{"id":79049,"date":"2026-07-13T18:28:08","date_gmt":"2026-07-13T12:58:08","guid":{"rendered":"https:\/\/www.nextias.com\/ca\/?p=79049"},"modified":"2026-07-13T18:28:32","modified_gmt":"2026-07-13T12:58:32","slug":"india-quantum-advantage","status":"publish","type":"post","link":"https:\/\/www.nextias.com\/ca\/current-affairs\/13-07-2026\/india-quantum-advantage","title":{"rendered":"Indian Lab Demonstrates Quantum Advantage Using IBM Quantum Processor"},"content":{"rendered":"\n<p><strong>Syllabus: Science &amp; Technology&nbsp;<\/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>Scientists from BITS Pilani, in collaboration with IBM Quantum, have developed a quantum algorithm that demonstrated <strong>quantum advantage<\/strong> by simulating the behaviour of subatomic particles on a 120-qubit quantum processor.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Key Findings<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The quantum processor completed the simulation in <strong>20 seconds.<\/strong> A classical computer required around two hours for the same calculation.<\/li>\n\n\n\n<li>The achievement has been recognised as <strong>\u201cactive\u201d<\/strong> by the Quantum Advantage Tracker (QAT).\n<ul class=\"wp-block-list\">\n<li>In the reference of the QAT \u201cactive\u201d means that the<strong> claim of quantum advantage is currently valid<\/strong> and has not been disproved or overtaken by classical computing methods.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Significance:<\/strong> It is the first quantum advantage claim from an Indian laboratory to receive active status.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What is Quantum Computing?<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Quantum computing refers to a new class of computers that <strong>use the principles of quantum mechanics <\/strong>rather than classical binary logic.<\/li>\n\n\n\n<li>Classical computers process information using bits (0 or 1), while quantum computers<strong> use qubits,<\/strong> which<strong> can exist in multiple states simultaneously.<\/strong><\/li>\n\n\n\n<li>This capability allows quantum computers to perform certain calculations exponentially faster than conventional computers.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Principles of Quantum Computing<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Superposition:<\/strong> It<strong> <\/strong>allows a qubit to <strong>exist in multiple states simultaneously, <\/strong>enabling quantum computers to perform many calculations in parallel.<\/li>\n\n\n\n<li><strong>Entanglement: <\/strong>It<strong> <\/strong>occurs when two or more qubits become strongly correlated, such that the state of one instantly determines the state of the other.\n<ul class=\"wp-block-list\">\n<li>This property allows quantum computers to process and link information efficiently, helping solve complex problems faster.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Decoherence:<\/strong> Decoherence refers to the loss of a qubit\u2019s quantum state due to interaction with the environment (such as radiation or heat).\n<ul class=\"wp-block-list\">\n<li><strong>Preventing or delaying decoherence <\/strong>is a major challenge in building stable quantum computers.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img data-dominant-color=\"c4d8e3\" data-has-transparency=\"true\" loading=\"lazy\" decoding=\"async\" width=\"880\" height=\"1022\" src=\"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2026\/07\/image-137.png\" alt=\"\" class=\"has-transparency wp-image-79050\" style=\"--dominant-color: #c4d8e3; aspect-ratio:0.8610692891693629;width:604px;height:auto\" srcset=\"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2026\/07\/image-137.png 880w, https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2026\/07\/image-137-258x300.png 258w, https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2026\/07\/image-137-768x892.png 768w\" sizes=\"auto, (max-width: 880px) 100vw, 880px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>What is Quantum Advantage?<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Quantum advantage refers to an information processing task performed more efficiently, cost-effectively, or accurately using a quantum computer than is known to be possible with classical computers alone.<\/li>\n\n\n\n<li>Quantum advantage is not universal; quantum computers are not faster for every type of calculation.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Quantum Advantage Tracker (QAT)<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>The Quantum Advantage Tracker (QAT) is an open-source, platform-agnostic framework designed to collect, validate, and compare experimental results in the pursuit of quantum advantage.