{"id":283,"date":"2018-07-18T16:27:57","date_gmt":"2018-07-18T16:27:57","guid":{"rendered":"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/?page_id=283"},"modified":"2018-12-13T17:58:25","modified_gmt":"2018-12-13T17:58:25","slug":"unconventional-superconductivity","status":"publish","type":"page","link":"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/research\/unconventional-superconductivity\/","title":{"rendered":"Unconventional Superconductivity"},"content":{"rendered":"<p>Cryogenic magnetic microscopy is a very valuable tool in the study of unconventional superconductors (see Kirtley,\u00a0<a href=\"http:\/\/iopscience.iop.org\/article\/10.1088\/0034-4885\/73\/12\/126501\/meta\">Fundamental studies of superconductors using scanning magnetic imaging<\/a>, <em>Reports on Progress in Physics<\/em>, 2010).<\/p>\n<p>Scanning SQUID magnetometry and susceptometry have helped to elucidate the pairing symmetry in the high-Tc superconductor YBCO [<a href=\"https:\/\/journals.aps.org\/prl\/abstract\/10.1103\/PhysRevLett.73.593\">1<\/a>, <a href=\"https:\/\/www.nature.com\/articles\/373225a0\">2<\/a>], place limits on spin-charge separation in high-Tc superconductors [<a href=\"https:\/\/journals.aps.org\/prl\/abstract\/10.1103\/PhysRevLett.87.197002\">3<\/a>, <a href=\"https:\/\/www.nature.com\/articles\/414887a\">4<\/a>], place limits on time-reversal symmetry breaking in unconventional superconductors [<a href=\"https:\/\/journals.aps.org\/prb\/abstract\/10.1103\/PhysRevB.76.014526\">5<\/a>, <a href=\"https:\/\/journals.aps.org\/prb\/abstract\/10.1103\/PhysRevB.81.214501\">6<\/a>], and perform local measurements of diamagnetic susceptibility and critical temperature [<a href=\"https:\/\/journals.aps.org\/prl\/abstract\/10.1103\/PhysRevLett.103.127003\">7<\/a>,\u00a0<a href=\"https:\/\/journals.aps.org\/prb\/abstract\/10.1103\/PhysRevB.81.184513\">8<\/a>, <a href=\"https:\/\/journals.aps.org\/prl\/abstract\/10.1103\/PhysRevLett.106.067001\">9<\/a>, <a href=\"https:\/\/journals.aps.org\/prb\/abstract\/10.1103\/PhysRevB.85.224518\">10<\/a>, <a href=\"https:\/\/journals.aps.org\/prb\/abstract\/10.1103\/PhysRevB.94.174516\">11<\/a>, <a href=\"https:\/\/link.springer.com\/article\/10.1007\/s10948-018-4730-8\">12<\/a>, <a href=\"https:\/\/journals.aps.org\/prb\/abstract\/10.1103\/PhysRevB.98.014506\">13<\/a>, <a href=\"https:\/\/journals.aps.org\/prb\/abstract\/10.1103\/PhysRevB.98.094521\">14<\/a>].<\/p>\n<hr \/>\n<p>\u00a0<\/p>\n\n\n<ul class=\"wp-block-gallery aligncenter columns-1\"><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/domains_sto.png\"><img loading=\"lazy\" width=\"500\" height=\"154\" src=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/domains_sto.png\" alt=\"\" data-id=\"942\" data-link=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/research\/unconventional-superconductivity\/domains_sto\/\" class=\"wp-image-942\" srcset=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/domains_sto.png 500w, https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/domains_sto-300x92.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><figcaption>Spatially modulated critical temperature in doped strontium titanate.\u00a0<em>Phys. Rev. B<\/em> <strong>94<\/strong>, 174516 (2016).<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/stripes_lbco.png\"><img loading=\"lazy\" width=\"500\" height=\"299\" src=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/stripes_lbco.png\" alt=\"\" data-id=\"944\" data-link=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/research\/unconventional-superconductivity\/stripes_lbco\/\" class=\"wp-image-944\" srcset=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/stripes_lbco.png 500w, https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/stripes_lbco-300x179.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><figcaption>Spatially modulated diamagnetic susceptibility in thin film LBCO.\u00a0<em>Phys. Rev. B<\/em>\u00a098, 014506 (2018).<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/tc_sro.png\"><img loading=\"lazy\" width=\"500\" height=\"87\" src=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/tc_sro.png\" alt=\"\" data-id=\"946\" data-link=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/research\/unconventional-superconductivity\/tc_sro\/\" class=\"wp-image-946\" srcset=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/tc_sro.png 500w, https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/tc_sro-300x52.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><figcaption>Inhomogeneous critical temperature in strontium ruthenate.\u00a0<em>Phys. Rev. B<\/em>\u00a098, 094521 (2018).<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/twins_pnictide.png\"><img loading=\"lazy\" width=\"360\" height=\"500\" src=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/twins_pnictide.png\" alt=\"\" data-id=\"948\" data-link=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/research\/unconventional-superconductivity\/twins_pnictide\/\" class=\"wp-image-948\" srcset=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/twins_pnictide.png 360w, https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/twins_pnictide-216x300.png 216w\" sizes=\"(max-width: 360px) 100vw, 360px\" \/><\/a><figcaption>Modulated superfluid density in an iron-pnictide superconductor.\u00a0<em>Phys. Rev. B<\/em>\u00a0<strong>81<\/strong>, 184513 (2010).<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/vortices_tc-1024x241.png\"><img loading=\"lazy\" width=\"1024\" height=\"241\" src=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/vortices_tc-1024x241.png\" alt=\"\" data-id=\"968\" data-link=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/research\/unconventional-superconductivity\/vortices_tc\/\" class=\"wp-image-968\" srcset=\"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/vortices_tc-1024x241.png 1024w, https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/vortices_tc-300x71.png 300w, https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-content\/uploads\/2018\/12\/vortices_tc-768x181.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption>Inhomogeneous diamagnetic susceptibility in twinned YBCO near Tc.<\/figcaption><\/figure><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Cryogenic magnetic microscopy is a very valuable tool in the study of unconventional superconductors (see Kirtley,\u00a0Fundamental studies of superconductors using scanning magnetic imaging, Reports on Progress in Physics, 2010). Scanning SQUID magnetometry and susceptometry have helped to elucidate the pairing symmetry in the high-Tc superconductor YBCO [1, 2], place limits on spin-charge separation in high-Tc [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":127,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-json\/wp\/v2\/pages\/283"}],"collection":[{"href":"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-json\/wp\/v2\/comments?post=283"}],"version-history":[{"count":11,"href":"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-json\/wp\/v2\/pages\/283\/revisions"}],"predecessor-version":[{"id":976,"href":"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-json\/wp\/v2\/pages\/283\/revisions\/976"}],"up":[{"embeddable":true,"href":"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-json\/wp\/v2\/pages\/127"}],"wp:attachment":[{"href":"https:\/\/web.stanford.edu\/group\/moler\/cgi-bin\/home\/wp-json\/wp\/v2\/media?parent=283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}