[HTML][HTML] Nematic Superconductivity in Doped Bi2Se3 Topological Superconductors

S Yonezawa - Condensed Matter, 2018 - mdpi.com
Nematic superconductivity is a novel class of superconductivity characterized by
spontaneous rotational-symmetry breaking in the superconducting gap amplitude and/or …

Topological quantum matter to topological phase conversion: Fundamentals, materials, physical systems for phase conversions, and device applications

MMH Polash, S Yalameha, H Zhou, K Ahadi… - Materials Science and …, 2021 - Elsevier
The spin-orbit coupling field, an atomic magnetic field inside a Kramers' system, or discrete
symmetries can create a topological torus in the Brillouin Zone and provide protected edge …

Nematic superconductivity in twisted bilayer graphene

DV Chichinadze, L Classen, AV Chubukov - Physical Review B, 2020 - APS
Twisted bilayer graphene displays insulating and superconducting phases caused by
exceptional flattening of its lowest energy bands. Superconductivity with highest T c appears …

Nematic superconductivity stabilized by density wave fluctuations: Possible application to twisted bilayer graphene

V Kozii, H Isobe, JWF Venderbos, L Fu - Physical Review B, 2019 - APS
Nematic superconductors possess unconventional superconducting order parameters that
spontaneously break rotational symmetry of the underlying crystal. In this work we propose a …

Coreless vortices as direct signature of chiral -wave superconductivity

P Holmvall, AM Black-Schaffer - Physical Review B, 2023 - APS
Chiral d-wave superconductivity has been proposed in a number of different materials, but
characteristic experimental fingerprints have been largely lacking. We show that quadruply …

[HTML][HTML] Fractional Skyrmion molecules in a ℂPN− 1 model

Y Akagi, Y Amari, SB Gudnason, M Nitta… - Journal of High Energy …, 2021 - Springer
A bstract We study fractional Skyrmions in a ℂP 2 baby Skyrme model with a generalization
of the easy-plane potential. By numerical methods, we find stable, metastable, and unstable …

Robust and tunable coreless vortices and fractional vortices in chiral -wave superconductors

P Holmvall, N Wall-Wennerdal, AM Black-Schaffer - Physical Review B, 2023 - APS
Chiral d-wave superconductivity has recently been proposed in a wide range of materials
based on both experiment and theoretical studies. Chiral superconductors host a finite …

[HTML][HTML] Building traps for skyrmions by the incorporation of magnetic defects into nanomagnets: Pinning and scattering traps by magnetic properties engineering

D Toscano, SA Leonel, PZ Coura, F Sato - Journal of Magnetism and …, 2019 - Elsevier
In this work we have used micromagnetic simulations to report four ways to build traps for
magnetic skyrmions. Magnetic defects have been modeled as local variations in the material …

Non-Abelian half-quantum vortices in topological superfluids

Y Masaki, T Mizushima, M Nitta - Physical Review B, 2022 - APS
3 P 2 superfluids realized in neutron stars are the largest topological quantum matters in our
universe. We establish the existence and stability of non-Abelian half-quantum vortices …

Absence of Ginzburg-Landau mechanism for vestigial order in the normal phase above a two-component superconductor

PT How, SK Yip - Physical Review B, 2023 - APS
A two-component superconductor may hypothetically support a vestigial order phase above
its superconducting transition temperature, with rotational or time-reversal symmetry …