Tuning the Shape of the Condensate in Spontaneous Symmetry Breaking

被引：24

作者：

Waclaw, B. ^{[1
]}

Sopik, J. ^{[2
]}

Janke, W. ^{[1
]}

Meyer-Ortmanns, H. ^{[2
]}

机构：

[1] Univ Leipzig, Inst Theoret Phys, D-04009 Leipzig, Germany

[2] Jacobs Univ, Sch Sci & Engn, D-28725 Bremen, Germany

来源：

PHYSICAL REVIEW LETTERS | 2009年 / 103卷 / 08期

关键词：

FORCE FLUCTUATIONS; PHASE-TRANSITIONS; BEAD PACKS; MODEL; AGGREGATION; SYSTEMS;

D O I：

10.1103/PhysRevLett.103.080602

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We investigate the conditions which determine the shape of a particle condensate in situations when it emerges as a result of spontaneous breaking of translational symmetry. We consider a model with particles hopping between sites of a one-dimensional grid and interacting if they are at the same site or at neighboring sites. We predict the envelope of the condensate and the scaling of its width with the system size for various interaction potentials and show how to tune the shape from a delta peak to a rectangular or paraboliclike form.

引用

页数：4

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