/SS07/files/kay.pdf(页面存档备份,存于互联网档案馆)
参考文献
- ^ Stanley, H. E. Dependence of Critical Properties upon Dimensionality of Spins. Phys. Rev. Lett. 1968, 20: 589–592. Bibcode:1968PhRvL..20..589S. doi:10.1103/PhysRevLett.20.589.
- ^ de Gennes, P. G. Exponents for the excluded volume problem as derived by the Wilson method. Phys. Lett. A. 1972, 38: 339–340. Bibcode:1972PhLA...38..339D. doi:10.1016/0375-9601(72)90149-1.
- ^ Gaspari, George; Rudnick, Joseph. n-vector model in the limit n→0 and the statistics of linear polymer systems: A Ginzburg–Landau theory. Phys. Rev. B. 1986, 33: 3295–3305. Bibcode:1986PhRvB..33.3295G. doi:10.1103/PhysRevB.33.3295.
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