Results 21 to 30 of about 33,900 (299)

Probing chiral superconductivity in Sr2RuO4 underneath the surface by point contact measurements

New Journal of Physics, 2017
Sr _2 RuO _4 (SRO) is the prime candidate for a chiral p-wave superconductor with critical temperature ${T}_{{\rm{c}}}(\mathrm{SRO})\sim 1.5$ K. Chiral domains with opposite chiralities ${p}_{x}\pm {{\rm{i}}{p}}_{y}$ have been proposed, but are yet to be
He Wang, Jiawei Luo, Weijian Lou, J E Ortmann, Z Q Mao, Y Liu, Jian Wei   +6 more
doaj   +1 more source

De-pinning of disordered bosonic chains

New Journal of Physics, 2016
We consider onset of transport (de-pinning) in one-dimensional bosonic chains with a repulsive boson–boson interaction that decays exponentially on large length-scales. Our study is relevant for (i) de-pinning of Cooper-pairs in Josephson junction arrays;
N Vogt, J H Cole, A Shnirman
doaj   +1 more source

Continuous Gravitational Wave Emissions from Neutron Stars with Pinned Superfluids in the Core

Universe, 2022
We investigate the effect of a pinned superfluid component on the gravitational wave emissions of a rotating neutron star. The pinning of superfluid vortices to the flux-tubes in the outer core (where the protons are likely to form a type-II ...
Brynmor Haskell, Marco Antonelli, Pierre Pizzochero   +2 more
doaj   +1 more source

History effect in inhomogeneous superconductors

, 2002
A model was proposed to account for a new kind of history effect in the transport measurement of a sample with inhomogeneous flux pinning coupled with flux creep. The inhomogeneity of flux pinning was described in terms of alternating weak pinning (lower
A.A. Zhukov, A.I. Larkin, D.S. Fisher, G. Blatter, H. Safar, J. Mannhart, L.P. Ma, M.V. Feigel’man, P. Ušák, P. Zhang, Ph. Vanderbemden, R. Wördenweber, R. Wördenweber, S. Bhattacharya, S. Kokkaliaris, S.O. Valenzuela, S.S. Banerjee, S.S. Banerjee, S.S. Banerjee, S.Y. Ding, S.Y. Ding, V.M. Vinokur, W. Henderson, Y. Paltiel, Y.H. Zhang, Y.H. Zhang, Z.L. Xiao   +26 more
core   +1 more source

Surface flux pinning in superconducting amorphous (Mo0.6Ru0.4)B18 [PDF]

, 1982
Superconducting critical current density was measured as a function of a perpendicular applied magnetic field in glassy (Mo0.6Ru0.4)82B18. The pinning force density was observed to depend linearly on 1/w, where w is the sample width measured ...
Clemens, B. M., Johnson, W. L.
core   +1 more source

Flux pattern transitions in the intermediate state of a type-I superconductor driven by an ac field

New Journal of Physics, 2013
The intermediate state of a type-I superconductor Pb film is studied by a scanning Hall probe and scanning ac-susceptibility microscopies under static and oscillating applied magnetic fields.
J Ge, J Gutierrez, B Raes, J Cuppens, V V Moshchalkov   +4 more
doaj   +1 more source

Flux pinning and phase separation in oxygen rich La2-xSrxCuO4+y system

, 2008
We have studied the magnetic characteristics of a series of super-oxygenated La2-xSrxCuO4+y samples. As shown in previous work, these samples spontaneously phase separate into an oxygen rich superconducting phase with a TC near 40 K and an oxygen poor ...
B. O. Wells, C. Panagopoulos, Ch. Niedermayer, D. C. Johnston, F. C. Chou, Hashini E. Mohottala, J. I. Budnick, V. J. Emery, W. A. Hines   +8 more
core   +1 more source

Enhanced 77 K vortex-pinning in Y Ba2Cu3O7−x films with Ba2Y TaO6 and mixed Ba2Y TaO6 + Ba2Y NbO6 nano-columnar inclusions with irreversibility field to 11 T

APL Materials, 2016
Pulsed laser deposited thin Y Ba2Cu3O7−x (YBCO) films with pinning additions of 5 at. % Ba2Y TaO6 (BYTO) were compared to films with 2.5 at. % Ba2Y TaO6 + 2.5 at. % Ba2Y NbO6 (BYNTO) additions.
F. Rizzo, A. Augieri, A. Angrisani Armenio, V. Galluzzi, A. Mancini, V. Pinto, A. Rufoloni, A. Vannozzi, M. Bianchetti, A. Kursumovic, J. L. MacManus-Driscoll, A. Meledin, G. Van Tendeloo, G. Celentano   +13 more
doaj   +1 more source

Enhancing the critical current in quasiperiodic pinning arrays below and above the matching magnetic flux

, 2010
Quasiperiodic pinning arrays, as recently demonstrated theoretically and experimentally using a five-fold Penrose tiling, can lead to a significant enhancement of the critical current Ic as compared to "traditional" regular pinning arrays. However, while
Bothner, D., Kemmler, M., Kleiner, R., Koelle, D., Misko, V. R., Nori, Franco, Peeters, F. M.   +6 more
core   +1 more source

Flux flow and pinning of the vortex sheet structure in a two-component superconductor

, 2004
A simulation study using the time-dependent Ginzburg-Landau theory is performed for the vortex state in two-component superconductors, such as PrOs_4_Sb_12_. We investigate the flux flow and the pinning of the vortex sheet structure.
Kazushige Machida, M. Takigawa, Masanori Ichioka, Yasushi Matsunaga   +3 more
core   +1 more source