Tunneling-driven quantum phase transitions in mesoscopic commensurate systems
Source abstract
Abstract
We demonstrate here that new phenomena can occur in mesoscopic commensurate systems of strongly correlated electrons: tunneling-driven quantum phase transitions. To exemplify, we present CDW-to-CDW (SDW-to-SDW) transitions between charge (spin) density wave states of different symmetries in quantum rings described by an extended Hubbard model. These transitions can be studied experimentally e.g. by optical absorption.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Quantum and electron transport phenomena · Semiconductor Quantum Structures and Devices · Organic and Molecular Conductors Research
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