{"id":68350,"date":"2025-10-12T13:02:56","date_gmt":"2025-10-12T07:32:56","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=68350"},"modified":"2025-10-13T20:51:13","modified_gmt":"2025-10-13T15:21:13","slug":"qubit","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/qubit\/","title":{"rendered":"Qubit"},"content":{"rendered":"<h2><b>Qubit Latest News<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Caltech has built the world\u2019s largest neutral-atom qubit array\u20146,100 qubits\u2014pushing quantum computers closer to error correction and full-scale computation.<\/span><\/p>\n<h2><b>About Qubit<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A qubit, or <\/span><b>quantum bit<\/b><span style=\"font-weight: 400;\">, is the <\/span><b>basic unit of information used to encode data in quantum computing.<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It can be best understood as the <\/span><b>quantum equivalent of the traditional bit used by classical computers <\/b><span style=\"font-weight: 400;\">to encode information in binary.<\/span>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">In <\/span><b>classical computing<\/b><span style=\"font-weight: 400;\"> the information is encoded in bits, where <\/span><b>each bit can have the value zero or one.\u00a0<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">In quantum computing the information is encoded in qubits. A <\/span><b>qubit <\/b><span style=\"font-weight: 400;\">is a <\/span><b>two-level quantum system<\/b><span style=\"font-weight: 400;\"> where the <\/span><b>two basis qubit states are usually written as \u22230\u27e9 and\u00a0 \u22231\u27e9.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">A qubit <\/span><b>can be in state \u22230\u27e9, \u22231\u27e9, or (unlike a classical bit) in a linear combination of both states.\u00a0<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><span style=\"font-weight: 400;\">The <\/span><b>name of this phenomenon is superposition.<\/b><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The term \u201cqubit\u201d is attributed to American theoretical physicist Benjamin Schumacher.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Qubits are generally, although not exclusively, <\/span><b>created by manipulating and measuring quantum particles<\/b><span style=\"font-weight: 400;\"> (the <\/span><b>smallest known building blocks of the physical universe)<\/b><span style=\"font-weight: 400;\">, such as photons, electrons, trapped ions, superconducting circuits and atoms.<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\">Enabled by the unique properties of quantum mechanics,<b style=\"font-size: inherit;\"> quantum computers use qubits to store more data than traditional bits, vastly improve cryptographic systems <\/b><span style=\"font-weight: 400;\">and <\/span><b style=\"font-size: inherit;\">perform very advanced computations <\/b><span style=\"font-weight: 400;\">that would take thousands of years (or be impossible) for even classical supercomputers to complete.<\/span><\/li>\n<\/ul>\n<p><b>Source<\/b><span style=\"font-weight: 400;\">: <\/span><a href=\"https:\/\/scitechdaily.com\/caltech-shatters-record-with-6100-qubit-quantum-array\/\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">STD<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A qubit is the quantum equivalent of a classical bit, using superposition to encode data for advanced quantum computing and faster computations.<\/p>\n","protected":false},"author":23,"featured_media":68760,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[21,3207,22,23],"class_list":{"0":"post-68350","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-prelims-pointers","9":"tag-qubit","10":"tag-upsc-current-affairs","11":"tag-upsc-prelims-current-affairs","12":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/68350","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=68350"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/68350\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/68760"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=68350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=68350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=68350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}