Cooling toolbox for atoms in optical lattices

Abstract

We propose and analyze several schemes for cooling bosonic and fermionic atoms in an optical lattice potential close to the ground state of the no-tunnelling regime. Some of the protocols rely on the concept of algorithmic cooling, which combines occupation number filtering with ideas from ensemble quantum computation. We also design algorithms that create an ensemble of defect-free quantum registers. We study the efficiency of our protocols for realistic temperatures and in the presence of a harmonic confinement. We also propose an incoherent physical implementation of filtering which can be operated in a continuous way.

14 pages, 13 figures

References in corpus (5)

• Matrix Product Density Operators: Simulation of finite-T and dissipative systems
• Molecules of Fermionic Atoms in an Optical Lattice
• Implementation of Spin Hamiltonians in Optical Lattices
• Atomic quantum simulator for lattice gauge theories and ring exchange models
• Spin dynamics for bosons in an optical lattice

Cited by in corpus (9)

• Ultracold atomic gases in optical lattices: mimicking condensed matter physics and beyond
• Entanglement in continuous variable systems: Recent advances and current perspectives
• Monte Carlo study of two-dimensional Bose-Hubbard model
• Optical lattice quantum Hall effect
• The efficiencies of generating cluster states with weak non-linearities
• Dissipative dynamics of atomic Hubbard models coupled to a phonon bath: Dark state cooling of atoms within a Bloch band of an optical lattice
• Dipole oscillations of confined lattice bosons in one dimension
• Initializing a Quantum Register from Mott Insulator States in Optical Lattices
• Cooling ultracold bosons in optical lattices by spectral transform