期刊
PHYSICAL REVIEW B
卷 78, 期 13, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.78.132512
关键词
-
资金
- Natural Science and Engineering Research Council of Canada [G121210893]
- Alberta Informatics Circle of Research Excellence
- Swiss National Science Foundation
The ground state of hard-core bosons on the square lattice with nearest and next-nearest-neighbor repulsion is studied by quantum Monte Carlo simulations. A supersolid phase with vacancy condensation and star diagonal ordering is found for filling rho < 0.25. At filling rho>0.25, a supersolid phase exists between the star and the stripe crystal at rho=0.5. No supersolid phase occurs for rho>0.25 if the ground state at half-filling is either a checkerboard crystal or a superfluid. No commensurate supersolid phase is observed.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据