Kavli Affiliate: Mamoru Matsuo
| First 5 Authors: Hiroyuki Tajima, Daigo Oue, Mamoru Matsuo, ,
| Summary:
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.
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