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21 papers · 1 filter
Numerical simulations of strongly correlated fermions confined in 1D optical lattices
Marcos Rigol, Alejandro Muramatsu
On the basis of quantum Monte Carlo (QMC) simulations we study the formation of Mott domains in the one-dimensional Hubbard model with an additional confining potential. We find ev…
Lieb-Thirring inequalities for higher order differential operators
Clemens Förster, Jörgen Östensson
We derive Lieb-Thirring inequalities for the Riesz means of eigenvalues of order gamma >= 3/4 for fourth order Schrödinger operators in arbitrary dimensions. We also consider some…
Solvent mediated interactions close to fluid-fluid phase separation: microscopic treatment of bridging in a soft core fluid
A. J. Archer, R. Evans, R. Roth +1
Using density functional theory we calculate the density profiles of a binary solvent adsorbed around a pair of big solute particles. All species interact via repulsive Gaussian po…
Effective capillary interaction of spherical particles at fluid interfaces
M. Oettel, A. Dominguez, S. Dietrich
We present a detailed analysis of the effective force between two smooth spherical colloids floating at a fluid interface due to deformations of the interface. The results hold in…
Calculation of the separation streamlines of barchans and transverse dunes
H. J. Herrmann, J. S. Andrade, V. Schatz +2
We use FLUENT to calculate the wind profile over barchans and transverse dunes. The form of the streamlines of flow separation at the lee side of the dunes is determined for a symm…
Fermionization in an expanding 1D gas of hard-core bosons
Marcos Rigol, Alejandro Muramatsu
We show by means of an exact numerical approach that the momentum distribution of a free expanding gas of hard-core bosons on a one-dimensional lattice approaches to the one of non…