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Equilibrium First-Order Melting and Second-Order Glass Transitions of the Vortex Matter in BiSrCaCuO
H. Beidenkopf, N. Avraham, Y. Myasoedov +5
The thermodynamic phase diagram of BiSrCaCuO was mapped by measuring local \emph{equilibrium} magnetization in presence of vortex `shaking'. Two equa…
Sheet-current distribution in a dc SQUID washer probed by vortices
D. Doenitz, M. Ruoff, E. H. Brandt +3
We present a novel method, based on vortex imaging by low-temperature scanning electron microscopy (LTSEM), to directly image the sheet-current distribution in YBa2Cu3O7 dc SQUID w…
Response of thin-film SQUIDs to applied fields and vortex fields: Linear SQUIDs
John R. Clem, Ernst Helmut Brandt
In this paper we analyze the properties of a dc SQUID when the London penetration depth λis larger than the superconducting film thickness d. We present equations that govern the s…
Thin superconductors and SQUIDs in perpendicular magnetic field
Ernst Helmut Brandt
It is shown how the static and dynamic electromagnetic properties can be calculated for thin flat superconducting films of any shape and size, also multiply connected as used for S…
Anisotropic superconducting strip in an oblique magnetic field
E. H. Brandt, G. P. Mikitik
The critical state of a thin superconducting strip in an oblique applied magnetic field H_a is analyzed without any restrictions on the dependence of the critical current density j…
Asymmetry of magnetic-field profiles in superconducting strips
G. P. Mikitik, E. H. Brandt
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…