Antiferromagnetism with Ultracold Atoms

Bibliographic Details
Title: Antiferromagnetism with Ultracold Atoms
Authors: Hulet, Randall G., Duarte, Pedro M., Hart, Russell A., Yang, Tsung-Lin
Publication Year: 2015
Collection: Condensed Matter
Subject Terms: Condensed Matter - Quantum Gases, Condensed Matter - Strongly Correlated Electrons
More Details: We use ultracold spin--1/2 atomic fermions ($^6$Li) to realize the Hubbard model on a three-dimensional (3D) optical lattice. At relatively high temperatures and at densities near half-filling, we show that the gas forms a Mott insulator with unordered spins. To observe antiferromagnetic order that is predicted to occur at lower temperatures, we developed the compensated optical lattice method to evaporatively cool atoms in the lattice. This cooling has enabled the detection of short-range magnetic order by spin-sensitive Bragg scattering of light.
Comment: To be published in the Proceedings of the 22nd International Conference on Laser Spectroscopy (Singapore, 2015)
Document Type: Working Paper
Access URL: http://arxiv.org/abs/1512.05311
Accession Number: edsarx.1512.05311
Database: arXiv
More Details
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