Reference : Asymmetries in the spectral density of an interaction-quenched Luttinger liquid
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Physics and Materials Science
Asymmetries in the spectral density of an interaction-quenched Luttinger liquid
Calzona, Alessio mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > > ; University of Genova > Dep. of Physics]
Gambetta, Filippo Maria [University of Genova > Dep. of Physics]
Carrega, Matteo []
Cavaliere, Fabio []
Sassetti, Maura []
Journal of Physics. Conference Series
Institute of Physics
Yes (verified by ORBilu)
United Kingdom
[en] The spectral density of an interaction-quenched one-dimensional system is investigated. Both direct and inverse quench protocols are considered and it is found that the former leads to stronger effects on the spectral density with respect to the latter. Such asymmetry is directly reflected on transport properties of the system, namely the charge and energy current flowing to the system from a tunnel coupled biased probe. In particular, the injection of particles from the probe to the right-moving channel of the system is considered. The resulting fractionalization phenomena are strongly affected by the quench protocol and display asymmetries in the case of direct and inverse quench. Transport properties therefore emerge as natural probes for the observation of this quench-induced behavior.

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