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journal article·2022-09-14Open access

Nonequilibrium spintronic transport through Kondo impurities

Anand Manaparambil, Andreas Weichselbaum, Jan von Delft, Ireneusz Weymann

Physical Review B· Volume 106· Issue 12
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Source abstract

Abstract

The accurate quantitative description of the nonequilibrium transport in interacting nanoscale junctions presents a formidable challenge. Tensor network methods have entered the arena as a highly competitive, versatile, and well-controlled approach. Here, in particular, the authors use a recently developed hybrid renormalization group thermofield quench approach. With this, they obtain reliable predictions for spintronic transport through a Kondo-correlated quantum dot coupled to magnetic leads in far-from-equilibrium conditions. The work focuses on the effects of the induced exchange field. As a key result, they demonstrate that an additional external magnetic field can be utilized to achieve a full Kondo revival in an out-of-equilibrium setting.
Source: openalex_inverted_index · Quality: baseline

Research context

Nanomaterials

OpenAlex topics: Quantum and electron transport phenomena · Physics of Superconductivity and Magnetism · Topological Materials and Phenomena

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Spintronics and Quantum Information, Faculty of Physics, Adam Mickiewicz University, Uniwersytetu Poznańskiego 2, 61-614 Poznań, Poland

Department of Condensed Matter Physics and Materials Science, Brookhaven National Laboratory, Upton, New York 11973-5000, USA

Arnold Sommerfeld Center for Theoretical Physics, Center for NanoScience, and Munich Center for Quantum Science and Technology, Ludwig-Maximilians-Universität München, 80333 Munich, Germany

Funding

Narodowe Centrum Nauki · U.S. Department of Energy · Office of Science · Division of Materials Sciences and Engineering · Basic Energy Sciences · Initiative of Excellence - Research University

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