Search Results - "Kleiner, R."

Coupling ultracold atoms to a superconducting coplanar waveguide resonator by Hattermann, H., Bothner, D., Ley, L. Y., Ferdinand, B., Wiedmaier, D., Sárkány, L., Kleiner, R., Koelle, D., Fortágh, J.

“…Ensembles of trapped atoms interacting with on-chip microwave resonators are considered as promising systems for the realization of quantum memories, novel…”
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Current-Phase Relation of Ballistic Graphene Josephson Junctions by Nanda, G, Aguilera-Servin, J. L, Rakyta, P, Kormányos, A, Kleiner, R, Koelle, D, Watanabe, K, Taniguchi, T, Vandersypen, L. M. K, Goswami, S

“…The current-phase relation (CPR) of a Josephson junction (JJ) determines how the supercurrent evolves with the superconducting phase difference across the…”
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Quantitative nanoscale vortex imaging using a cryogenic quantum magnetometer by Thiel, L., Rohner, D., Ganzhorn, M., Appel, P., Neu, E., Müller, B., Kleiner, R., Koelle, D., Maletinsky, P.

“…High-spatial-resolution magnetometry at cryogenic temperature can be achieved with nitrogen–vacancy centres, allowing detailed imaging of Pearl vortices in the…”
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Experimental evidence of a φ Josephson junction by Sickinger, H, Lipman, A, Weides, M, Mints, R G, Kohlstedt, H, Koelle, D, Kleiner, R, Goldobin, E

“…We demonstrate experimentally the existence of Josephson junctions having a doubly degenerate ground state with an average Josephson phase ψ=±φ. The value of φ…”
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Coherent terahertz emission of intrinsic Josephson junction stacks in the hot spot regime [corrected] by Wang, H B, Guénon, S, Gross, B, Yuan, J, Jiang, Z G, Zhong, Y Y, Grünzweig, M, Iishi, A, Wu, P H, Hatano, T, Koelle, D, Kleiner, R

“…We report on THz emission measurements and low temperature scanning laser imaging of Bi2Sr2CaCu2O8 intrinsic Josephson junction stacks. Coherent emission is…”
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High-Q Magnetic Levitation and Control of Superconducting Microspheres at Millikelvin Temperatures by Hofer, J, Gross, R, Higgins, G, Huebl, H, Kieler, O F, Kleiner, R, Koelle, D, Schmidt, P, Slater, J A, Trupke, M, Uhl, K, Weimann, T, Wieczorek, W, Aspelmeyer, M

“…We report the levitation of a superconducting lead-tin sphere with 100  μm diameter (corresponding to a mass of 5.6  μg) in a static magnetic trap formed by…”
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Josephson junction with a magnetic-field tunable ground state by Goldobin, E, Koelle, D, Kleiner, R, Mints, R G

“…We consider an asymmetric 0-π Josephson junction consisting of 0 and π regions of different lengths L(0) and L(π). As predicted earlier this system can be…”
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Electron sampling depth and saturation effects in perovskite films investigated by soft x-ray absorption spectroscopy by Ruosi, A., Raisch, C., Verna, A., Werner, R., Davidson, B. A., Fujii, J., Kleiner, R., Koelle, D.

“…Knowledge of the electron sampling depth is important for quantitative analysis of x-ray absorption spectroscopy data, yet for oxides with the perovskite…”
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NanoSQUID Magnetometry on Individual As-grown and Annealed Co Nanowires at Variable Temperature by Martínez-Pérez, M. J, Pablo-Navarro, J, Müller, B, Kleiner, R, Magén, C, Koelle, D, de Teresa, J. M, Sesé, J

“…Performing magnetization studies on individual nanoparticles is a highly demanding task, especially when measurements need to be carried out under large…”
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Magnetic hysteresis effects in superconducting coplanar microwave resonators by Bothner, D., Gaber, T., Kemmler, M., Koelle, D., Kleiner, R., Wünsch, S., Siegel, M.

