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We study the superconducting instability in disordered non-centrosymmetric monolayers with intrinsic Ising spin-orbit coupling (SOC) subjected to an in-plane Zeeman magnetic field. The pairing interaction contains the channels allowed by…

超导电性 · 物理学 2020-01-23 David Möckli , Maxim Khodas

It is shown that an extra magnetization is induced by an onset of the equal-spin-pairing of spin triplet superconductivity if the energy dependence of the density of states of quasiparticles exists in the normal state. It turns out that the…

超导电性 · 物理学 2014-05-14 Kazumasa Miyake

Synthetic spin-orbit coupling in cold atoms couples the pseudo-spin and spatial degrees of freedom, and therefore the inherent spin symmetry of the system plays an important role. In systems of two pseudo-spin degrees, two particles contain…

量子气体 · 物理学 2025-02-05 Ayaka Usui , Abel Rojo-Francàs , James Schloss , Bruno Juliá-Díaz

It is shown that exciton condensates exhibit an incredible richness in the role that fundamental symmetries play whether manifest or broken. We investigate the appearance of the singlet and the triplet excitonic condensates under spin-orbit…

强关联电子 · 物理学 2014-05-13 Tuǧrul Hakioǧlu , Mehmet Gunay , Ege Ozgun

We show that the nonuniform state (Fulde-Ferrel-Larkin-Ovchinnikov (FFLO) state) of the spin triplet superconductivity in noncentrosymmetric systems is stabilized by antisymmetric spin-orbit coupling even if the magnetic field is absent.…

超导电性 · 物理学 2015-06-25 Hiroko Tanaka , Hirono Kaneyasu , Yasumasa Hasegawa

The spin-orbit coupling (SOC) interactions, electron correlation effects and Hund coupling cooperate and compete with each other, leading to novel properties, quantum phase and non-trivial topological electronic behavior in iridium oxides.…

强关联电子 · 物理学 2018-12-19 Xing Ming , Xiangang Wan , Carmine Autieri , Jianfeng Wen , Xiaojun Zheng

In the present paper, we propose the parity even,orbital singlet and spin triplet pairing state as the ground state of the newly discovered super-conductor $LaO_{1-x}F_xFeAs$.The pairing mechanism involves both the special shape of the…

超导电性 · 物理学 2009-11-13 Xi Dai , Zhong Fang , Yi Zhou , Fu-chun Zhang

Motivated by the proposed topological state in Cu$_x$Bi$_2$Se$_3$, we study the possibility of phonon-mediated odd-parity superconductivity in spin-orbit coupled systems with time-reversal and inversion symmetry. For such systems, we show…

超导电性 · 物理学 2014-11-18 P. M. R. Brydon , S. Das Sarma , Hoi-Yin Hui , Jay D. Sau

The possibility of multiple phase diagram in the novel superconductor Na_{x}CoO_{2}yH_{2}O is analyzed on the basis of the multi-orbital Hubbard model including the atomic spin-orbit coupling. We have shown that the spin triplet pairing…

超导电性 · 物理学 2009-11-11 Youichi Yanase , Masahito Mochizuki , Masao Ogata

In conventional superconductors, electrons of opposite spins are bound into Cooper pairs. However, when the superconductor is in contact with a non-uniformly ordered ferromagnet, an exotic type of superconductivity can appear at the…

Spin-orbital coupling (SOC) and parity-time ($\mathcal{PT}$) symmetry both have attracted paramount research interest in condensed matter physics, cold atom physics, optics and acoustics to develop spintronics, quantum computation, precise…

量子气体 · 物理学 2022-06-29 Jieli Qin , Lu Zhou , Guangjiong Dong

Highlighted with improved long-term thermal and environmental stability, all-inorganic metal halide perovskites exhibit tunable physical properties, cost-effective synthesis, and satisfactory optoelectronic performance, attracting…

Searching for unconventional Cooper pairing states has been at the heart of superconductivity research since the discovery of BCS superconductors. In particular, spin-triplet odd-parity pairing states were recently revisited due to the…

超导电性 · 物理学 2015-05-14 Zi Yang Meng , Fan Yang , Kuang-Shing Chen , Hong Yao , Hae-Young Kee

We propose a microscopic mechanism for triplet pairing due to spin-orbit-assisted electron interaction with optical phonons in a crystal with a complex unit cell. Using two examples of electrons with symmetric Fermi surfaces in crystals…

超导电性 · 物理学 2007-05-23 Vladimir I. Fal'ko , Boris N. Narozhny

Spin-orbit coupling (SOC) is pivotal for various fundamental spin-dependent phenomena in solids and their technological applications. In semiconductors, these phenomena have been so far studied in relatively weak electron-electron…

介观与纳米尺度物理 · 物理学 2021-06-09 D. Maryenko , M. Kawamura , A. Ernst , V. K. Dugaev , E. Ya. Sherman , M. Kriener , M. S. Bahramy , Y. Kozuka , M. Kawasaki

We report a novel phenomenon intimately related to the spin-triplet superconductivity. It is well known that the spin susceptibility decreases below the superconducting transition temperature in almost all superconductors because of…

超导电性 · 物理学 2015-10-28 K. Ishida , M. Manago , T. Yamanaka , H. Fukazawa , Z. Q. Mao , Y. Maeno , K. Miyake

We study the spectral properties of disordered superconductors with Ising spin-orbit coupling (ISOC) subjected to in-plane magnetic fields. In addition to the conventional singlet pairing, we also consider the recently proposed equal-spin…

超导电性 · 物理学 2024-07-22 Stefan Ilic , Julia S. Meyer , Manuel Houzet

A microscopic theory for the spin triplet Cooper pairing in non-centrosymmetric superconductors like CePt_3Si and CeTSi_3 (T=Rh, Ir) is presented. The lack of inversion symmetry leads to new anomalous spin fluctuations which stabilize the…

超导电性 · 物理学 2015-05-14 Tetsuya Takimoto , Peter Thalmeier

The random spin-orbit coupling in multicomponent superconductors is investigated focusing on the non-centrosymmetric superconductor CePt_3Si and the spin triplet superconductor Sr_2RuO_4. We find novel manifestations of the random…

超导电性 · 物理学 2015-05-18 Youichi Yanase

Using an asymptotically exact weak coupling analysis of a multi-orbital Hubbard model of the electronic structure of \SRO, we show that the interplay between spin and charge fluctuations leads unequivocally to triplet pairing which…

超导电性 · 物理学 2010-10-19 S. Raghu , A. Kapitulnik , S. A. Kivelson