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We compute the structure of flux $h/(2e)$ vortices in a d-wave superconductor which emerges from a higher temperature pseudogap metal. Such a transition is described by a continuum theory of the Higgs condensation of 2 flavors of charge $e$…

Strongly Correlated Electrons · Physics 2024-12-11 Jia-Xin Zhang , Subir Sachdev

Spin current and spin torque generation through the spin-orbit interactions in solids, of bulk or interfacial origin, is at the heart of spintronics research. The realization of spin-orbit torque (SOT) driven magnetic dynamics and switching…

Mesoscale and Nanoscale Physics · Physics 2021-03-22 Minh-Hai Nguyen , Chi-Feng Pai

We carry out numerical simulations to investigate spontaneous vortex formation during a temperature quench of a superconductor film from the normal to the superconducting phase in the absence of an external magnetic field. Our results agree…

Superconductivity · Physics 2008-11-26 M. Donaire , T. W. B. Kibble , A. Rajantie

The interplay between superconductivity and ferromagnetism in the superconductor/ferromagnet (SC/FM) heterostructures generates many interesting physical phenomena, including spin-triplet superconductivity, superconducting order parameter…

Mesoscale and Nanoscale Physics · Physics 2022-11-17 Ranran Cai , Igor Žutić , Wei Han

A serious obstacle that impedes the application of low and high temperature superconductor (SC) devices is the presence of trapped flux. Flux lines or vortices are induced by fields as small as the Earth's magnetic field. Once present,…

Superconductivity · Physics 2009-10-31 Choongseop Lee , Boldizsar Janko , Imre Derenyi , Albert-Laszlo Barabasi

The structure of a superconducting vortex has been studied theoretically for a dirty antiferromagnetic superconductor (AFSC), modelling an AFSC as a doped semi-metal with s-wave superconducting pairing and antiferromagnetic (dielectric)…

Superconductivity · Physics 2015-06-24 V. V. Garkusha , V. N. Krivoruchko

Appearance of strong spin-orbit coupling (SOC) is apparent in ternary equiatomic compounds with 5$d$-electrons due to the large atomic radii of transition metals. SOC plays a significant role in the emergence of unconventional…

A magnetic field applied to type-II superconductors introduces quantized vortices that locally quench superconductivity, providing a unique opportunity to investigate electronic orders that may compete with superconductivity. This is…

Superconductivity · Physics 2016-06-01 T. Machida , Y. Kohsaka , K. Matsuoka , K. Iwaya , T. Hanaguri , T. Tamegai

We study a two-component Bose gas with artificial spin-orbit coupling (SOC) which couples the center-of-mass momentum of atom to its internal states. We show that in this system resonance can be induced by tuning SOC strength. With a…

Quantum Gases · Physics 2018-10-10 Qi Gu , Lan Yin

We study vortex pattern formation in thin ferromagnetic films under the action of strong spin-polarized currents. Considering the currents which are polarized along the normal of the film plane, we determine the critical current above which…

Strongly Correlated Electrons · Physics 2013-05-30 Yuri Gaididei , Oleksii M. Volkov , Volodymyr P. Kravchuk , Denis D. Sheka

We propose a universal spin superconducting diode effect (SDE) induced by spin-orbit coupling (SOC), where the critical spin supercurrents in opposite directions are unequal. By analysis from both the Ginzburg-Landau theory and energy band…

Superconductivity · Physics 2024-06-18 Yue Mao , Qing Yan , Yu-Chen Zhuang , Qing-Feng Sun

Topological superconductors support Majorana modes, which are quasiparticles that are their own antiparticles and which obey non-Abelian statistics in which successive exchanges of particles do not always commute. Here we investigate…

Superconductivity · Physics 2024-03-29 Jonathan Schirmer , J. K. Jain , C. -X. Liu

Vortices are among the simplest topological structures, and occur whenever a flow field `whirls' around a one-dimensional core. They are ubiquitous to many branches of physics, from fluid dynamics to superconductivity and superfluidity, and…

We theoretically investigate the vortex state of the cuprate high-temperature superconductors in the presence of magnetic fields. Assuming the recently derived nonlinear $\sigma$-model for fluctuations in the pseudogap phase, we find that…

Superconductivity · Physics 2014-08-29 M. Einenkel , H. Meier , C. Pépin , K. B. Efetov

We have developed the quasi-classical formalism for a self-induced vortex state in ferromagnetic superconductors. By combining the spatially averaged approximation of the superconductivity with the phenomenological form of the…

Superconductivity · Physics 2013-08-13 Hiroaki Kusunose , Yuji Kimoto

We investigate several mechanisms of vortex creation during splitting of a spinor BEC in a magnetic trap controlled by a pair of current carrying wires and bias magnetic fields. Our study is motivated by a recent MIT experiment on splitting…

Other Condensed Matter · Physics 2007-10-03 A. P. Itin , T. Morishita , M. Satoh , O. I. Tolstikhin , S. Watanabe

The study of the interaction between superconductivity and charge ordering is helpful to resolve the pairing mechanism in high-temperature superconductors. Recently, several resistance oscillations studies trigger the speculation that a…

Superconductivity · Physics 2025-04-29 Changshuai Lan , Chuanwen Zhao , Xin Yi , Qiao Chen , Xinming Zhao , Dong Wu , Chengyu Yan , Shun Wang

We show that the interplay between spin-orbit coupling (SOC) and the paramagnetic response of itinerant electrons in proximitized superconductor/paramagnet systems gives rise to the inverse spin galvanic effect, i.e. generation of magnetic…

Superconductivity · Physics 2024-06-25 S. V. Mironov , A. S. Mel'nikov , A. I. Buzdin

Abrikosov vortices, where the superconducting gap is completely suppressed in the core, are dissipative, semi-classical entities that impact applications from high-current-density wires to superconducting quantum devices. In contrast, we…

Vortices in a one-component dilute atomic ultracold Bose-Einstein condensate (BEC) usually arise as a response to externally driven rotation. Apart from a few special situations, these vortices are singly quantized with unit circulation.…

Quantum Gases · Physics 2015-06-24 Alexander L. Fetter
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