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6 papers · 2 filters
Efficient tight-binding Monte Carlo structural sampling of complex materials
Parthapratim Biswas, G. T. Barkema, Normand Mousseau +1
While recent work towards the development of tight-binding and ab-initio algorithms has focused on molecular dynamics, Monte Carlo methods can often lead to better results with rel…
Quantum phases in an optical lattice
D. van Oosten, P. van der Straten, H. T. C. Stoof
We present the zero-temperature phase diagram of bosonic atoms in an optical lattice, using two different mean-field approaches. The phase diagram consists of various insulating ph…
Explosion of a collapsing Bose-Einstein condensate
R. A. Duine, H. T. C. Stoof
We show that elastic collisions between atoms in a Bose-Einstein condensate with attractive interactions lead to an explosion that ejects a large fraction of the collapsing condens…
Symmetry effects and equivalences in lattice models of hydrophobic interaction
G. M. Schütz, I. Ispolatov, G. T. Barkema +1
We establish the equivalence of a recently introduced discrete model of the hydrophobic interaction, as well as its extension to continuous state variables, with the Ising model in…
Bluff your way in the second law of thermodynamics
Jos Uffink
The aim of this article is to analyze the relation between the second law of thermodynamics and the so-called arrow of time. For this purpose, a number of different aspects in this…
Condensate growth in trapped Bose gases
M. J. Bijlsma, E. Zaremba, H. T. C. Stoof
We study the dynamics of condensate formation in an inhomogeneous trapped Bose gas with a positive interatomic scattering length. We take into account both the nonequilibrium kinet…