{"id":307,"date":"2023-10-31T12:00:00","date_gmt":"2023-10-31T16:00:00","guid":{"rendered":"https:\/\/sciences.ucf.edu\/physics\/rahman-group\/?p=307"},"modified":"2024-05-02T11:22:38","modified_gmt":"2024-05-02T15:22:38","slug":"switzer-et-al-2023","status":"publish","type":"post","link":"https:\/\/sciences.ucf.edu\/physics\/rahman-group\/switzer-et-al-2023\/","title":{"rendered":"Mapping spin interactions from conductance peak splitting in Coulomb blockade"},"content":{"rendered":"\n<p><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"500\" height=\"397\" data-src=\"https:\/\/sciences.ucf.edu\/physics\/rahman-group\/wp-content\/uploads\/sites\/40\/2024\/05\/medium.png\" alt=\"\" class=\"wp-image-308 lazyload\" style=\"--smush-placeholder-width: 500px; --smush-placeholder-aspect-ratio: 500\/397;width:auto;height:300px\" data-srcset=\"https:\/\/sciences.ucf.edu\/physics\/rahman-group\/wp-content\/uploads\/sites\/40\/2024\/05\/medium.png 500w, https:\/\/sciences.ucf.edu\/physics\/rahman-group\/wp-content\/uploads\/sites\/40\/2024\/05\/medium-300x238.png 300w\" data-sizes=\"(max-width: 500px) 100vw, 500px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>We investigate the transport properties of a quantum dot coupled to leads interacting with a multispin system using the generalized master equation\u00a0within the Coulomb blockade regime. We find that if two states for each scattering region electron manifold are included, several signatures of the interacting spin system appear in steady-state transport properties. We provide a theoretical mapping of differential conductance peak signatures and all spin Hamiltonian parameters related to the inclusion of excited state transitions between uncharged and charged electron manifolds. Our predictions describe a scheme of only using a quantum dot and differential conductance to measure magnetic anisotropy, interspin exchange coupling, exchange coupling between the spin system and itinerant electron, and applied magnetic field response.<br><br>This work was published in Physical Review B.<br>[E. D. Switzer, X.-G. Zhang, V. Turkowski,\u00a0<strong>T. S. Rahman<\/strong>, \u201cMapping spin interactions from conductance peak splitting in Coulomb blockade.\u201d Phys. Rev. B. 108, 174438 (2023).\u00a0<a href=\"https:\/\/doi.org\/10.1103\/PhysRevB.108.174438\">https:\/\/doi.org\/10.1103\/PhysRevB.108.174438<\/a>]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We investigate the transport properties of a quantum dot coupled to leads interacting with a multispin system using the generalized master equation\u00a0within the Coulomb blockade regime. We find that if two states for each scattering region electron manifold are included, several signatures of the interacting spin system appear in steady-state transport properties. We provide a &#8230; <a title=\"Mapping spin interactions from conductance peak splitting in Coulomb blockade\" class=\"read-more\" href=\"https:\/\/sciences.ucf.edu\/physics\/rahman-group\/switzer-et-al-2023\/\" aria-label=\"Read more about Mapping spin interactions from conductance peak splitting in Coulomb blockade\">Read more<\/a><\/p>\n","protected":false},"author":92,"featured_media":0,"comment_status":"off","ping_status":"off","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[4],"tags":[],"class_list":["post-307","post","type-post","status-publish","format-standard","hentry","category-home-slider"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mapping spin interactions from conductance peak splitting in Coulomb blockade - Professor Talat S. Rahman<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sciences.ucf.edu\/physics\/rahman-group\/switzer-et-al-2023\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mapping spin interactions from conductance peak splitting in Coulomb blockade - Professor Talat S. Rahman\" \/>\n<meta property=\"og:description\" content=\"We investigate the transport properties of a quantum dot coupled to leads interacting with a multispin system using the generalized master equation\u00a0within the Coulomb blockade regime. We find that if two states for each scattering region electron manifold are included, several signatures of the interacting spin system appear in steady-state transport properties. We provide a ... Read more\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sciences.ucf.edu\/physics\/rahman-group\/switzer-et-al-2023\/\" \/>\n<meta property=\"og:site_name\" content=\"Professor Talat S. Rahman\" \/>\n<meta property=\"article:published_time\" content=\"2023-10-31T16:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-02T15:22:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sciences.ucf.edu\/physics\/rahman-group\/wp-content\/uploads\/sites\/40\/2024\/05\/medium.png\" \/>\n<meta name=\"author\" content=\"Eric Switzer\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Eric Switzer\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/sciences.ucf.edu\/physics\/rahman-group\/switzer-et-al-2023\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/sciences.ucf.edu\/physics\/rahman-group\/switzer-et-al-2023\/\"},\"author\":{\"name\":\"Eric Switzer\",\"@id\":\"https:\/\/sciences.ucf.edu\/physics\/rahman-group\/#\/schema\/person\/9322103df41b82098f9f799c48f539da\"},\"headline\":\"Mapping spin interactions from conductance peak splitting in Coulomb blockade\",\"datePublished\":\"2023-10-31T16:00:00+00:00\",\"dateModified\":\"2024-05-02T15:22:38+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/sciences.ucf.edu\/physics\/rahman-group\/switzer-et-al-2023\/\"},\"wordCount\":163,\"image\":{\"@id\":\"https:\/\/sciences.ucf.edu\/physics\/rahman-group\/switzer-et-al-2023\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/sciences.ucf.edu\/physics\/rahman-group\/wp-content\/uploads\/sites\/40\/2024\/05\/medium.png\",\"articleSection\":[\"Home Slider\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/sciences.ucf.edu\/physics\/rahman-group\/switzer-et-al-2023\/\",\"url\":\"https:\/\/sciences.ucf.edu\/physics\/rahman-group\/switzer-et-al-2023\/\",\"name\":\"Mapping spin interactions from conductance peak splitting in Coulomb blockade - Professor Talat S. 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