Results 81 to 90 of about 38,463 (233)
Magnetic Hopfions as Local Rotations of the Uniform Magnetization Background
physica status solidi (RRL) – Rapid Research Letters, Volume 19, Issue 12, December 2025.The Hopf mapping of 3D coordinate space to the unit sphere m2 = 1 in the magnetization space m(r) can be parametrized by some angles. These angles are used to define a local rotation matrix to restore the hopfion magnetization configuration from the uniformly magnetized state for any Hopf indices.
Konstantin Y. Guslienko
wiley +1 more source
DC‐Driven Fractional Flux Quanta in Two‐Band Superconductors
physica status solidi (RRL) – Rapid Research Letters, Volume 19, Issue 12, December 2025.The dc‐driven distancing of fractional flux quanta is theoretically analyzed for a dual‐band superconductor with a periodic pinning potential. The analysis is based on the dynamical equation of motion for a single composite vortex. The model neglects the phase difference between the condensates and may be applicable to two‐band superconductors with ...
Anton O. Pokusinskyi +1 more
wiley +1 more source
Cooling of Neutron Stars: Two Types of Triplet Neutron Pairing
, 2002 We consider cooling of neutron stars (NSs) with superfluid cores composed of neutrons, protons, and electrons (assuming singlet-state pairing of protons, and triplet-state pairing of neutrons).
A. D. Kaminker +15 more
core +2 more sources
Ambient Condition Superconductivity via Engineered Polaronic Environment
physica status solidi (RRL) – Rapid Research Letters, Volume 19, Issue 12, December 2025.A novel strategy for increasing the critical temperature Tc of superconductors is proposed. It involves mating ultrathin layers of superconductors (e.g. MgB2) and metal‐organic framework materials, with a renormalized dielectric response yielding a new system with strengthened Cooper pairing via resonant antishielding. This study's estimates of Tc show
Krzysztof Kempa, Michael J. Naughton
wiley +1 more source
, 2016 According to the famous Kibble-Zurek mechanism (KZM), the universality of spontaneous defect generation in continuous phase transitions (CPTs) can be understood by the critical slowing down.
Lee, Chaohong +3 more
core +1 more source
Vortex Ratchet Effect in a NbC Strip With a Periodic Edge Indentation
Small Methods, Volume 9, Issue 12, December 1, 2025.The image shows the nanoprinting of a superconducting nanostructure using focused ion beam induced deposition (top left), overlaid with numerically simulated patterns of current and magnetic flux quanta (bottom). An edge indentation breaks spatial symmetry, modifying the current density distribution and inducing nonreciprocal magnetic flux dynamics the
F. Porrati +4 more
wiley +1 more source
Cooling neutron stars and superfluidity in their interiors
, 1999 We study the heat capacity and neutrino emission reactions (direct and modified Urca processes, nucleon-nucleon bremsstrahlung, Cooper pairing of nucleons) in matter of supranuclear density of the neutron star cores with superfluid neutrons and protons ...
Levenfish, K. P. +2 more
core +2 more sources
Topological decomposition and transformation of photonic quasicrystals
Nanophotonics, Volume 14, Issue 24, Page 4301-4310, December 2025.Abstract Photonic quasicrystals, generated through the interference of multiple vortex beams, exhibit rich and complex topological landscapes. However, unlike their periodic counterparts, they have far lacked the same level of controllability and reconfigurability.
Hao Wang +4 more
wiley +1 more source
Condensation and superfluidity of dilute Bose gases with finite-range interaction
New Journal of Physics, 2018 We investigate an ultracold and dilute Bose gas by taking into account a finite-range two-body interaction. The coupling constants of the resulting Lagrangian density are related to measurable scattering parameters by following the effective-field-theory
A Tononi, A Cappellaro, L Salasnich
doaj +1 more source
Using magnetic stripes to stabilize superfluidity in electron-hole double monolayer graphene
, 2015 Experiments have confirmed that double monolayer graphene cannot generate finite temperature electron-hole superfluidity. This has been shown to be due to very strong screening of the electron-hole pairing attraction.
Covaci, Lucian +3 more
core +1 more source