Metallic transport of hard core bosons

Abstract

Conductivities and Hall coefficients of two dimensional hard core bosons are calculated using the thermodynamic expansions of Kubo formulas. At temperatures above the superfluid transition, the resistivity rises linearly and is weakly dependent on boson filling. The zeroth order Hall coefficient diverges toward zero and unit fillings, and reverses its sign at half filling. The correction terms, which are calculated up to fourth (Krylov) orders, do not alter this behavior. The high temperature thermal Hall coefficient is reversed relative to the electric Hall coefficient. We discuss relevance of HCB transport to the metallic state of short coherence length superconductors.

New version is a longer review paper

References in corpus (4)

• Single-Atom Resolved Fluorescence Imaging of an Atomic Mott Insulator
• Quantum critical behaviour in the superfluid density of strongly underdoped ultrathin cuprate films
• Scaling of the superfluid density in high-temperature superconductors
• Hall map and breakdown of Fermi liquid theory in the vicinity of a Mott insulator

Cited by in corpus (7)

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• Quantum dynamics in one and two dimensions via recursion method
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• Stochastic Sampling of Operator Growth Dynamics
• Quantum Transport Theory of Strongly Correlated Matter
• Conductivity of lattice bosons at high temperatures
• High-temperature series expansion of the dynamic Matsubara spin correlator