Fermi surfaces and anomalous transport in quasicrystals
S. Roche, T. Fujiwara
TL;DR
This paper investigates the electronic properties of quasicrystals by calculating their Fermi surfaces and proposing a criterion for anomalous metallic transport, supported by theoretical scaling analysis.
Contribution
It introduces a new criterion for anomalous transport in quasicrystals and connects ab-initio Fermi surface calculations with experimental observations.
Findings
Fermi surfaces of quasicrystalline approximants are calculated using ab-initio methods.
A criterion for anomalous metallic transport is proposed.
Power-law temperature dependence of conductivity is derived from scaling analysis.
Abstract
Fermi surfaces of several quasicrystalline approximants are calculated by means of ab-initio methods which enable direct comparison with dHvA experiments. A criterion for anomalous metallic transport is proposed and power-law temperature dependence of electronic conductivity is deduced from scaling analysis of the Kubo formula.
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