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Prandtl number effects in MRT Lattice Boltzmann models for shocked and unshocked compressible fluids
lattice Boltzmann method compressible flows multiple-relaxation-time Prandtl number shock wave reaction
2011/9/9
For compressible fluids under shock wave reaction, we have proposed two Multiple-Relaxation-Time (MRT) Lattice Boltzmann (LB) models [F. Chen, et al, EPL 90 (2010) 54003; Phys. Lett. A 375 (2011) 2129...
Chiral symmetry breaking revisited: the gap equation with lattice ingredients
Chiral symmetry breaking revisited the gap equation lattice ingredients
2010/12/27
We study chiral symmetry breaking in QCD, using as ingredients in the quark gap equation recent lattice results for the gluon and ghost propagators. The Ansatz employed for the quark-gluon vertex is ...
Variational cluster approach for strongly-correlated lattice bosons in the superfluid phase
Variational cluster approach strongly-correlated lattice bosons the superfluid phase
2010/11/11
We extend the variational cluster approach to deal with strongly-correlated lattice bosons in the superfluid phase. To this end, we reformulate the approach within a pseudoparticle formalism, whereby ...
Many-body spin interactions and the ground state of a dense Rydberg lattice gas
Many-body spin interactions ground state dense Rydberg lattice gas
2010/11/11
We study a one-dimensional atomic lattice gas in which Rydberg atoms are excited by a laser and whose external dynamics is frozen. We identify a parameter regime in which the Hamiltonian is well-appr...
Effective spin model for interband transport in a Wannier-Stark lattice system
Effective spin model interband transport Wannier-Stark lattice system
2010/10/29
We show that the interband dynamics in a tilted two-band Bose-Hubbard model can be reduced to an analytically accessible spin model in the case of resonant interband oscillations. This allows us to pr...
Tkachenko Modes of the Square Vortex Lattice in a two-component Bose-Einstein Condensate
Bose-Einstein condensate Square Vortex Lattice
2010/4/9
We study Tkachenko modes of the square vortex lattice of a two-component Bose-Einstein condensate (BEC) in the mean-field quantum Hall regime, considering the coupling of these modes with density exci...
Lattice Dynamical Calculations for the Co-Fe Alloys
Launay Angular force frequency distribution ion-ion intreactions
2010/4/15
Lattice dynamical calculations are performed on Co0.92-Fe0.08 alloy with fcc structure. The de Launay Angular force (DAF) model is used to represent the ion-ion intreactions, and the long-range ion-el...
Global Results in Space of Inter-Monomer Interactions for HP Lattice Model
Global Results Inter-Monomer Interactions HP Lattice Model
2010/4/15
Using the ground state candidates for Hydrophobic-Polar lattice model on a two dimensional square lattice, we exactly enumerate the native states of proteins with length up to 20 for a wide range of e...