Lattice Effects on Interacting Bosons and their Vortex Dynamics
Lattice Effects on Interacting Bosons and their Vortex Dynamics
Lattice Effects on Interacting Bosons and their Vortex Dynamics
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Properties of XXZ model<br />
superfluid density<br />
(classical) Mean field theory<br />
0 1<br />
charge c<strong>on</strong>jugati<strong>on</strong><br />
1. Half filling has maximal stiffness<br />
2. At half filling the Hall c<strong>on</strong>ductivity vanishes<br />
3. Hall c<strong>on</strong>ductivity is antisymmetric about half filling
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