Dresden 2014 – wissenschaftliches Programm

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HL: Fachverband Halbleiterphysik

HL 115: Symposium SYOM: One-dimensional metals - Reality or fiction?

HL 115.3: Hauptvortrag

Freitag, 4. April 2014, 11:10–11:50, HSZ 02

Spectral and transport properties of one-dimensional correlated electrons — •Volker Meden — Institut für Theorie der Statistischen Physik, RWTH Aachen University

Two-particle interactions strongly alter the low-energy physics of electrons confined to one spatial dimension. Excitations cannot be described by fermionic quasi-particles. Metallic systems of this type fall into the Luttinger liquid universality class and are characterized by power-law decay of correlation functions. I will give an overview over the one-particle spectral and transport properties of such systems including a discussion of the model dependent low-energy scale beyond which Luttinger liquid power laws are observable. Leaving the framework of equilibrium physics I will report on recent progress in understanding the non-equilibrium steady state as well as relaxation dynamics of isolated and contacted quantum wires.

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