{"id":160,"date":"2004-01-30T12:35:10","date_gmt":"2004-01-30T16:35:10","guid":{"rendered":"http:\/\/blogs.law.harvard.edu\/rihlib\/2004\/01\/30\/new-state-of-matter\/"},"modified":"2012-05-07T15:33:42","modified_gmt":"2012-05-07T19:33:42","slug":"new-state-of-matter","status":"publish","type":"post","link":"https:\/\/archive.blogs.harvard.edu\/rihlib\/2004\/01\/30\/new-state-of-matter\/","title":{"rendered":"New state of matter"},"content":{"rendered":"<p><a name='a70'><\/a><\/p>\n<p>Scientists at NIST and Colorado announced that they observed a new<br \/>\nstate of matter this week. From the news release: &#8220;In<br \/>\nthe current experiment, a gas of 500,000 potassium atoms was cooled to<br \/>\ntemperatures below 50 billionths of a degree Celsius above absolute<br \/>\nzero (minus 459 degrees Fahrenheit) and then a magnetic field was<br \/>\napplied near a special &#8220;resonance&#8221; strength. This magnetic field coaxed<br \/>\nthe fermion atoms to match up into pairs, akin to the pairs of<br \/>\nelectrons that produce superconductivity, the phenomenon in which<br \/>\nelectricity flows with no resistance. The Jin group detected this<br \/>\npairing and the formation of a fermionic condensate for the first time<br \/>\non Dec. 16, 2003.&#8221;<\/p>\n<p>The experiment is published in the <a href=\"http:\/\/link.aps.org\/abstract\/PRL\/v92\/e040403\">Jan. 30th issue of Physical Review Letters<\/a>.<\/p>\n<p>Update: See also an excellent <a href=\"http:\/\/www.aip.org\/enews\/physnews\/2004\/split\/671-1.html\">Physics News Update<\/a> discussion that explains developments in the field that made the experiment possible.<\/p>\n<p>Update (2\/11\/04): Dr. Deborah Jin, who made the experiments,&nbsp;<br \/>\nwill&nbsp; speak at Harvard on Wednesday, February 18, 2004, 4:30 p.m.<br \/>\nat the Joint Atomic Physics Seminar, <br \/>\nJefferson Laboratory, Room 256, &#8220;Making Condensates with a Fermi Gas of Atoms.&#8221;<\/p>\n<p>Update (3\/3\/04); The research is profiled in <a href=\"http:\/\/physicsweb.org\/article\/world\/17\/3\/3\">PhysicsWorld<\/a>, with speculation on future directions.&nbsp; <\/p>\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Scientists at NIST and Colorado announced that they observed a new state of matter this week. From the news release: &#8220;In the current experiment, a gas of 500,000 potassium atoms was cooled to temperatures below 50 billionths of a degree Celsius above absolute zero (minus 459 degrees Fahrenheit) and then a magnetic field was applied [&hellip;]<\/p>\n","protected":false},"author":1077,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1379],"tags":[],"class_list":["post-160","post","type-post","status-publish","format-standard","hentry","category-science-news"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/archive.blogs.harvard.edu\/rihlib\/wp-json\/wp\/v2\/posts\/160","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/archive.blogs.harvard.edu\/rihlib\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/archive.blogs.harvard.edu\/rihlib\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/archive.blogs.harvard.edu\/rihlib\/wp-json\/wp\/v2\/users\/1077"}],"replies":[{"embeddable":true,"href":"https:\/\/archive.blogs.harvard.edu\/rihlib\/wp-json\/wp\/v2\/comments?post=160"}],"version-history":[{"count":1,"href":"https:\/\/archive.blogs.harvard.edu\/rihlib\/wp-json\/wp\/v2\/posts\/160\/revisions"}],"predecessor-version":[{"id":823,"href":"https:\/\/archive.blogs.harvard.edu\/rihlib\/wp-json\/wp\/v2\/posts\/160\/revisions\/823"}],"wp:attachment":[{"href":"https:\/\/archive.blogs.harvard.edu\/rihlib\/wp-json\/wp\/v2\/media?parent=160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/archive.blogs.harvard.edu\/rihlib\/wp-json\/wp\/v2\/categories?post=160"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/archive.blogs.harvard.edu\/rihlib\/wp-json\/wp\/v2\/tags?post=160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}