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- W2013749655 abstract "We study the influence of spin on the quantum interference of interacting electrons in a single-channel disordered quantum wire within the framework of the Luttinger liquid (LL) model. The nature of the electron interference in a spinful LL is particularly nontrivial because the elementary bosonic excitations that carry charge and spin propagate with different velocities. We extend the functional-bosonization approach to treat the fermionic and bosonic degrees of freedom in a disordered spinful LL on an equal footing. We analyze the effect of spin-charge separation at finite temperature both on the spectral properties of single-particle fermionic excitations and on the conductivity of a disordered quantum wire. We demonstrate that the notion of weak localization, related to the interference of multiple-scattered electron waves and their decoherence due to electron-electron scattering, remains applicable to the spin-charge separated system. The relevant dephasing length, governed by the interplay of inelastic electron-electron interactions and spin-charge separation, is found to be parametrically shorter than in a spinless LL. We calculate both the quantum (weak localization) and classical (memory effect) corrections to the conductivity of a disordered spinful LL. The classical correction is shown to dominate in the limit of high temperature." @default.
- W2013749655 created "2016-06-24" @default.
- W2013749655 creator A5015831447 @default.
- W2013749655 creator A5039176864 @default.
- W2013749655 creator A5051689050 @default.
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- W2013749655 date "2008-11-07" @default.
- W2013749655 modified "2023-10-16" @default.
- W2013749655 title "Quantum interference and spin-charge separation in a disordered Luttinger liquid" @default.
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- W2013749655 doi "https://doi.org/10.1103/physrevb.78.205407" @default.
- W2013749655 hasPublicationYear "2008" @default.
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