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Elementary excitations in one-dimensional electromechanical systems; transport with back-reaction

2003/10/28 by Kang-Hun Ahn, Hangmo Yi · 1 citation
Chemistry · Materials Science · Physics and Astronomy · #Advanced Physical and Chemical Molecular Interactions #Organic and Molecular Conductors Research #Quantum and electron transport phenomena #cond-mat.mes-hall

paper · pdf · doi:10.1209/epl/i2004-10106-9

arxiv created 2003/10/28 · openalex publication_date 2004/08/01 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/30

Abstract

Using an exactly solvable model, we study the low-energy properties of a one-dimensional spinless electron fluid contained in a quantum-mechanically moving wire located in a static magnetic field. The phonon and electric currents are coupled via Lorentz force and the eigenmodes are described by two independent boson fluids. At low energies, the two boson modes are charged while one of them has excitation gap due to back-reaction of the Lorentz force. The theory is illustrated by evaluating optical absorption spectra. Our results are exact and show a non-perturbative regime of electron transport.

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