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Cooling by Corralling: a Route to Ultra-low Entropies in Optical Lattices by Loh, Yen Lee is a scholarly article available to read on EtoBox.

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A major motivation for cold atom experiments is the search for quantum ground states such as antiferromagnets and d-wave superfluids. The primary obstacle to this task is the difficulty of cooling to sufficiently low temperatures. We propose a way to achieve very low temperatures and entropies ($\sim 0.03k_B$ per particle) by trapping fermions in a corral formed from another species of atoms. The Fermi system can then be used as a heat sink, or it can be adiabatically evolved into other desired states. In particular, we suggest methods for generating antiferromagnetism using this technique.

Author

Loh, Yen Lee

Published

2011

Language

EN