@article{
 title = {Discerning incompressible and compressible phases of cold atoms in optical lattices},
 type = {article},
 year = {2009},
 pages = {135302},
 volume = {102},
 websites = {http://dx.doi.org/10.1103/PhysRevLett.102.135302},
 month = {3},
 day = {31},
 id = {f4aaad76-1f64-3df0-ac35-f06343bb9a66},
 created = {2017-12-12T20:22:22.071Z},
 file_attached = {true},
 profile_id = {004c1ae0-7ed4-35f3-b39b-28665b4ab9a2},
 last_modified = {2019-12-04T20:11:32.169Z},
 read = {true},
 starred = {false},
 authored = {true},
 confirmed = {true},
 hidden = {false},
 citation_key = {Scarola2009},
 source_type = {JOUR},
 folder_uuids = {57d52dd9-09fc-4a98-a641-4768de6b0239},
 private_publication = {false},
 abstract = {Experiments with cold atoms trapped in optical lattices offer the potential to realize a variety of novel phases but suffer from severe spatial inhomogeneity that can obscure signatures of new phases of matter and phase boundaries. We use a high temperature series expansion to show that compressibility in the core of a trapped Fermi-Hubbard system is related to measurements of changes in double occupancy. This core compressibility filters out edge effects, offering a direct probe of compressibility independent of inhomogeneity. A comparison with experiments is made.},
 bibtype = {article},
 author = {Scarola, V. W. and Pollet, L. and Oitmaa, J. and Troyer, M.},
 doi = {10.1103/PhysRevLett.102.135302},
 journal = {Physical Review Letters},
 number = {13}
}

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