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We analyze the magnetic-field profiles H_z(x) at the upper (lower) surface of a superconducting strip in an external magnetic field, with z perpendicular to the plane of the strip and x along its width. The external magnetic field H_a is…

Superconductivity · Physics 2009-11-11 G. P. Mikitik , E. H. Brandt

The magnetization of the four-layer superconductor CuBa_{2}Ca_{3}Cu_4O_{12-\delta} with T_c\simeq117 K is presented. The high-field magnetization around T_c(H) follows the exact two-dimensional scaling function given by Te\v{s}anovi\'{c}…

Superconductivity · Physics 2009-10-31 Mun-Seog Kim , C. U. Jung , Sung-Ik Lee , A. Iyo

Motivated by the holographic prescriptions for computing entanglement entropy and complexity, we study the properties of volumes/areas of bulk surfaces. We obtain a simple formula for the shape dependence of holographic entanglement entropy…

High Energy Physics - Theory · Physics 2017-10-02 Dean Carmi

The nature of superconductivity and its interplay with strong spin-orbit coupling at the KTaO3(111) interfaces remains a subject of debate. To address this problem, we grew epitaxial LaMnO3/KTaO3(111) heterostructures. We show that…

We examine superconductivity in layered systems with large Fermi-surface splitting due to coexisting ferromagnetic layers. In particular, the hybrid ruthenate-cuprate compound RuSr_2GdCu_2O_8 is examined on the coexistence of the…

Superconductivity · Physics 2009-10-31 Hiroshi Shimahara , Satomi Hata

Predictions and discoveries of new phases of superfluid $^3$He in confined geometries, as well as novel topological excitations confined to surfaces and edges of near a bounding surface of $^3$He, are driving the fields of superfluid $^3$He…

Superconductivity · Physics 2013-11-19 J. J. Wiman , J. A. Sauls

We discuss the weak-coupling BCS theory of the heavy fermion superconductor UPt_3, accounting for that system's anisotropic, multisheeted Fermi surface by expanding the order parameter and pair potential in terms of appropriate basis…

Superconductivity · Physics 2007-05-23 G. Haran , P. J. Hirschfeld , M. Sigrist

It is shown here that surfaces of high-temperature superconductors are covered by dipole layers. The charge density modulation is induced by the local suppression of the gap function at the surface. This effect is studied in the framework…

Superconductivity · Physics 2009-10-30 Thorsten Emig , Kirill Samokhin , Stefan Scheidl

The effect of Pd doping on the superconducting phase diagram of the unconventional superconductor UPt3 has been measured by (magneto)resistance, specific heat, thermal expansion and magnetostriction. Experiments on single- and…

Superconductivity · Physics 2009-10-31 R. J. Keizer , A. de Visser , M. J. Graf , A. A. Menovsky , J. J. M. Franse

To investigate the interplay between charge density wave (CDW) and superconductivity, we performed ultralow-temperature spectroscopic-imaging scanning tunneling microscopy on the cleaved surface of the layered superconductor 2H-NbSe2. We…

Superconductivity · Physics 2026-02-16 Tetsuo Hanaguri

A nematic topological superconductor has an order parameter symmetry, which spontaneously breaks the crystalline symmetry in its superconducting state. This state can be observed, for example, by thermodynamic or upper critical field…

Recent theoretical and experimental research on low-bulk-pinning superconducting strips has revealed striking dome-like magnetic-field distributions due to geometrical edge barriers. The observed magnetic-flux profiles differ strongly from…

Superconductivity · Physics 2010-08-31 Andrey A. Elistratov , Denis Yu. Vodolazov , Igor L. Maksimov , John R. Clem

A multilayered structure with a single superconductor layer and a single insulator layer formed on a bulk superconductor is studied. General formulae for the vortex-penetration field of the superconductor layer and the magnetic field on the…

Accelerator Physics · Physics 2014-01-30 Takayuki Kubo , Yoshihisa Iwashita , Takayuki Saeki

We analytically sutdy the effect of external magnetic field in a Holographic superconductor by using Sturm-Liouville method. We estimate the coefficient of proportionality at critical temperature and find its denpendence on external…

High Energy Physics - Theory · Physics 2013-03-29 D. Momeni , Eiji Nakano , M. R. Setare , Wen-Yu Wen

Damping of rotational motion in superdeformed Hg and Dy-region nuclei is studied by means of cranked shell model diagonalization. It is shown that a shell oscillation in single-particle alignments affects significantly properties of…

Nuclear Theory · Physics 2009-10-31 K. Yoshida , M. Matsuo

Investigating the geometric effects resulting from the detailed behaviors of the confining potential, we consider square and circular confinements to constrain a particle to a space curve. We find a torsion-induced geometric potential and a…

Quantum Physics · Physics 2018-04-18 Yong-Long Wang , Meng-Yun Lai , Fan Wang , Hong-Shi Zong , Yan-Feng Chen

We performed $^{185/187}$Re nuclear quadrupole resonance (NQR) measurements under pressure to investigate the superconducting properties of noncentrosymmetric superconductor Cd$_{2}$Re$_{2}$O$_{7}$ under various crystal structures. The…

We study spin-fluctuation-mediated superconductivity in the one-band Hubbard model. Higher order effective interactions in $U$ give rise to a superconducting instability which is very sensitive to changes in the Fermi surface topology…

Superconductivity · Physics 2016-09-07 Andreas Kreisel , Astrid T. Roemer , Peter J. Hirschfeld , Brian M. Andersen

The three-dimensional Fermi surface morphology of superconducting BaFe_2(As_0.37}P_0.63)_2 with T_c=9K, is determined using the de Haas-van Alphen effect (dHvA). The inner electron pocket has a similar area and k_z interplane warping to the…

Superconductivity · Physics 2010-11-16 J. G. Analytis , J. -H. Chu , R. D. McDonald , S. C. Riggs , I. R. Fisher

Both Nb$_3$Pd$_x$Se$_7$ and Ta$_4$Pd$_3$Te$_{16}$ crystallize in a monoclinic point group while exhibiting superconducting transition temperatures as high as $T_c\sim 3.5$ and $\sim 4.7 $ K, respectively. Disorder was claimed to lead to the…

Superconductivity · Physics 2016-09-21 Q. R. Zhang , D. Rhodes , B. Zeng , M. D. Johannes , L. Balicas
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