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The Josephson effect between triplet and singlet superconductors is studied. Josephson current can flow between triplet and singlet superconductors due to the spin-orbit coupling in the spin-triplet superconductor but it is finite only when…

Superconductivity · Physics 2009-10-31 Yasumasa Hasegawa

We study tunneling currents in a model consisting of two non-unitary ferromagnetic spin-triplet superconductors separated by a thin insulating layer. We find a novel interplay between ferromagnetism and superconductivity, manifested in the…

Superconductivity · Physics 2007-05-23 M. S. Gronsleth , J. Linder , J. -M. Borven , A. Sudbo

We study tunneling currents in a model consisting of two non-unitary ferromagnetic spin-triplet superconductors separated by a thin insulating layer. We find a novel interplay between ferromagnetism and superconductivity, manifested in the…

Superconductivity · Physics 2007-05-23 M. Gronsleth , J. Linder , J. -M-Borven , A. Sudbo

We propose a controlled Josephson spin current across the junction of two non-centrosymmetric superconductors like CePt_3Si. The Josephson spin current arises due to direction dependent tunneling matrix element and different momentum…

Superconductivity · Physics 2009-11-11 Sudhansu S. Mandal , Soumya P. Mukherjee

We study the dynamics of a single spin embedded in the tunneling barrier between two superconductors. As a consequence of pair correlations in the superconducting state, the spin displays rich and unusual dynamics. To properly describe the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 A. Shnirman , Z. Nussinov , Jian-Xin Zhu , A. V. Balatsky , Yu. Makhlin

We study the Josephson current in two types of lateral junctions with spin-orbit coupling and an exchange field. The first system (type 1 junction) consists of superconductors with heavy metal interlayers linked by a ferromagnetic bridge,…

Superconductivity · Physics 2020-01-01 B. Bujnowski , R. Biele , F. S. Bergeret

We study the Josephson effect in a triplet superconductor--ferromagnet--singlet superconductor junction. We show that the interaction of tunneling Cooper pairs with the interface magnetization can permit a Josephson current at the lowest…

Superconductivity · Physics 2013-08-22 P. M. R. Brydon , Wei Chen , Yasuhiro Asano , Dirk Manske

Josephson current of spin-entangled electrons through the two branches of a SQUID-like structure with two quantum dots exhibits a magnetic-flux response different from the conventional Josephson current. Due to their interference, the…

Superconductivity · Physics 2011-11-15 Zhi Wang , Xiao Hu

The spin superconductor state is the spin-polarized triplet exciton condensate, which can be viewed as a counterpart of the charge superconductor state. As an analogy of the charge Josephson effect, the spin Josephson effect can be…

Mesoscale and Nanoscale Physics · Physics 2024-03-01 W. Zeng , R. Shen

We study the appearance of a Josephson spin current in a model triplet superconductor junction with a magnetically-active tunnelling barrier. We find three distinct mechanisms for producing a spin current, and we provide a detailed…

Superconductivity · Physics 2009-01-26 P. M. R. Brydon , Dirk Manske , M. Sigrist

We present a theoretical study of a Josephson junction consisting of two s-wave superconducting leads coupled over a classical spin. When an external magnetic field is applied, the classical spin will precess with the Larmor frequency. This…

Superconductivity · Physics 2015-05-19 C. Holmqvist , S. Teber , M. Fogelström

The Josephson current between an s-wave and a spin-triplet superconductor Sr$_2$RuO$_4$ (SRO) is studied theoretically. In spin-singlet / spin-triplet superconductor junctions, there is no Josephson current proportional to $\sin \phi$ in…

Superconductivity · Physics 2009-11-07 Y. Asano , Y. Tanaka , M. Sigrist , S. Kashiwaya

We discuss the Josephson current between two noncentrosymmetric superconductors. The coexistence of superconducting order parameters between spin-singlet $\Delta_{\text{S}}$ and helical p-wave spin-triplet $\Delta_{\text{T}}$ enriches a…

Superconductivity · Physics 2015-05-28 Yasuhiro Asano , Satoshi Yamano

The Josephson current in a diffusive superconductor/ferromagnet/superconductor junction with precessing magnetization is calculated within the quasiclassical theory of superconductivity. When the junction is phase-biased, a stationary…

Superconductivity · Physics 2015-03-31 M. Houzet

We present a theoretical study of the Josephson coupling of two s-wave superconductors which are connected through a diffusive contact consisting of noncollinear ferromagnetic domains. First, we consider a contact with two domains with…

Superconductivity · Physics 2015-05-30 Zahra Shomali , Malek Zareyan , Wolfgang Belzig

We consider the tunnel spin current between two ferromagnetic metals from a perspective similar to the one used in superconductor/superconductor tunnel junctions. We use fundamental arguments to derive a Josephson-like spin tunnel current…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Flavio S. Nogueira , Karl-Heinz Bennemann

We discuss transport properties of fully spin-polarized triplet superconductors, where only electrons of one spin component (along a certain axis) are paired. Due to the structure of the order parameter space, wherein phase and spin…

Superconductivity · Physics 2021-01-20 Eyal Cornfeld , Mark S. Rudner , Erez Berg

An in-plane magnetic field applied to an Ising superconductor converts spin-singlet Cooper pairs to spin-triplet ones. In this work, we study a Josephson junction formed by two Ising superconductors that are proximitized by ferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2022-01-03 Gaomin Tang , Raffael L. Klees , Christoph Bruder , Wolfgang Belzig

The long-range spin-triplet supercurrent transport is an interesting phenomenon in the superconductor/ferromagnet ($S/F$) heterostructure containing noncollinear magnetic domains. Here we study the long-range superharmonic Josephson current…

Superconductivity · Physics 2015-10-27 Hao Meng , Jiansheng Wu , Xiuqiang Wu , Mengyuan Ren , Yajie Ren

We study the long-range triplet Josephson current in a clean junction composed of two s-wave superconductors and a normal-metal/ferromagnet/normal-metal trilayer. Through applying the bias voltages on the metal regions by two antiparallel…

Superconductivity · Physics 2015-06-18 Hao Meng , Xiuqiang Wu , Feng Mei
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