Search Results - "Schopohl, N."

Fermi surface topology and the upper critical field in two-band superconductors: application to MgB2 by Dahm, T, Schopohl, N

“…Recent measurements of the anisotropy of the upper critical field B(c2) on MgB2 single crystals have shown a puzzling strong temperature dependence. Here, we…”
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Strong surface contribution to the nonlinear Meissner effect in d-wave superconductors by Zare, A, Dahm, T, Schopohl, N

“…We demonstrate that in a d-wave superconductor the bulk nonlinear Meissner effect is dominated by a surface effect due to Andreev bound states at low…”
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Effect of surface Andreev bound states on the Bean-Livingston barrier in d-wave superconductors by Iniotakis, C, Dahm, T, Schopohl, N

“…We study the influence of surface Andreev bound states in d-wave superconductors on the Bean-Livingston surface barrier for entry of a vortex line into a…”
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Shadow on the wall cast by an Abrikosov vortex by GRASER, S, INIOTAKIS, C, DAHM, T, SCHOPOHL, N

“…At the surface of a d-wave superconductor, a zero-energy peak in the quasiparticle spectrum can be observed. This peak appears due to Andreev bound states and…”
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Local density of states at polygonal boundaries of d-wave superconductors by INIOTAKIS, C, GRASER, S, DAHM, T, SCHOPOHL, N

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High-performance magnetic field sensor based on superconducting quantum interference filters by Caputo, P., Oppenländer, J., Häussler, Ch, Tomes, J., Friesch, A., Träuble, T., Schopohl, N.

“…We have developed an absolute magnetic field sensor using a superconducting quantum interference filter (SQIF) made of high-Tc grain-boundary Josephson…”
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Phase diagram of the electron-doped La2-xCexCuO4 cuprate superconductor from Andreev bound states at grain boundary junctions by Wagenknecht, M, Koelle, D, Kleiner, R, Graser, S, Schopohl, N, Chesca, B, Tsukada, A, Goennenwein, S T B, Gross, R

“…We use quasiparticle tunneling across La2-xCexCuO4 grain boundary junctions to probe the superconducting state and its disappearance with increasing…”
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Influence of Fermi surface topology on the quasiparticle spectrum in the vortex state by Graser, S., Dahm, T., Schopohl, N.

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Superconducting quantum interference filters operated in commercial miniature cryocoolers by Oppenlaender, J., Haeussler, C., Friesch, A., Tomes, J., Caputo, P., Traeuble, T., Schopohl, N.

“…Superconducting Quantum Interference Filters (SQIF's) are multi-loop arrays of Josephson junctions possessing unconventional grating structures. The…”
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Cold Bose atoms around the crossing of quantum waveguides by Markowsky, A., Schopohl, N.

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Geometric \pi Josephson Junction: Current-Phase Relations and Critical Current by Gumann, A., Iniotakis, C., Schopohl, N.

“…Josephson junctions with an intrinsic phase shift of pi, so-called pi Josephson junctions, can be realized by a weak link of a d -wave superconductor with an…”
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Vortex core shrinkage in a two gap superconductor: Application to MgB2 by Graser, S., Gumann, A., Dahm, T., Schopohl, N.

“…As a model for the vortex core in MgB2 we study a two band model with a clean σ band and a dirty π band. We present calculations of the vortex core size in…”
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Defect core structure in nematic liquid crystals by SCHOPOHL, N, SLUCKIN, T. J

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Fermi surface topology and vortex state in MgB2 by Dahm, T., Graser, S., Schopohl, N.

“…Based on a detailed modeling of the Fermi surface topology of MgB2 we calculated the anisotropy of the upper critical field Bc2 within the two gap model. The…”
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Effects of magnetic field on two-dimensional superconducting quantum interference filters by Oppenländer, J., Caputo, P., Häussler, Ch, Träuble, T., Tomes, J., Friesch, A., Schopohl, N.

“…We present an experimental study of two-dimensional (2D) superconducting quantum interference filters (SQIFs) in the presence of a magnetic field B. Although…”
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Two-Tone Response in Superconducting Quantum Interference Filters by Caputo, P., Tomes, J., Oppenlander, J., Haussler, Ch, Trauble, T., Schopohl, N.

“…We successfully exploit the parabolic shape of the dc voltage output dip around B = 0 of a superconducting quantum interference filter (SQIF) to mix weak…”
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Highly sensitive magnetometers for absolute magnetic field measurements based on quantum interference filters by Oppenländer, J., Häussler, Ch, Träuble, T., Schopohl, N.

“…We present an experimental study on absolute field magnetometers based on superconducting quantum interference filters (SQIFs). Two different prototype SQIF…”
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Superconducting quantum interference filters as absolute magnetic field sensors by Caputo, P., Tomes, J., Oppenlander, J., Haussler, C., Friesch, A., Trauble, T., Schopohl, N.

“…We propose Superconducting Quantum Interference Filters (SQIFs) as high sensitive magnetic field detectors. The SQIF is made of high critical temperature grain…”
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T Dependence of the Magnetic Penetration Depth in Unconventional Superconductors at Low Temperatures: Can It Be Linear? by Schopohl, N., Dolgov, O. V.

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Superconducting multiple loop quantum interferometers by Oppenlander, J., Trauble, T., Haussler, C., Schopohl, N.

“…We present experimental results on the magnetic field B dependent voltage response V(B) of a number of N resistively shunted Josephson junctions connected in…”
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