{"id":2500,"date":"2021-05-28T12:42:02","date_gmt":"2021-05-28T12:42:02","guid":{"rendered":"https:\/\/www.polimix.fisi.polimi.it\/?p=2500"},"modified":"2021-05-28T12:48:33","modified_gmt":"2021-05-28T12:48:33","slug":"multiple-magnon-excitations-shape-the-spin-spectrum-of-cuprate-parent-compounds","status":"publish","type":"post","link":"https:\/\/www.polimix.fisi.polimi.it\/?p=2500","title":{"rendered":"Multiple-magnon excitations shape the spin spectrum of cuprate parent compounds"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2500\" class=\"elementor elementor-2500\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8559b8a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8559b8a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9c18886\" data-id=\"9c18886\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-b2c9155 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b2c9155\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-82a51b5\" data-id=\"82a51b5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9b91ef4 elementor-widget elementor-widget-text-editor\" data-id=\"9b91ef4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/journals.aps.org\/prb\/abstract\/10.1103\/PhysRevB.103.L140409\">Multiple-magnon excitations shape the spin spectrum of cuprate parent compounds<\/a><\/p>\n<p>Thanks to high resolution and polarization analysis, resonant inelastic x-ray scattering (RIXS) magnetic<br>spectra of La2CuO4, Sr2CuO2Cl2 and CaCuO2 reveal a rich set of properties of the spin-1\/2 antiferromagnetic square lattice of cuprates. The leading single-magnon peak energy dispersion is in excellent agreement with the corresponding inelastic neutron scattering measurements. However, the RIXS data unveil an asymmetric line shape possibly due to odd higher order terms. Moreover, a sharp bimagnon feature emerges from the continuum at (1\/2, 0), coincident in energy with the bimagnon peak detected in optical spectroscopy. These findings show that the inherently complex spin spectra of cuprates, an exquisite manifestation of quantum magnetism, can be effectively explored by exploiting the richness of RIXS cross sections.<\/p>\n<p class=\"pub-info\">Phys. Rev. B&nbsp;103, L140409 (2021)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-bd120b1\" data-id=\"bd120b1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-038d3a4 elementor-widget elementor-widget-image\" data-id=\"038d3a4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"648\" height=\"512\" src=\"https:\/\/www.polimix.fisi.polimi.it\/wp-content\/uploads\/2021\/05\/art2.png\" class=\"attachment-large size-large wp-image-2501\" alt=\"\" srcset=\"https:\/\/www.polimix.fisi.polimi.it\/wp-content\/uploads\/2021\/05\/art2.png 648w, https:\/\/www.polimix.fisi.polimi.it\/wp-content\/uploads\/2021\/05\/art2-300x237.png 300w\" sizes=\"(max-width: 648px) 100vw, 648px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Multiple-magnon excitations shape the spin spectrum of cuprate parent compounds Thanks to high resolution and polarization analysis, resonant inelastic x-ray scattering (RIXS) magnetic spectra of La2CuO4, Sr2CuO2Cl2 and CaCuO2 reveal a rich set of properties of the spin-1\/2 antiferromagnetic square lattice of cuprates. The leading single-magnon peak energy dispersion is in excellent agreement with the [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":2501,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-2500","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-publications"],"_links":{"self":[{"href":"https:\/\/www.polimix.fisi.polimi.it\/index.php?rest_route=\/wp\/v2\/posts\/2500","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.polimix.fisi.polimi.it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.polimix.fisi.polimi.it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.polimix.fisi.polimi.it\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.polimix.fisi.polimi.it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2500"}],"version-history":[{"count":11,"href":"https:\/\/www.polimix.fisi.polimi.it\/index.php?rest_route=\/wp\/v2\/posts\/2500\/revisions"}],"predecessor-version":[{"id":2512,"href":"https:\/\/www.polimix.fisi.polimi.it\/index.php?rest_route=\/wp\/v2\/posts\/2500\/revisions\/2512"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.polimix.fisi.polimi.it\/index.php?rest_route=\/wp\/v2\/media\/2501"}],"wp:attachment":[{"href":"https:\/\/www.polimix.fisi.polimi.it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2500"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.polimix.fisi.polimi.it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2500"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.polimix.fisi.polimi.it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}