English
Related papers

Related papers: Non-Abelian geometric potentials and spin-orbit co…

200 papers

Spin-orbit coupling (SOC) plays a crucial role in determining the spin structure of an odd parity psedospin-triplet Cooper pairing state. Here, we present a thorough study of how SOC lifts the degeneracy among different p-wave…

Superconductivity · Physics 2020-02-11 Zhiqiang Wang , Xin Wang , Catherine Kallin

Non-adiabatic non-Abelian geometric phase of spin-3/2 system in the rotating magnetic field is considered. Explicit expression for the corresponding effective non-Abelian gauge potential is obtained. This formula can be used for…

Quantum Physics · Physics 2009-11-07 A. E. Margolin , V. I. Strazhev , A. Ya. Tregubovich

Three dimensional topological superconductors (TScs) protected by time reversal (T) symmetry are characterized by gapless Majorana cones on their surface. Free fermion phases with this symmetry (class DIII) are indexed by an integer n, of…

Strongly Correlated Electrons · Physics 2013-12-03 Lukasz Fidkowski , Xie Chen , Ashvin Vishwanath

We study the interplay of both Rashba and Dresselhaus spin-orbit couplings (SOCs) and a uniform perpendicular magnetic field $\textbf{B}$ on the transport of a spin-polarized electron along a curved quantum wire. Eigenenergies and…

Mesoscale and Nanoscale Physics · Physics 2014-10-27 Carlos Baldo , Cristine Villagonzalo

An unconventional superconductor is distinguished with two types of gap functions: unitary and non-unitary. This core subject has been concentrated on purely spin-triplet or singlet-triplet mixed superconductors. However, the generalization…

Superconductivity · Physics 2023-03-29 Meng Zeng , Dong-Hui Xu , Zi-Ming Wang , Lun-Hui Hu

We study the short-range correlation strength of three dimensional spin half dilute atomic Fermi gases with spin-orbit coupling. The interatomic interaction is modeled by the contact pseudopotential. In the high temperature limit, we derive…

Quantum Gases · Physics 2012-04-17 Zhenhua Yu

Non-interacting spinless electrons in one-dimensional quasicrystals, described by the Aubry-Andr\'{e}-Harper (AAH) Hamiltonian with nearest neighbour hopping, undergoes metal to insulator transition (MIT) at a critical strength of the…

Disordered Systems and Neural Networks · Physics 2021-08-09 Deepak Kumar Sahu , Aruna Prasad Acharya , Debajyoti Choudhuri , Sanjoy Datta

The spin-orbital polarization of superconducting excitations in momentum space is shown to provide distinctive marks of unconventional pairing in the presence of inversion symmetry breaking.Taking the prototypical example of an electronic…

Superconductivity · Physics 2019-10-02 Yuri Fukaya , Shun Tamura , Keiji Yada , Yukio Tanaka , Paola Gentile , Mario Cuoco

Using first-principles density-functional theory (DFT) calculations, we investigate the 4/3-monolayer structure of Pb on the Si(111) or Ge(111) surface within the two competing structural models termed the H$_3$ and T$_4$ structures. We…

Computational Physics · Physics 2016-09-21 Xiao-Yan Ren , Hyun-Jung Kim , Seho Yi , Yu Jia , Jun-Hyung Cho

Altermagnets have been identified as the third category of magnetic materials, exhibiting momentum-dependent spin splitting characterized by even powers of momentum. In this study, we show that when subjected to elliptically polarized…

Mesoscale and Nanoscale Physics · Physics 2025-12-12 Sayed Ali Akbar Ghorashi , Qiang Li

We study the local antisymmetric spin-orbit (ASO) coupling effect on spin, orbital, and charge degrees of freedom for the Kondo effect in a triangular triple quantum dot (TTQD). Here, one of the three QDs is coupled to a metallic lead…

Mesoscale and Nanoscale Physics · Physics 2017-07-07 Mikito Koga , Masashige Matsumoto , Hiroaki Kusunose

We generalize the $\eta$-pairing theory in Hubbard models to the ones with spin-orbit coupling (SOC) and obtain the conditions under which the $\eta$-pairing operator is an eigenoperator of the Hamiltonian. The $\eta$ pairing thus reveals…

Strongly Correlated Electrons · Physics 2020-10-30 Kai Li

We theoretically explore the tunneling dynamics for the tight-binding (TB) model of a single spin-orbit-coupled atom trapped in an optical lattice subjected to lattice shaking and to time-periodic Zeeman field. By means of analytical and…

Quantum Gases · Physics 2021-04-14 Xiaobing Luo , Zhao-Yun Zeng , Yu Guo , Baiyuan Yang , Jinpeng Xiao , Lei Li , Chao Kong , Ai-Xi Chen

We study the problem of two harmonically trapped atoms in the presence of spin-orbital-angular-momentum (SOAM) coupling. The two-body energy spectrum is numerically calculated by utilizing the exact diagonalization method. We analyze how…

Quantum Gases · Physics 2024-08-30 Xiao-Long Chen , Aixi Chen , Shi-Guo Peng

We show that spin-orbit coupling (SOC) in InSe enables the optical transition across the principal band gap to couple with in-plane polarized light. This transition, enabled by $p_{x,y}\leftrightarrow p_z$ hybridization due to intra-atomic…

Mesoscale and Nanoscale Physics · Physics 2017-11-21 S. J. Magorrian , V. Zólyomi , V. I. Fal'ko

The spin-orbit couplings (SOCs) of hydrogenated and fluorinated graphenes are calculated from the first principles method. It is found that the SOC-induced band splittings near their Fermi energies can be significantly enhanced to the order…

Mesoscale and Nanoscale Physics · Physics 2016-08-19 Jian Zhou , Qifeng Liang , Jinming Dong

NbP is one member of a new class of nodal loop semimetals characterized by the cooperative effects of spin-orbit coupling (SOC) and a lack of inversion center. Here transport and spectroscopic properties of NbP are evaluated using density…

Materials Science · Physics 2016-09-26 Kyo-Hoon Ahn , K. -W. Lee , W. E. Pickett

We address evolution of a spinor polariton condensate in radially periodic potentials. Such potentials allow for the observation of novel nonlinear excitations and support a variety of dynamically stable soliton states never demonstrated…

Mesoscale and Nanoscale Physics · Physics 2019-03-13 Dmitry A. Zezyulin , Yaroslav V. Kartashov , Dmitry V. Skryabin , Ivan A. Shelykh

We study the interplay of spin-orbit coupling (SOC) and strong p-wave interaction to the scattering property of spin-1/2 ultracold Fermi gases. Based on a two-channel square-well potential generating p-wave resonance, we show that the…

Quantum Gases · Physics 2017-06-01 Xiaoling Cui

We performed angle resolved photoemission (ARPES) studies on Cu(111) and Au(111) surface states with circularly polarized light. Existence of local orbital angular momentum (OAM) is confirmed as has been predicted to be broadly present in a…

‹ Prev 1 8 9 10 Next ›