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We consider a correlated wavefunction including particle-hole pairing at half a reciprocal lattice vector for itinerant electrons hopping on a square lattice in two dimensions and subject both to on-site and nearest-neighbor repulsion. We…

凝聚态物理 · 物理学 2007-05-23 Chetan Nayak , Frank Wilczek

In non-centrosymmetric superconductors, spin-orbit coupling can induce an unconventional superconducting state with a mixture of s-wave spin-singlet and p-wave spin-triplet channels, which leads to a variety of exotic phenomena, including…

超导电性 · 物理学 2018-10-03 Jiabin Yu , Chao-Xing Liu

A ferroic alignment of a time-reversal-even axial vector, which is called the ferroaxial ordered state, is identified by the spontaneous rotational distortion of the lattice structure to break the vertical mirror symmetry. We theoretically…

强关联电子 · 物理学 2024-12-03 Akane Inda , Satoru Hayami

By examining how the spin- and/or charge-fluctuation exchange can contribute to pairing instabilities, we propose that a spin-triplet f-wave-like pairing with a d-vector perpendicular to the b-axis may be realized in (TMTSF)_2 PF_6 due to…

超导电性 · 物理学 2009-10-31 Kazuhiko Kuroki , Ryotaro Arita , Hideo Aoki

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…

The admixture of spin-singlet and spin-triplet pairing states in superconductors can be typically induced by breaking spatial inversion symmetry. Employing the {\it numerically exact} auxiliary-field Quantum Monte Carlo method, we study…

强关联电子 · 物理学 2024-03-26 Yu-Feng Song , Youjin Deng , Yuan-Yao He

We study the Josephson effects arising in junctions made of non-centrosymmetric superconductors with spin-triplet pairing having $s$-wave orbital-singlet symmetry. We demonstrate that the orbital dependent character of the spin-triplet…

超导电性 · 物理学 2023-06-21 Yuri Fukaya , Yukio Tanaka , Paola Gentile , Keiji Yada , Mario Cuoco

In most naturally occurring superconductors, electrons with opposite spins are paired up to form Cooper pairs. This includes both conventional $s$-wave superconductors such as aluminum as well as high-$T_\text{c}$, $d$-wave superconductors.…

Non-relativistic spin-splitting in unconventional antiferromagnets has garnered much attention for its promising spintronic applications and open fundamental questions. Here, we uncover a unique even-parity spin texture in chiral…

超导电性 · 物理学 2026-02-24 Song-Bo Zhang , Lun-Hui Hu

Coherent nonlinear tripartite interactions are critical for advancing quantum simulation and information processing in hybrid quantum systems, yet they remain experimentally challenging and still evade comprehensive exploration. Here, we…

量子物理 · 物理学 2026-05-04 Xue-Feng Pan , Peng-Bo Li

We investigate the role played by the electron spin and the spin-orbit interaction on the exceptional electronphonon coupling at the Tl/Si(111) surface. Our first-principles calculations demonstrate that the particular spin pattern of this…

介观与纳米尺度物理 · 物理学 2018-05-23 Peio Garcia-Goiricelaya , Idoia G. Gurtubay , Asier Eiguren

A generalization of the Cooper pairing mechanism is proposed which allows for a triplet state of lower energy. This is achieved by incorporating spin into the canonical commutation relations and by modifying the $\delta$ potential contact…

超导电性 · 物理学 2010-12-14 Ashok Das , J. Gamboa , F. Mendez , F. Torres

The photo-driven process of singlet fission generates coupled triplet pairs (TT) with fundamentally intriguing and potentially useful properties. The quintet 5TT0 sublevel is particularly interesting for quantum information because it is…

We show that spin-orbit coupling in a quantum dot molecule allows for coherent manipulation of two electron spin states using Raman transitions. Such two-electron spin states defined by the singlet and triplet states of two exchange coupled…

介观与纳米尺度物理 · 物理学 2009-11-11 Hakan E. Türeci , J. M. Taylor , A. Imamoglu

The essential role of synthetic spin-orbit coupling in discovering new topological matter phases with cold atoms is widely acknowledged. However, the engineering of spin-orbit coupling remains unclear for arbitrary-spin models due to the…

量子气体 · 物理学 2024-09-25 Zhen Zheng , Yan-Qing Zhu , Shanchao Zhang , Shi-Liang Zhu , Z. D. Wang

Molecular spin systems based on photoexcited triplet pairs formed via singlet fission (SF) are attractive as carriers of quantum information because of their potentially pure and controllable spin polarization, but developing systems that…

介观与纳米尺度物理 · 物理学 2022-11-09 Gajadhar Joshi , Ryan D. Dill , Karl J. Thorley , John E. Anthony , Obadiah G. Reid , Justin C. Johnson

Whereas there exists considerable evidence for the conversion of singlet Cooper pairs into triplet Cooper pairs in the presence of inhomogeneous magnetic fields, recent theoretical proposals have suggested an alternative way to exert…

超导电性 · 物理学 2018-06-06 N. Banerjee , J. A. Ouassou , Y. Zhu , N. A. Stelmashenko , J. Linder , M. G. Blamire

We study the interplay between collective electronic and lattice modes in polar metals in an applied magnetic field aligned with the polar axis. Static spin-orbit coupling leads to the appearance of a particle-hole spin-flip continuum that…

介观与纳米尺度物理 · 物理学 2023-12-27 Abhishek Kumar , Premala Chandra , Pavel A. Volkov

We consider the quantum simulation of quadratic spin-phonon coupling in a crystal of trapped ions. The coupling is implemented using tightly focused optical tweezers on each ion that change the local trapping potential in a state-dependent…

The magnetic dipolar splitting of a p-wave Feshbach resonance is governed by the spin-orbital configuration of the valence electrons in the triplet molecular state. We perform high-resolution trap loss spectroscopy on ultracold 6Li atoms to…

量子气体 · 物理学 2025-05-29 Shuai Peng , Sijia Peng , Lijun Ren , Shaokun Liu , Bin Liu , Jiaming Li , Le Luo