自发对称性破缺中凝聚体形状的调节
Tuning the shape of the condensate in spontaneous symmetry breaking
摘要：
我们调查是什么决定了粒子凝聚体的形状的情况下，它出现的结果自发打破平移对称性。我们考虑一个模型与粒子之间跳跃的网站的一维网格和相互作用，如果他们是在同一个或相邻的节点。我们预测的包络线的冷凝物和缩放其宽度与系统的大小为各种相互作用势，并显示如何调整的形状从三角形峰的矩形或抛物线状的形式。
英文摘要：
We investigate what determines 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 or at neighboring nodes. 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 a parabolic-like form.
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