Interaction-induced chiral px ± ipy superfluid order of bosons in an optical lattice
The study of superconductivity with unconventional order is complicated in condensed matter systems by their extensive complexity. Optical lattices with their exceptional precision and control allow one to emulate superfluidity avoiding many of the complications of condensed matter. A promising appr...
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ftdoajarticles:oai:doaj.org/article:475ceef01ea044228cf790bd5447f392 2023-09-05T13:20:42+02:00 Interaction-induced chiral px ± ipy superfluid order of bosons in an optical lattice M Ölschläger T Kock G Wirth A Ewerbeck C Morais Smith A Hemmerich 2013-01-01T00:00:00Z https://doi.org/10.1088/1367-2630/15/8/083041 https://doaj.org/article/475ceef01ea044228cf790bd5447f392 EN eng IOP Publishing https://doi.org/10.1088/1367-2630/15/8/083041 https://doaj.org/toc/1367-2630 doi:10.1088/1367-2630/15/8/083041 1367-2630 https://doaj.org/article/475ceef01ea044228cf790bd5447f392 New Journal of Physics, Vol 15, Iss 8, p 083041 (2013) Science Q Physics QC1-999 article 2013 ftdoajarticles https://doi.org/10.1088/1367-2630/15/8/083041 2023-08-13T00:39:31Z The study of superconductivity with unconventional order is complicated in condensed matter systems by their extensive complexity. Optical lattices with their exceptional precision and control allow one to emulate superfluidity avoiding many of the complications of condensed matter. A promising approach to realize unconventional superfluid order is to employ orbital degrees of freedom in higher Bloch bands. In recent work, indications were found that bosons condensed in the second band of an optical chequerboard lattice might exhibit p _x ± i p _y order. Here we present experiments, which provide strong evidence for the emergence of p _x ± i p _y order driven by the interaction in the local p-orbitals. We compare our observations with a multi-band Hubbard model and find excellent quantitative agreement. Article in Journal/Newspaper IPY Directory of Open Access Journals: DOAJ Articles New Journal of Physics 15 8 083041 |
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Directory of Open Access Journals: DOAJ Articles |
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English |
topic |
Science Q Physics QC1-999 |
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Science Q Physics QC1-999 M Ölschläger T Kock G Wirth A Ewerbeck C Morais Smith A Hemmerich Interaction-induced chiral px ± ipy superfluid order of bosons in an optical lattice |
topic_facet |
Science Q Physics QC1-999 |
description |
The study of superconductivity with unconventional order is complicated in condensed matter systems by their extensive complexity. Optical lattices with their exceptional precision and control allow one to emulate superfluidity avoiding many of the complications of condensed matter. A promising approach to realize unconventional superfluid order is to employ orbital degrees of freedom in higher Bloch bands. In recent work, indications were found that bosons condensed in the second band of an optical chequerboard lattice might exhibit p _x ± i p _y order. Here we present experiments, which provide strong evidence for the emergence of p _x ± i p _y order driven by the interaction in the local p-orbitals. We compare our observations with a multi-band Hubbard model and find excellent quantitative agreement. |
format |
Article in Journal/Newspaper |
author |
M Ölschläger T Kock G Wirth A Ewerbeck C Morais Smith A Hemmerich |
author_facet |
M Ölschläger T Kock G Wirth A Ewerbeck C Morais Smith A Hemmerich |
author_sort |
M Ölschläger |
title |
Interaction-induced chiral px ± ipy superfluid order of bosons in an optical lattice |
title_short |
Interaction-induced chiral px ± ipy superfluid order of bosons in an optical lattice |
title_full |
Interaction-induced chiral px ± ipy superfluid order of bosons in an optical lattice |
title_fullStr |
Interaction-induced chiral px ± ipy superfluid order of bosons in an optical lattice |
title_full_unstemmed |
Interaction-induced chiral px ± ipy superfluid order of bosons in an optical lattice |
title_sort |
interaction-induced chiral px ± ipy superfluid order of bosons in an optical lattice |
publisher |
IOP Publishing |
publishDate |
2013 |
url |
https://doi.org/10.1088/1367-2630/15/8/083041 https://doaj.org/article/475ceef01ea044228cf790bd5447f392 |
genre |
IPY |
genre_facet |
IPY |
op_source |
New Journal of Physics, Vol 15, Iss 8, p 083041 (2013) |
op_relation |
https://doi.org/10.1088/1367-2630/15/8/083041 https://doaj.org/toc/1367-2630 doi:10.1088/1367-2630/15/8/083041 1367-2630 https://doaj.org/article/475ceef01ea044228cf790bd5447f392 |
op_doi |
https://doi.org/10.1088/1367-2630/15/8/083041 |
container_title |
New Journal of Physics |
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15 |
container_issue |
8 |
container_start_page |
083041 |
_version_ |
1776201336383078400 |