40 citations · 144 across the 15 of their papers we have counts for
15 papers
Three-body Fermi-liquid corrections for Andreev transport through quantum dots
Akira Oguri, Masashi Hashimoto, Yoshimichi Teratani
We study crossed Andreev reflection occurring in quantum dots connected to one superconducting lead and two normal leads at low temperatures . Specifically, we derive an exact f…
Three-body Fermi liquid corrections for an infinite- SU() Anderson impurity model
Kaiji Motoyama, Yoshimichi Teratani, Kazuhiko Tsutsumi +4
We study the three-body Fermi liquid effects in the SU() Anderson impurity model in the strong interaction limit where the occupation number of the impurity levels vari…
Thermoelectric transport and current noise through a multilevel Anderson impurity: Three-body Fermi-liquid corrections in quantum dots and magnetic alloys
Yoshimichi Teratani, Kazuhiko Tsutsumi, Kaiji Motoyama +2
We present a comprehensive Fermi-liquid description for thermoelectric transport and current noise, applicable to multilevel quantum dots (QD) and magnetic alloys (MA) without elec…
Kondo Screening of Local Moments in a Triangular Triple Quantum Dot Connected to Normal and Superconducting Leads
Masashi Hashimoto, Yoshimichi Teratani, Masaya Shirotani +5
We study the interplay between the Kondo and superconducting (SC) proximity effects, taking place in a triangular triple quantum dot (TTQD) connected to one normal and two SC leads…
Nonlocal Andreev transport through a quantum dot in a magnetic field: Interplay between Kondo, Zeeman, and Cooper-pair correlations
Masashi Hashimoto, Yasuhiro Yamada, Yoichi Tanaka +4
We study the nonlocal magnetotransport through a strongly correlated quantum dot, connected to multiple terminals consisting of two normal and one superconducting (SC) leads. Speci…
Role of bias and tunneling asymmetries in nonlinear Fermi-liquid transport through an SU() quantum dot
Kazuhiko Tsutsumi, Yoshimichi Teratani, Kaiji Motoyama +2
We study how bias and tunneling asymmetries affect nonlinear current through a quantum dot with discrete levels in the Fermi liquid regime, using an exact low-energy expansion…
Kondo Temperature Evaluated from Linear Conductance in Magnetic Fields
Rui Sakano, Tokuro Hata, Kaiji Motoyama +8
We theoretically and experimentally study the universal scaling property of the spin-1/2 Kondo state in the magnetic field dependence of bias-voltage linear conductance through a q…
Current noise and Keldysh vertex function of an Anderson impurity in the Fermi liquid regime
Akira Oguri, Yoshimichi Teratani, Kazuhiko Tsutsumi +1
We present a complete microscopic Fermi-liquid description for next-to-leading order transport through an Anderson impurity under a finite bias voltage . It is applicable to mul…
Nonlinear Fermi-liquid transport through a quantum dot in asymmetric tunnel junctions
Kazuhiko Tsutsumi, Yoshimichi Teratani, Rui Sakano +1
We study the nonlinear conductance through a quantum dot, specifically its dependence on the asymmetries in the tunnel couplings and bias voltages , at low energies. Extending t…
Three-body correlations in nonlinear response of correlated quantum liquid
Tokuro Hata, Yoshimichi Teratani, Tomonori Arakawa +6
Behavior of quantum liquids is a fascinating topic in physics. Even in a strongly correlated case, the linear response of a given system to an external field is described by the fl…
Field-induced SU(4) to SU(2) Kondo crossover in a half-filling nanotube dot: spectral and finite-temperature properties
Yoshimichi Teratani, Rui Sakano, Tokuro Hata +4
We study finite-temperature properties of the Kondo effect in a carbon nanotube (CNT) quantum dot using the Wilson numerical renormalization group (NRG). In the absence of magnetic…
Fermi liquid theory for nonlinear transport through a multilevel Anderson impurity
Yoshimichi Teratani, Rui Sakano, Akira Oguri
We present a microscopic Fermi-liquid view on the low-energy transport through an Anderson impurity with discrete levels, at arbitrary electron filling . It is applied to…
Quantum noise in carbon nanotubes as a probe of correlations in the Kondo regime
Meydi Ferrier, Raphaëlle Delagrange, Julien Basset +9
Most of the time, electronic excitations in mesoscopic conductors are well described, around equilibrium, by non-interacting Landau quasi-particles. This allows a good understandin…
Quantum Fluctuations along Symmetry Crossover in Kondo-correlated Quantum Dot
Meydi Ferrier, Tomonori Arakawa, Tokuro Hata +7
Universal properties of entangled many-body states are controlled by their symmetry and quantum fluctuations. By magnetic-field tuning of the spin-orbital degeneracy in a Kondo-cor…
Field-Enhanced Kondo Correlations in a Half-Filling Nanotube Dot: Evolution of an SU(N) Fermi-Liquid Fixed Point
Yoshimichi Teratani, Rui Sakano, Ryo Fujiwara +5
We theoretically study an emergent SU(2) symmetry which is suggested by recent magneto-transport measurements, carried out near two electrons filling of a carbon nanotube quantum d…