Nonequilibrium transport at a dissipative quantum phase transition
Publikation: Beitrag in Fachzeitschrift › Forschungsartikel › Beigetragen › Begutachtung
Beitragende
Abstract
We investigate the nonequilibrium transport near a quantum phase transition in a generic and relatively simple model, the dissipative resonant level model, that has many applications for nanosystems. We formulate a rigorous mapping and apply a controlled frequency-dependent renormalization group approach to compute the nonequilibrium current in the presence of a finite bias voltage V and a finite temperature T. For V→0, we find that the conductance has its well-known equilibrium form, while it displays a distinct nonequilibrium profile at finite voltage.
Details
Originalsprache | Englisch |
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Aufsatznummer | 216803 |
Fachzeitschrift | Physical review letters |
Jahrgang | 102 |
Ausgabenummer | 21 |
Publikationsstatus | Veröffentlicht - 26 Mai 2009 |
Peer-Review-Status | Ja |
Extern publiziert | Ja |