= Negative Absolute Temperature for Motional Degrees of Freedom by Simon Braun and others
{c}
{tag=Work by Simon Braun}
{title2=2013}
{title2=10.1126/science.1227831}
Science 339, 52. The original author arXiv record gives Simon Braun and collaborators, submitted 2 November 2012; the journal year is 2013.
https://arxiv.org/abs/1211.0545
https://doi.org/10.1126/science.1227831
Inspected original author abstract: tailored Bose-Hubbard Hamiltonian, attractively interacting ultracold bosons and sharp quasi-momentum peaks at the upper band edge. PDF retrieval timed out; only the verified abstract is used, with no uninspected apparatus details or historical-priority claims.
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