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Coupling a conventional s-wave superconductor to a ferromagnet allows, via the proximity effect, to generate superconducting triplet correlations. This feature can be employed to achieve a superconducting triplet spin-valve effect in…

Superconductivity · Physics 2022-04-27 Tancredi Salamone , Henning G. Hugdal , Morten Amundsen , Sol H. Jacobsen

We show that superconducting correlations in the presence of non-zero condensate velocity can mediate the peculiar interaction between localized spins that breaks the global inversion symmetry of magnetic moments. The proposed interaction…

Superconductivity · Physics 2018-11-26 D. S. Rabinovich , I. V. Bobkova , A. M. Bobkov , M. A. Silaev

A common path to superconducting spintronics, Majorana fermions, and topologically-protected quantum computing relies on spin-triplet superconductivity. While naturally occurring spin-triplet pairing is elusive and even common spin-triplet…

Superconductivity · Physics 2020-02-05 Thomas Vezin , Chenghao Shen , Jong E. Han , Igor Žutić

Structure of the spin-orbit coupling varies from material to material and thus finding the correct spin-orbit coupling structure is an important step towards advanced spintronic applications. We show theoretically that the curvature in a…

Mesoscale and Nanoscale Physics · Physics 2011-09-14 Jae-Seung Jeong , Hyun-Woo Lee

We consider a Rashba spin-orbit coupled nanowire with anisotropic spin-singlet superconducting pairing and time-reversal-invariant symmetry. We explore the evolution of the topological superconducting phases of this system due to geometric…

Superconductivity · Physics 2020-03-11 Gianluca Francica , Mario Cuoco , Paola Gentile

We propose that geometric curvature and torsion may be used to probe the quality of an uncompensated antiferromagnetic interface, using the proximity effect. We study a helix of antiferromagnetic wire coupled to a conventional…

Superconductivity · Physics 2025-01-16 Tancredi Salamone , Magnus Skjærpe , Henning G. Hugdal , Morten Amundsen , Sol H. Jacobsen

As nanomagnetic devices scale to smaller sizes, spin-orbit coupling due to the broken structural inversion symmetry at interfaces becomes increasingly important. Here we study interfacial spin-orbit coupling effects in magnetic bilayers…

Mesoscale and Nanoscale Physics · Physics 2013-11-26 Kyoung-Whan Kim , Hyun-Woo Lee , Kyung-Jin Lee , M. D. Stiles

The transport properties of finite nanotubes placed in a magnetic field parallel to their axes are investigated. Upon including spin-orbit coupling and curvature effects, two main phenomena are analyzed which crucially depend on the tube's…

Mesoscale and Nanoscale Physics · Physics 2011-10-28 Miriam del Valle , Magdalena Marganska , Milena Grifoni

Recent studies on spin-wave propagation in ferromagnetic waveguides has highlighted the role of nonreciprocity resulting from the chiral nature of dipolar interactions in curved elements. However, the impact of spin-wave mode type on…

Mesoscale and Nanoscale Physics · Physics 2026-01-21 Uladzislau Makartsou , Mateusz Gołębiewski , Attila Kákay , Olena Tartakivska , Maciej Krawczyk

We investigate the nature of the superconducting state in curved nanostructures with Rashba spin-orbit coupling (RSOC). In bent nanostructures with inhomogeneous curvature we find a local enhancement or suppression of the superconducting…

Superconductivity · Physics 2017-09-27 Zu-Jian Ying , Mario Cuoco , Carmine Ortix , Paola Gentile

The coupling between two ferromagnets separated by a superconductor has been mostly investigated for the case of Cooper pairs with spin-singlet symmetry. Here, we consider a spin-triplet superconductor with chiral pairing. By full…

Superconductivity · Physics 2024-08-20 Alfonso Romano , Canio Noce , Mario Cuoco

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

The interplay of magnetism and superconductivity can lead to intriguing emergent phenomena. Here we combine two different two-dimensional antiferromagnetic magnet-superconductor hybrids (MSH) and study their properties using spin-polarized…

The discovery of noncentrosymmetric superconductors, such as CePt$_3$Si, and chiral superconductors, such as Sr$_2$RuO$_4$, calls for experimental methods to identify the presence of spin-triplet pairing. We here demonstrate a method which…

Superconductivity · Physics 2015-05-20 Gaetano Annunziata , Mario Cuoco , Canio Noce , Asle Sudbø , Jacob Linder

The spin susceptibility is an important probe to characterize the symmetry of the order parameter in unconventional superconductors. Among them, nonunitary triplet superconductors have attracted a lot of attention recently in the context of…

Superconductivity · Physics 2024-07-22 Thomas Bernat , Julia S. Meyer , Manuel Houzet

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…

Superconductivity · Physics 2023-06-21 Yuri Fukaya , Yukio Tanaka , Paola Gentile , Keiji Yada , Mario Cuoco

Chirality is a fundamental organizing principle of correlated and topological states. In quantum magnets, chirality arises from the geometric twisting of spins and serves as an emergent source of Berry curvature and quantum metrics.…

Through left- or right-handed twisting, we investigate the impact of mirror-asymmetry (chirality) of the conducting boundary conditions of an equilaterial triangular cross-section electromagnetic resonator. We observe the generation of…

Classical Physics · Physics 2026-01-21 E. C. I. Paterson , J. Bourhill , M. E. Tobar , M. Goryachev

A simple mechanism of controllable switching of magnetic vortex chirality is proposed. We consider curvilinear magnetic nanoshells of spherical geometry whose ground state is a vortex magnetization distribution. Chirality of this magnetic…

Mesoscale and Nanoscale Physics · Physics 2015-05-25 Kostiantyn V. Yershov , Volodymyr P. Kravchuk , Denis D. Sheka , Yuri Gaididei

When superconductivity couples with noncollinear spin textures, rich physics arises; for instance, singlet Cooper pairs can be converted to triplet pairs, and topological superconductors can be realized. For their applications, the…

Strongly Correlated Electrons · Physics 2018-03-02 Rina Takashima , Yasuyuki Kato , Youichi Yanase , Yukitoshi Motome
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