“…We performed transmission spectroscopy experiments on coplanar half-wavelength niobium resonators at temperature T = 4.2 K. We observe not only a strong…”
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Hot spots and waves in Bi2Sr2CaCu2O8 intrinsic Josephson junction stacks: a study by low temperature scanning laser microscopy by Wang, H B, Guénon, S, Yuan, J, Iishi, A, Arisawa, S, Hatano, T, Yamashita, T, Koelle, D, Kleiner, R

“…Recently, it has been shown that large stacks of intrinsic Josephson junctions in Bi2Sr2CaCu2O8 emit synchronous THz radiation, the synchronization presumably…”
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Anomalous Josephson effect controlled by an Abrikosov vortex by Mironov, Sergei V., Goldobin, E., Koelle, D., Kleiner, R., Tamarat, Philippe, Lounis, Brahim, Buzdin, A.

“…The possibility of a fast and precise Abrikosov vortex manipulation by a focused laser beam opens the way to create laser-driven Josephson junctions. We…”
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Reversal mechanism of an individual Ni nanotube simultaneously studied by torque and SQUID magnetometry by Buchter, A, Nagel, J, Rüffer, D, Xue, F, Weber, D P, Kieler, O F, Weimann, T, Kohlmann, J, Zorin, A B, Russo-Averchi, E, Huber, R, Berberich, P, Fontcuberta i Morral, A, Kemmler, M, Kleiner, R, Koelle, D, Grundler, D, Poggio, M

“…Using an optimally coupled nanometer-scale SQUID, we measure the magnetic flux originating from an individual ferromagnetic Ni nanotube attached to a Si…”
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0-pi Josephson tunnel junctions with ferromagnetic barrier by Weides, M, Kemmler, M, Kohlstedt, H, Waser, R, Koelle, D, Kleiner, R, Goldobin, E

“…We fabricated high quality Nb/Al2O3/Ni(0.6)Cu(0.4)/Nb superconductor-insulator-ferromagnet-superconductor Josephson tunnel junctions. Using a ferromagnetic…”
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Observation of negative absolute resistance in a Josephson junction by Nagel, J, Speer, D, Gaber, T, Sterck, A, Eichhorn, R, Reimann, P, Ilin, K, Siegel, M, Koelle, D, Kleiner, R

“…We experimentally demonstrate the occurrence of negative absolute resistance (NAR) up to about -1 Omega in response to an externally applied dc current for a…”
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Quantitative nanoscale vortex imaging using a cryogenic quantum magnetometer by Thiel, L., Rohner, D., Ganzhorn, M., Appel, P., Neu, E., Müller, B., Kleiner, R., Koelle, D., Maletinsky, P.

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Phase retrapping in a pointlike φ Josephson junction: the butterfly effect by Goldobin, E, Kleiner, R, Koelle, D, Mints, R G

“…We consider a φ Josephson junction, which has a bistable zero-voltage state with the stationary phases ψ = ±φ. In the nonzero voltage state the phase "moves"…”
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THz Properties of He-FIB YBa2Cu3O7-x Josephson Junctions by Propper, M, Hanisch, D, Schmid, C, Ritter, P J, Neumann, M, Goldobin, E, Koelle, D, Kleiner, R, Schilling, M, Hampel, B

“…Josephson junctions with customizable parameters, including critical current [Formula Omitted]c and normal state resistance [Formula Omitted]n, hold great…”
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Superconducting quantum interference devices: State of the art and applications by Kleiner, R., Koelle, D., Ludwig, F., Clarke, J.

“…Superconducting quantum interference devices (SQUIDs) are sensitive detectors of magnetic flux. A SQUID consists of a superconducting loop interrupted by…”
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Terahertz emission and detection both based on high- Tc superconductors: Towards an integrated receiver by An, D. Y., Yuan, J., Kinev, N., Li, M. Y., Huang, Y., Ji, M., Zhang, H., Sun, Z. L., Kang, L., Jin, B. B., Chen, J., Li, J., Gross, B., Ishii, A., Hirata, K., Hatano, T., Koshelets, V. P., Koelle, D., Kleiner, R., Wang, H. B., Xu, W. W., Wu, P. H.

“…We have combined a stand-alone Bi2Sr2CaCu2O8 intrinsic Josephson junction stack, emitting terahertz radiation, with a YBa2Cu3O7 grain boundary Josephson…”
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