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Showing 2010 · cond-mat.quant-gasShow all

15 papers · 2 filters

cond-mat.quant-gas2010★ 27 cited

A hexapole-compensated magneto-optical trap on a mesoscopic atom chip

Stefan Jöllenbeck, Jan Mahnke, Richard Randoll +3

Magneto-optical traps on atom chips are usually restricted to small atomic samples due to a limited capture volume caused primarily by distorted field configurations. Here we prese…

cond-mat.quant-gas2010★ 56 cited

A comparison between microscopic methods for finite temperature Bose gases

S. P. Cockburn, A. Negretti, N. P. Proukakis +1

We analyze the equilibrium properties of a weakly interacting, trapped quasi-one-dimensional Bose gas at finite temperatures and compare different theoretical approaches. We focus…

cond-mat.quant-gas2010★ 5 cited

Metastability in spin polarised Fermi gases and quasiparticle decays

Kayvan Sadeghzadeh, Georg Bruun, Carlos Lobo +2

We investigate the metastability associated with the first order transition from normal to superfluid phases in the phase diagram of two-component polarised Fermi gases.We begin by…

cond-mat.quant-gas2010★ 49 cited

Bosonic and fermionic dipoles on a ring

Sascha Zöllner, G. M. Bruun, C. J. Pethick +1

We show that dipolar bosons and fermions confined in a quasi-one-dimensional ring trap exhibit a rich variety of states because their interaction is inhomogeneous. For purely repul…

cond-mat.quant-gas2010★ 48 cited

Spin diffusion in Fermi gases

G. M. Bruun

We examine spin diffusion in a two-component homogeneous Fermi gas in the normal phase. Using a variational approach, analytical results are presented for the spin diffusion coeffi…

cond-mat.quant-gas2010★ 78 cited

Polarons and Molecules in a Two-Dimensional Fermi Gas

Sascha Zöllner, G. M. Bruun, C. J. Pethick

We study an impurity atom in a two-dimensional Fermi gas using variational wave functions for (i) an impurity dressed by particle-hole excitations (polaron) and (ii) a dimer consis…