{"id":405604,"date":"2017-05-08T02:00:00","date_gmt":"2017-05-07T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=b83d90b889dc997714a44ba7920eb25f"},"modified":"2017-05-08T02:00:00","modified_gmt":"2017-05-07T23:00:00","slug":"a-mean-field-approach-to-the-ising-chain-in-a-transverse-magnetic-field","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=405604","title":{"rendered":"A mean field approach to the Ising chain in a transverse magnetic field"},"content":{"rendered":"<p>We evaluate a mean field method to describe the properties of the ground state of the Ising chain in<br \/>\na transverse magnetic field. Specifically, a method of the Bethe\u2013Peierls type is used by solving<br \/>\nspin blocks with a self-consistency condition at the borders. The computations include the critical<br \/>\npoint for the phase transition, exponent of magnetisation and energy density. All results are<br \/>\nobtained using basic quantum mechanics at an undergraduate level. The advantages and the limitations<br \/>\nof the approach are emphasised.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We evaluate a mean field method to describe the properties of the ground state of the Ising chain in<br \/>\na transverse magnetic field. Specifically, a method of the Bethe\u2013Peierls type is used by solving<br \/>\nspin blocks with a self-consistency condition at t&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-405604","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/405604","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=405604"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/405604\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=405604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=405604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=405604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}