Search Results - "Zimanyi, G. T"

Coercivity enhancement in Ce-Fe-B based magnets by core-shell grain structuring by Ito, M., Yano, M., Sakuma, N., Kishimoto, H., Manabe, A., Shoji, T., Kato, A., Dempsey, N. M., Givord, D., Zimanyi, G. T.

“…Ce-based R2Fe14B (R= rare-earth) nano-structured permanent magnets consisting of (Ce,Nd)2Fe14B core-shell grains separated by a non-magnetic grain boundary…”
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Anisotropy dependence of irreversible switching in Fe∕SmCo and FeNi∕FePt exchange spring magnet films by Davies, Joseph E., Hellwig, Olav, Fullerton, Eric E., Jiang, J. S., Bader, S. D., Zimányi, G. T., Liu, Kai

“…Magnetization reversal in exchange-spring magnet films has been investigated by a first-order reversal curve (FORC) technique and vector magnetometry. In…”
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Dislocation glasses: aging during relaxation and coarsening by Bakó, B, Groma, I, Györgyi, G, Zimányi, G T

“…The dynamics of dislocations is reported to exhibit a range of glassy properties. We study numerically various versions of 2D edge dislocation systems, in the…”
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Reversal-field memory in the hysteresis of spin glasses by Katzgraber, H G, Pázmándi, F, Pike, C R, Liu, Kai, Scalettar, R T, Verosub, K L, Zimányi, G T

“…We report a novel singularity in the hysteresis of spin glasses, the reversal-field memory effect, which creates a nonanalyticity in the magnetization curves…”
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Static and dynamic coupling transitions of vortex lattices in disordered anisotropic superconductors by Olson, C J, Zimányi, G T, Kolton, A B, Grønbech-Jensen, N

“…We use three-dimensional molecular dynamics simulations of magnetically interacting pancake vortices to study vortex matter in disordered, highly anisotropic…”
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Using hysteresis for optimization by Zaránd, G, Pázmándi, F, Pál, K F, Zimányi, G T

“…We propose a new optimization method based on a demagnetization procedure well known in magnetism. We show how this procedure can be applied as a general tool…”
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Supersolids in the Bose-Hubbard Hamiltonian by Batrouni, GG, Scalettar, RT, Zimanyi, GT, Kampf, AP

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Fingerprinting hysteresis by Katzgraber, Helmut G., Friedman, Gary, Zimányi, G.T.

“…We test the predictive power of first-order reversal curve (FORC) diagrams using simulations of random magnets. In particular, we compute a histogram of the…”
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Metastability and uniqueness of vortex states at depinning by Chandran, Mahesh, Scalettar, R T, Zimányi, G T

“…We present results from numerical simulations of the transport of vortices in the zero-field-cooled (ZFC) and the field-cooled (FC) state of a type-II…”
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Superconductivity from predominantly repulsive interactions in quasi one-dimensional systems by ZIMANYI, G. T, KIVELSON, S. A, LUTHER, A

“…It is shown that for a one-dimensional electron gas with strong repulsive electron-electron interactions and a weak retarded attractive interaction,…”
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Vertically graded anisotropy in Co/Pd multilayers by Kirby, B. J., Davies, J. E., Liu, Kai, Watson, S. M., Zimanyi, G. T., Shull, R. D., Kienzle, P. A., Borchers, J. A.

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Simultaneous diagonal and off-diagonal order in the Bose-Hubbard Hamiltonian by Scalettar, RT, Batrouni, GG, Kampf, AP, Zimanyi, GT

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Shapiro steps in driven vortex lattices interacting with periodic pinning arrays by Reichhardt, C, Scalettar, R.T, Zimányi, G.T, Grønbech-Jensen, N

“…We examine the effects of DC and AC driving on vortex lattices in periodic pinning arrays for a system containing twice as many vortices as pinning sites. The…”
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Vortices freeze like window glass: the vortex molasses scenario by Reichhardt, C, van Otterlo A, Zimanyi, GT

“…We overview several recent experimental and numerical observations, which are at odds with the vortex glass theory of the freezing of disordered vortex matter…”
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Enhanced critical currents in high-temperature superconductors with splayed pins by Olson, C.J, Scalettar, R.T, Zimányi, G.T

“…Using realistic three-dimensional computer simulations, we consider the effects of point, columnar, and splayed columnar pinning on vortex transport. We find…”
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Dynamical Phases of Driven Vortex Systems by Moon, K, Scalettar, RT, Zimányi, GT

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Theory of a two-level system strongly interacting with a degenerate Fermi gas by VLADAR, K, ZIMANYI, G. T, ZAWADOWSKI, A

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Localization in interacting, disordered, bose systems by SCALETTAR, R. T, BATROUNI, G. G, ZIMANYI, G. T

“…We use quantum Monte Carlo techniques to study a one-dimensional, disordered, interacting, Bose Hamiltonian. The effect of disorder on the Mott-insulator…”
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Multiscale model approaches to the design of advanced permanent magnets by Westmoreland, S.C., Evans, R.F.L., Hrkac, G., Schrefl, T., Zimanyi, G.T., Winklhofer, M., Sakuma, N., Yano, M., Kato, A., Shoji, T., Manabe, A., Ito, M., Chantrell, R.W.

“…We describe the process of multiscale modelling of magnetic materials, based on atomistic models coupled parametrically to micromagnetic calculations. At the…”
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Superconducting single-charge transistor in a tunable dissipative environment by Wilhelm, F K, Schön, G, Zimányi, G T

“…We study a superconducting single-charge transistor, where the coherence of Cooper pair tunneling is destroyed by the coupling to a tunable dissipative…”
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