\u00a0<\/strong>\n<ul class=\"wp-block-list\">\n<li>It verifies claims of quantum computing superiority. QAT requires users to match quantum results against classical methods to stop exaggerated claims.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>It uses three paths: <\/strong>observable estimations, variational problems, and classically verifiable problems.\u00a0<\/li>\n\n\n\n<li><strong>Importance: <\/strong>Prevents exaggerated claims regarding quantum computing capabilities and provides credibility to genuine breakthroughs.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Challenges in Quantum Computing<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Lack of Indigenous Quantum Hardware:<\/strong> India currently depends on foreign quantum processors for advanced research.<\/li>\n\n\n\n<li><strong>Quantum Error and Noise: <\/strong>Maintaining stable qubits for longer durations is difficult.<\/li>\n\n\n\n<li><strong>Limited Real-World Applications:<\/strong> Most quantum demonstrations are still experimental and commercial applications require further technological maturity.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-group has-background\" style=\"background-color:#fff2cc\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p><strong>National Quantum Mission (NQM)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The Union Cabinet approved the <strong>National Quantum Mission (NQM) in 2023<\/strong> at a total cost of <strong>Rs.6003.65 crore<\/strong> from<strong> 2023-24 to 2030-31.<\/strong><\/li>\n\n\n\n<li>It aims to seed, nurture and scale up scientific and industrial R&amp;D and create a vibrant &amp; innovative ecosystem in Quantum Technology (QT).<\/li>\n\n\n\n<li><strong>The Mission objectives <\/strong>include developing intermediate-scale quantum computers with <strong>50-1000 physical qubits in 8 years <\/strong>in various platforms like superconducting and photonic technology.<\/li>\n\n\n\n<li><strong>Four Thematic Hubs (T-Hubs) <\/strong>have been established under NQM to strengthen India\u2019s position as a global leader in quantum technology.<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-dominant-color=\"ebeae8\" data-has-transparency=\"false\" style=\"--dominant-color: #ebeae8;\" loading=\"lazy\" decoding=\"async\" width=\"662\" height=\"349\" src=\"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2026\/07\/image-138.png\" alt=\"\" class=\"not-transparent wp-image-79051\" srcset=\"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2026\/07\/image-138.png 662w, https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2026\/07\/image-138-300x158.png 300w\" sizes=\"auto, (max-width: 662px) 100vw, 662px\" \/><\/figure>\n\n\n\n<p><strong>Source: <\/strong><a href=\"https:\/\/www.thehindu.com\/sci-tech\/science\/indian-lab-designs-quantum-algorithm-to-beat-classical-computers\/article71198433.ece\" rel=\"nofollow noopener\" target=\"_blank\"><strong>TH<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong><br \/>\nContext:<\/p>\n<p><\/strong><\/p>\n<li class=\"ms-5\">\nScientists from BITS Pilani, in collaboration with IBM Quantum, have developed a quantum algorithm that demonstrated quantum advantage by simulating the behaviour of subatomic particles on a 120-qubit quantum processor.<\/p>\n<\/li>\n<p><\/p>\n<p><strong><\/p>\n<p>Key Findings<br \/>\n<\/strong><\/p>\n<li class=\"ms-5\"\t>\n<p>The quantum processor completed the simulation in 20 seconds. A classical computer required around two hours for the same calculation.<\/p>\n<\/li>\n<li class=\"ms-5\">\n<p>The achievement has been recognised as \u201cactive\u201d by the Quantum Advantage Tracker (QAT).<\/p>\n<\/li>\n<p><a href=\" https:\/\/www.nextias.com\/ca\/current-affairs\/13-07-2026\/india-quantum-advantage \" class=\"btn btn-primary btn-sm float-end\">Read More<\/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-79049","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\/79049","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=79049"}],"version-history":[{"count":2,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/79049\/revisions"}],"predecessor-version":[{"id":79054,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/79049\/revisions\/79054"}],"wp:attachment":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/media?parent=79049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/categories?post=79049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/tags?post=79049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}