474 citations · 2.6k across the 51 of their papers we have counts for
10 papers · 1 filter
Josephson diode effect via a non-equilibrium Rashba system
Michiyasu Mori, Wataru Koshibae, Sadamichi Maekawa
A non-equilibrium state in a Rashba system under an in-plane magnetic field is identified as the origin of the Josephson diode effect. This state is induced by a current bias--nece…
Composite excitation of Josephson phase and spin waves in Josephson junctions with ferromagnetic insulator
S. Hikino, M. Mori, S. Takahashi +1
Coupling of Josephson-phase and spin-waves is theoretically studied in a superconductor/ferromagnetic insulator/superconductor (S/FI/S) junction. Electromagnetic (EM) field inside…
Nuclear Quadrupole Resonance Frequency in Multi-Layered Cuprates
M. Mori, N. Afzal Shooshtary, T. Tohyama +1
The 63Cu nuclear quadrupole resonance (NQR) frequency, nu_q, in the multi-layered cuprates is calculated in the cluster model by the exact diagonalization method. The charge imbala…
Quantum interference due to crossed Andreev reflection in a d-wave superconductor with two nano-contacts
S. Takahashi, T. Yamashita, S. Maekawa
The crossed Andreev reflection in a hybrid nanostructure consisting of a d-wave superconductor and two quantum wires is theoretically studied. When the (110) oriented surface of th…
Controllable pi junction with magnetic nanostructures
T. Yamashita, S. Takahashi, S. Maekawa
We propose a novel Josephson device in which 0 and states are controlled by an electrical current. In this system, the state appears in a superconductor/normal metal/superc…
Effects of antiferromagnetic planes on the superconducting properties of multilayered high-Tc cuprates
M. Mori, S. Maekawa
We propose a mechanism for high critical temperature (T_c) in the coexistent phase of superconducting- (SC) and antiferromagnetic (AF) CuO_2 planes in multilayered cuprates. The Jo…
Bi-layer splitting in overdoped high cuprates
S. E. Barnes, S. Maekawa
Recent angle-resolved photoemission data for overdoped Bi2212 are explained. Of the peak-dip-hump structure, the peak corresponds the component of a hole condensate whi…
Spin transport and relaxation in superconductors
T. Yamashita, S. Takahashi, H. Imamura +1
We study theoretically the effect of spin relaxation on the spin transport in a ferromagnet/superconductor(FM/SC) tunnel junction. When spin-polarized electrons are injected into t…
Joule heating generated by spin current through Josephson junctions
S. Takahashi, T. Yamashita, T. Koyama +2
We theoretically study the spin-polarized current flowing through a Josephson junction (JJ) in a spin injection device. When the spin-polarized current is injected from a ferromagn…
Spin injection and magnetoresistance in ferromagnet/superconductor/ferromagnet tunnel junctions
Saburo Takahashi, Hiroshi Imamura, Sasamichi Maekawa
We theoretically study the spin-dependent transport in a ferromagnet/superconductor/ferro-magnet double barrier tunnel junction. The spin-polarized tunneling currents give rise to…