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Showing 2001Show all

23 papers · 1 filter

cond-mat.supr-con2001★ 13 cited

Vortex states in a mesoscopic superconducting triangle

V. R. Misko, V. M. Fomin, J. T. Devreese +1

The set of the nonlinear Ginzburg-Landau equations is solved for an Al mesoscopic superconducting triangle of finite thickness. We calculate the distributions of the superconductin…

nlin.PS2001★ 7 cited

Spontaneous Branching of Anode-Directed Streamers between Planar Electrodes

Manuel Arrayas, Ute Ebert, Willem Hundsdorfer

Non-ionized media subject to strong fields can become locally ionized by penetration of finger-shaped streamers. We study negative streamers between planar electrodes in a simple d…

cond-mat.stat-mech2001★ 4 cited

Stationary Regime of Random Resistor Networks Under Biased Percolation

C. Pennetta, L. Reggiani, E. Alfinito +1

The state of a 2-D random resistor network, resulting from the simultaneous evolutions of two competing biased percolations, is studied in a wide range of bias values. Monte Carlo…

cond-mat.soft2001★ 456 cited

Inter-isotope determination of ultracold rubidium interactions from three high-precision experiments

E. G. M. van Kempen, S. J. J. M. F. Kokkelmans, D. J. Heinzen +1

Combining the measured binding energies of four of the most weakly bound rovibrational levels of the Rb molecule with the results of two other recent high-precision rubi…

cs.PL2001★ 18 cited

On termination of meta-programs

Alexander Serebrenik, Danny De Schreye

The term {\em meta-programming} refers to the ability of writing programs that have other programs as data and exploit their semantics. The aim of this paper is presenting a method…

cond-mat.stat-mech2001★ 7 cited

Numerical Determination of the Distribution of Energies for the XY-model

R. Salazar, R. Toral, A. R. Plastino

We compute numerically the distribution of energies W(E,N) for the XY-model with short-range and long-range interactions. We find that in both cases the distribution can be fitted…

cond-mat.stat-mech2001★ 3 cited

Ensemble equivalence for non-extensive thermostatistics

Raul Toral, Rafael Salazar

We compute the internal energy of different Ising type models, both long-range and short-range, under Tsallis statistics using the microcanonical and the canonical ensembles and we…

cond-mat.mes-hall2001★ 13 cited

Observation of the screening signature in the lateral photovoltage of electrons in the Quantum Hall regime

H. van Zalinge, B. Oezyilmaz, A. Boehm +3

The lateral photovoltage generated in the plane of a two-dimensional electron system (2DES) by a focused light spot, exhibits a fine-structure in the quantum oscillations in a magn…

physics.ins-det2001★ 1 cited

XML for Domain Viewpoints

F. van Lingen, R. McClatchey, P. v/d Stok +1

Within research institutions like CERN (European Organization for Nuclear Research) there are often disparate databases (different in format, type and structure) that users need to…

cond-mat.mtrl-sci2001★ 209 cited

Large magnetoresistance using hybrid spin filter devices

P. LeClair, J. K. Ha, H. J. M. Swagten +3

A magnetic "spin filter" tunnel barrier, sandwiched between a non-magnetic metal and a magnetic metal, is used to create a new magnetoresistive tunnel device, somewhat analogous to…

cond-mat.mtrl-sci2001★ 80 cited

Observation of band structure and density of states effects in Co-based magnetic tunnel junctions

P. LeClair, J. T. Kohlhepp, C. H. van de Vin +7

Utilizing Co/AlO/Co magnetic tunnel junctions (MTJs) with Co electrodes of different crystalline phases, a clear relationship between electrode structure and junction trans…

cond-mat.stat-mech2001★ 2 cited

Temperature Dependence of the Cyclotron Mass in n-Type CdS

J. T. Devreese, V. M. Fomin, V. N. Gladilin +2

Recent cyclotron resonance experiments in n-type CdS at ultra-high magnetic fields have revealed a pronounced maximum of the electron cyclotron mass as a function of temperature. I…

cond-mat.str-el2001★ 3 cited

Note on the Path-Integral Variational Approach in the Many-Body Theory

J. T. Devreese

I discuss how a variatonal approach can be extended to systems of identical particles (in particular fermions) within the path-integral treatment. The applicability of the many-bod…

cond-mat.stat-mech2001★ 1 cited

From Global to Local Fluctuation Theorems

Christian Maes, Frank Redig, Michel Verschuere

The Gallavotti-Cohen fluctuation theorem suggests a general symmetry in the fluctuations of the entropy production, a basic concept in the theory of irreversible processes, based o…

physics.atom-ph2001★ 10 cited

An intense, slow and cold beam of metastable Ne(3s) ^3P_2 atoms

J. G. C. Tempelaars, R. J. W. Stas, P. G. M. Sebel +2

We employ laser cooling to intensify and cool an atomic beam of metastable Ne(3s) atoms. Using several collimators, a slower and a compressor we achieve a ^{20}Ne^* flux of 6 10^{1…

physics.chem-ph2001★ 40 cited

Ten-dimensional wave packet simulations of methane scattering

R. Milot, A. P. J. Jansen

We present results of wavepacket simulations of scattering of an oriented methane molecule from a flat surface including all nine internal vibrations. At a translational energy up…

physics.chem-ph2001

Quantum and classical dynamics of methane scattering

Robin Milot

The dissociation of methane on transition metals is an important reaction in catalysis. It is the rate limiting step in steam reforming to produce syngas. Molecular beam experiment…

cond-mat2001★ 30 cited

Avalanches in a Bose-Einstein condensate

J. Schuster, A. Marte, S. Amtage +3

Collisional avalanches are identified to be responsible for an 8-fold increase of the initial loss rate of a large 87-Rb condensate. We show that the collisional opacity of an ultr…

math-ph2001★ 51 cited

Possible loss and recovery of Gibbsianness during the stochastic evolution of Gibbs measures

A. C. D. van Enter, R. Fernández, F. den Hollander +1

We consider Ising-spin systems starting from an initial Gibbs measure and evolving under a spin-flip dynamics towards a reversible Gibbs measure . Both and are…

physics.chem-ph2001★ 13 cited

Energy dissipation and scattering angle distribution analysis of the classical trajectory calculations of methane scattering from a Ni(111) surface

R. Milot, A. W. Kleyn, A. P. J. Jansen

We present classical trajectory calculations of the rotational vibrational scattering of a non-rigid methane molecule from a Ni(111) surface. Energy dissipation and scattering angl…

quant-ph2001★ 14 cited

Interpretations of quantum mechanics, and interpretations of violation of Bell's inequality

Willem M. de Muynck

The discussion of the foundations of quantum mechanics is complicated by the fact that a number of different issues are closely entangled. Three of these issues are i) the interpre…

cond-mat2001★ 61 cited

Antiferromagnetic Interlayer Coupling in Ferromagnetic Semiconductor EuS/PbS(001) Superlattices

H. Kepa, J. Kutner-Pielaszek, J. Blinowski +11

Antiferromagnetic coupling between ferromagnetic layers has been observed for the first time in all-semiconductor superlattice structure EuS/PbS(001), by neutron scattering and mag…

cond-mat.mes-hall2001★ 19 cited

Energy Spectrum of a Relativistic Two-dimensional Hydrogen-like Atom in a Constant Magnetic Field of arbitrary strength

V. M. Villalba, R. Pino

We compute, via a variational mixed-base method, the energy spectrum of a two dimensional relativistic atom in the presence of a constant magnetic field of arbitrary strength. The…