{"id":11606,"date":"2025-06-26T09:40:42","date_gmt":"2025-06-26T07:40:42","guid":{"rendered":"https:\/\/fermi.univ-tlse3.fr\/?post_type=tribe_events&#038;p=11606"},"modified":"2025-06-30T14:50:06","modified_gmt":"2025-06-30T12:50:06","slug":"chaines-kitaev-de-fermions-et-de-bosons-tami-pereg-barnea-lpt-seminar-08-07-2025-14h","status":"publish","type":"tribe_events","link":"https:\/\/fermi.univ-tlse3.fr\/fr\/home\/event\/chaines-kitaev-de-fermions-et-de-bosons-tami-pereg-barnea-lpt-seminar-08-07-2025-14h\/","title":{"rendered":"Cha\u00eenes Kitaev de fermions et de bosons. &#8211; (Tami Pereg-Barnea \/ LPT \/ Seminar). &#8211; 08\/07\/2025, 14H"},"content":{"rendered":"<p><span style=\"font-size: 20px; background-color: #f18500;\">S\u00e9minaire LPT<\/span><\/p>\n<p><span style=\"font-size: 20px;\"><span style=\"color: #191970;\"><strong>Tami Pereg-Barnea <\/strong><\/span>(Universit\u00e9 McGill)<\/span><\/p>\n<p><span style=\"background-color: #cecece;\">Seminar LPT, 08\/07\/2025, 14H, 3R4, salle de conf\u00e9rence<\/span><\/p>\n<p><span style=\"font-size: 20px;\"><strong>R\u00e9sum\u00e9 :<\/strong><\/span><br \/>\nThe Kitaev chain is a toy model for a one dimensional topological superconductor. It demonstrates how the superconductor can host Majorana modes at its edges. These special modes are their own antiparticles, exhibit non-abelian statistics and can serve as building blocks of qubits.<\/p>\n<p>In its original form the model is written for fermions (electron quasiparticles) and the Majoranas can be thought of as a half of an electron. In the fermionic part of the talk I will present some recent results on shuttling Maoranas on a 1D fermionic Kitaev chain. We will then introduce a bosonic analogue for the Kitaev model, intended for photonic or cold atom systems. This model does not result in Majorana edge modes as those can not be made of bosons. Nevertheless, the topology of the model leads to some interesting effects where a hermitian Hamiltonian leads to non-hermitian dynamics.<\/p>\n<hr \/>\n<div class=\"leaflet-map WPLeafletMap\" style=\"height:300px; width:70%;\"><\/div><script>\nwindow.WPLeafletMapPlugin = window.WPLeafletMapPlugin || [];\nwindow.WPLeafletMapPlugin.push(function WPLeafletMapShortcode() {\/*<script>*\/\nvar baseUrl = atob('aHR0cHM6Ly97c30udGlsZS5vcGVuc3RyZWV0bWFwLm9yZy97en0ve3h9L3t5fS5wbmc=');\nvar base = (!baseUrl && window.MQ) ?\n    window.MQ.mapLayer() : L.tileLayer(baseUrl,\n        L.Util.extend({}, {\n            detectRetina: 0,\n        },\n        {\"subdomains\":\"abc\",\"noWrap\":false,\"maxZoom\":18}        )\n    );\n    var options = L.Util.extend({}, {\n        layers: [base],\n        attributionControl: false\n    },\n    {\"zoomControl\":true,\"scrollWheelZoom\":true,\"doubleClickZoom\":true,\"fitBounds\":true,\"minZoom\":9,\"maxZoom\":18,\"maxBounds\":null,\"attribution\":\"<a href=\\\"http:\\\/\\\/leafletjs.com\\\" title=\\\"Une biblioth\\u00e8que JS pour des cartes interactives\\\">Leaflet<\\\/a>; \\u00a9 <a href=\\\"http:\\\/\\\/www.openstreetmap.org\\\/copyright\\\">OpenStreetMap<\\\/a> contributeurs\"},\n    {});\nwindow.WPLeafletMapPlugin.createMap(options).setView([43.560830727361,1.4672373725804],16);window.WPLeafletMapPlugin.createScale({});});<\/script>\n<script>\nwindow.WPLeafletMapPlugin = window.WPLeafletMapPlugin || [];\nwindow.WPLeafletMapPlugin.push(function WPLeafletMarkerShortcode() {\/*<script>*\/\nvar map = window.WPLeafletMapPlugin.getCurrentMap();\nvar group = window.WPLeafletMapPlugin.getCurrentGroup();\nvar marker_options = window.WPLeafletMapPlugin.getIconOptions({});\nvar marker = L.marker(\n    [0,0],\n    marker_options\n);\nvar is_image = map.is_image_map;\n    marker.setLatLng( map.getCenter() );\nif (marker_options.draggable) {\n    marker.on('dragend', function () {\n        var latlng = this.getLatLng();\n        var lat = latlng.lat;\n        var lng = latlng.lng;\n        if (is_image) {\n            console.log('leaflet-marker y=' + lat + ' x=' + lng);\n        } else {\n            console.log('leaflet-marker lat=' + lat + ' lng=' + lng);\n        }\n    });\n}\nmarker.addTo( group );\nmarker.bindPopup(window.WPLeafletMapPlugin.unescape('Salle de conf\u00e9rence (- B\u00e2timent 3R4)'));window.WPLeafletMapPlugin.markers.push( marker );\n        });<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Location : Seminar Room, 3R4<\/p>\n","protected":false},"author":5,"featured_media":11607,"template":"","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":"","_tribe_events_status":"","_tribe_events_status_reason":"","footnotes":""},"tags":[],"tribe_events_cat":[48,313,233],"class_list":["post-11606","tribe_events","type-tribe_events","status-publish","has-post-thumbnail","hentry","tribe_events_cat-events","tribe_events_cat-lpt","tribe_events_cat-seminars","cat_events","cat_lpt","cat_seminars"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - 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