Multi-Particle Tunneling Transport at Strongly-Correlated Interfaces
arXiv:2110.11701 · doi:10.1103/PhysRevA.106.033310
Abstract
We elucidate the multi-particle transport of pair- and spin-tunnelings in strongly correlated interfaces. Not only usual single-particle tunneling but also interaction-induced multi-particle tunneling processes naturally arise from a conventional microscopic model without any empirical parameters, through the overlap of the many-body wave functions around the interface. We demonstrate how anomalous tunneling currents occur in a strongly interacting system due to the pair-tunneling process which we derived microscopically. Our formulation is useful for junction systems in various disciplines, including atomtronics, spintronics, and nuclear reactions.
9 pages, 2 figures
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- Probing Goldstino excitation through the tunneling transport in a Bose-Fermi mixture with explicitly broken supersymmetry
- Magnonic spin current shot noise in an itinerant Fermi gas
- Schwinger-Keldysh approach to tunneling transport at a hadron-quark interface
- Microscopic theory of Rashba-Edelstein magnetoresistance