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8 papers · 2 filters
Quasi-compactons and bistability in exciton-polariton condensates
Yaroslav V. Kartashov, Vladimir V. Konotop, Lluis Torner
We address stationary patterns in exciton-polariton condensates supported by a narrow external pump beam, and we discover that even in the absence of trapping potentials, such cond…
Phase diagram of quasi-two-dimensional bosons in laser speckle potential
G. E. Astrakharchik, K. V. Krutitsky, P. Navez
We have studied the phase diagram of a quasi-two-dimensional interacting Bose gas at zero temperature in the presence of random potential created by laser speckles. The superfluid…
Ground state properties and excitation spectrum of a two dimensional gas of bosonic dipoles
A. Macia, F. Mazzanti, J. Boronat
We present a quantum Monte Carlo study of two-dimensional dipolar Bose gases in the limit of zero temperature. The analysis is mainly focused on the anisotropy effects induced in t…
Quantum Monte Carlo study of spin-polarized deuterium
I. Beslic, L. Vranjes Markic, J. Casulleras +1
The ground state properties of spin-polarized deuterium (D) at zero temperature are obtained by means of the diffusion Monte Carlo calculations within the fixed-node ap…
Excitations and Stripe Phase Formation in a 2D Dipolar Bose Gas with Tilted Polarization
Adrian Macia, Diana Hufnagl, Ferran Mazzanti +2
We present calculations of the ground state and excitations of an anisotropic dipolar Bose gas in two dimensions, realized by a non-perpendicular polarization with respect to the s…
Stability of resonantly interacting heavy-light Fermi mixtures
G. E. Astrakharchik, S. Giorgini, J. Boronat
We investigate a two-component mixture of resonantly interacting Fermi gases as a function of the ratio κof the heavy to the light mass of the two species. The diffusion Monte Carl…