{"id":53114,"date":"2025-09-04T21:28:04","date_gmt":"2025-09-04T15:58:04","guid":{"rendered":"https:\/\/www.nextias.com\/ca\/?p=53114"},"modified":"2025-09-11T10:41:49","modified_gmt":"2025-09-11T05:11:49","slug":"majorana-particle","status":"publish","type":"post","link":"https:\/\/www.nextias.com\/ca\/current-affairs\/04-09-2025\/majorana-particle","title":{"rendered":"Majorana Particle"},"content":{"rendered":"\n<p><strong>Syllabus: GS3\/ Science and Technology<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Context<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Majorana particles are seen as a potential solution to the problem of decoherence in quantum computers, offering inherently stable and noise-resistant qubits.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Majorana Particle<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Majorana particles<\/strong>, or Majorana fermions, are hypothesized particles that are their own antiparticles.\n<ul class=\"wp-block-list\">\n<li>Due to their self-antiparticle nature, they cannot carry an electric charge.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>In 1937<\/strong>, physicist <strong>Ettore Majorana <\/strong>proposed the existence of the Majorana&nbsp; Particle.<\/li>\n\n\n\n<li>No fundamental Majorana particle has been directly found yet, but scientists have created<strong> quasiparticles<\/strong> in special superconducting materials that behave like Majoranas.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Significance&nbsp;<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Noise Resistance:<\/strong> Majorana modes allow quantum information to be stored nonlocally, with each qubit\u2019s state split between two distant halves.\n<ul class=\"wp-block-list\">\n<li>Local disturbances cannot easily destroy the encoded information, making them naturally resistant to decoherence.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Scalability: <\/strong>If experimentally realised, Majorana qubits could pave the way for simpler, more scalable quantum computers capable of solving problems beyond today\u2019s reach.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-background\" style=\"background-color:#ebecf0\"><tbody><tr><td><strong>What is a Quasiparticle?<\/strong><br>&#8211; A quasiparticle is a concept used to describe how a group of particles interact in a system.&nbsp;<br>&#8211; Quasiparticles are <strong>not actual particles<\/strong>, but rather a <strong>way to model the collective behavior of particles<\/strong> as if they were a single particle.<br>&#8211; <strong>Example:<\/strong> Ripples in water are not particles themselves but behave like \u201cwaves\u201d created by molecules moving together.<br><strong>Fundamentals of Particles<\/strong><br>&#8211; Particles are broadly classified as;<br>1. <strong>Fermions: <\/strong>These particles make up matter and have half-integer spins (e.g., electrons, protons, neutrons).&nbsp;<br>2. <strong>Bosons: <\/strong>These particles mediate fundamental forces between matter, such as photons for electromagnetic force and gluons for the strong force. Bosons have integer spins.<br>&#8211; Fermions can be further categorized as:<br>1. <strong>Dirac Fermions:<\/strong> May or may not have mass but are distinct from their antiparticles.<br>2. <strong>Majorana Fermions: <\/strong>Fermions that are their own antiparticles (e.g., neutrinos are suspected Majorana fermions).<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Source: <\/strong><a href=\"https:\/\/www.thehindu.com\/sci-tech\/science\/how-majorana-particles-promise-to-shield-quantum-computers-from-noise\/article70007626.ece\" rel=\"nofollow noopener\" target=\"_blank\"><strong>TH<\/strong><\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<h3><strong>Context<\/strong><\/h3>\n<li class=\"ms-5\">Majorana particles are seen as a potential solution to the problem of decoherence in quantum computers, offering inherently stable and noise-resistant qubits.<\/li>\n<p><\/p>\n<h3><strong>Majorana Particle<\/strong><\/h3>\n<li class=\"ms-5\">Majorana particles, or Majorana fermions, are hypothesized particles that are their own antiparticles.<\/li>\n<li class=\"ms-5\">Due to their self-antiparticle nature, they cannot carry an electric charge.<\/li>\n<li class=\"ms-5\">In 1937, physicist Ettore Majorana proposed the existence of the Majorana\u00a0 Particle.<\/li>\n<li class=\"ms-5\">No fundamental Majorana particle has been directly found yet, but scientists have created quasiparticles in special superconducting materials that behave like Majoranas.<\/li>\n<p><a href=\"https:\/\/www.nextias.com\/ca\/current-affairs\/04-09-2025\/majorana-particle\" class=\"btn btn-primary btn-sm float-end\">Read\u00a0More<\/a><\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-53114","post","type-post","status-publish","format-standard","hentry","category-current-affairs"],"acf":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/53114","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/comments?post=53114"}],"version-history":[{"count":3,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/53114\/revisions"}],"predecessor-version":[{"id":53611,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/53114\/revisions\/53611"}],"wp:attachment":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/media?parent=53114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/categories?post=53114"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/tags?post=53114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}