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Convergence rate of dimension reduction in Bose-Einstein condensates
Weizhu Bao, Yunyi Ge, Dieter Jaksch +2
In this paper, we study dimension reduction of the three-dimensional (3D) Gross-Pitaevskii equation (GPE) modelling Bose-Einstein condensation under different limiting interaction…
Entanglement fidelity of quantum memories
K. Surmacz, J. Nunn, F. C. Waldermann +3
We introduce a figure of merit for a quantum memory which measures the preservation of entanglement between a qubit stored in and retrieved from the memory and an auxiliary qubit.…
Dark state cooling of atoms by superfluid immersion
A. Griessner, A. J. Daley, S. R. Clark +2
We propose and analyse a scheme to cool atoms in an optical lattice to ultra-low temperatures within a Bloch band, and away from commensurate filling. The protocol is inspired by i…
Generation of twin Fock states via transition from a two-component Mott insulator to a superfluid
M. Rodríguez, S. R. Clark, D. Jaksch
We propose the dynamical creation of twin Fock states, which exhibit Heisenberg limited interferometric phase sensitivities, in an optical lattice. In our scheme a two-component Mo…
Modematching an optical quantum memory
J Nunn, I A Walmsley, M G Raymer +4
We analyse the off-resonant Raman interaction of a single broadband photon, copropagating with a classical `control' pulse, with an atomic ensemble. It is shown that the classical…
High field fractional quantum Hall effect in optical lattices
R. N. Palmer, D. Jaksch
We consider interacting bosonic atoms in an optical lattice subject to a large simulated magnetic field. We develop a model similar to a bilayer fractional quantum Hall system vali…