Magnetic polarons in two-component hard-core bosons

被引：1

作者：

Yanay, Yariv ^{[1
]}

Mueller, Erich J. ^{[1
]}

Elser, Veit ^{[1
]}

机构：

[1] Cornell Univ, Lab Atom & Solid State Phys, Ithaca, NY 14850 USA

来源：

PHYSICAL REVIEW A | 2013年 / 87卷 / 04期

关键词：

SINGLE ATOMS;

D O I：

10.1103/PhysRevA.87.043622

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We use a high-temperature expansion to explore spin correlations around a single hole in a two-dimensional lattice filled with a hard-core two-component bose gas. We find that the spins around the hole develop ferromagnetic order and quantify the degree of polarization at temperatures of the order of the hopping energy, finding a measurably nonzero polarization. We also discuss the effect of fixing the overall magnetization of the system for finite-sized systems. DOI: 10.1103/PhysRevA.87.043622

引用

页数：4