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Phase-space networks of the six-vertex model under different boundary conditions

Authors Han, Yilong View this author's profile
Issue Date 2010
Source Physical Review E , v. 81, (4), April 2010
Summary The six-vertex model is mapped to three-dimensional sphere stacks and different boundary conditions corresponding to different containers. The shape of the container provides a qualitative visualization of the boundary effect. Based on the sphere-stacking picture, we map the phase spaces of the six-vertex models to discrete networks. A node in the network represents a state of the system, and an edge between two nodes represents a zero-energy spin flip, which corresponds to adding or removing a sphere. The network analysis shows that the phase spaces of systems with different boundary conditions share some common features. We derived a few formulas for the number and the sizes of the disconnected phase-space subnetworks under the periodic boundary conditions. The sphere stacking provides new challenges in combinatorics and may cast light on some two-dimensional models.
ISSN 1539-3755
Rights © 2010 American Physical Society
Language English
Format Article
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