{"id":256,"date":"2018-12-13T16:54:48","date_gmt":"2018-12-13T16:54:48","guid":{"rendered":"http:\/\/paradysz.pl\/?p=256"},"modified":"2018-12-13T16:55:09","modified_gmt":"2018-12-13T16:55:09","slug":"is-quantum-computing-really-a-thing","status":"publish","type":"post","link":"https:\/\/paradysz.pl\/index.php\/2018\/12\/13\/is-quantum-computing-really-a-thing\/","title":{"rendered":"Is Quantum Computing Really a Thing?"},"content":{"rendered":"<p style=\"text-align: justify;\">From 26th to 28th September 2018 has been taken place Conference for Professional\u00a0Software Developers &#8211; <strong>DevConf in Krak\u00f3w<\/strong>. I had the pleasure\u00a0of taking part in this and I had heard many awesome\u00a0speeches but one of them will have\u00a0been never forgotten &#8211; &#8220;Is Quantum Computing Really a Thing?&#8221; by James Birnie. Therefore, I want to describe a fundamental\u00a0knowledge about qubit and how a quantum computer works. Furthermore, I&#8217;m happy to highlight\u00a0some commercial\u00a0projects related to Quantum computing.<\/p>\n<div class=\"ms-Grid-row\" data-sp-gridrow=\"\">\n<div class=\"js_control-wrapper ms-Grid-col ms-u-lgPush3 ms-u-lg6 ms-u-mdPush3 ms-u-md6 ms-u-sm12\" tabindex=\"0\" role=\"textbox\" data-sp-cid=\"cid153985453742077364\" aria-label=\"Text Two-state quantum-mechanical system, such as the polarization of a single photon Two possible outcomes for the measurement of qubit - 1 and 0 Quantum mechanics tells us the state of a qubit is unknown\u00a0until it is observed Before the observation, the state is a &quot;probability space&quot; The Bloch sphere describes probability, NOT absolute values More details:\u00a0https:\/\/en.wikipedia.org\/wiki\/Qubit \">\n<h3>What is the qubit?<\/h3>\n<ul>\n<li>Two-state quantum-mechanical system, such as the polarization of a single photon<\/li>\n<li>Two possible outcomes for the measurement of qubit &#8211; 1 and 0<\/li>\n<li>Quantum mechanics tells us the state of a qubit is unknown\u00a0until it is observed<\/li>\n<li>Before the observation, the state is a &#8220;probability space&#8221;<\/li>\n<li>The Bloch sphere describes probability, NOT absolute values<\/li>\n<\/ul>\n<p>More details:\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Qubit\">https:\/\/en.wikipedia.org\/wiki\/Qubit<\/a><\/p>\n<h3>Quantum computation vs classical computation<\/h3>\n<ul>\n<li>Quantum circuits hold exponentially more information at any given point for the same logic circuit size<\/li>\n<li>Quantum makes problems that are insoluble classically solvable in a reasonable time<\/li>\n<li>Quantum computers cannot meaningfully persist state<\/li>\n<li>The physical limitations of hardware limit the breadth and depth of programs<\/li>\n<li>Quantum computers are hard to program<\/li>\n<\/ul>\n<h3>IBM Q Experience<\/h3>\n<p><a href=\"https:\/\/quantumexperience.ng.bluemix.net\/qx\/experience\">https:\/\/quantumexperience.ng.bluemix.net\/qx\/experience<\/a><\/p>\n<ul>\n<li>Public access quantum computer<\/li>\n<li>Easy to set up<\/li>\n<li>Execute programs on real 5 qubit quantum computer<\/li>\n<li>Can compose quantum scores and persist them<\/li>\n<li>Execute programs on a real<\/li>\n<\/ul>\n<h3>Microsoft Quantum Development Kit<\/h3>\n<p><a href=\"https:\/\/docs.microsoft.com\/en-us\/quantum\/index?view=qsharp-preview\">https:\/\/docs.microsoft.com\/en-us\/quantum\/index?view=qsharp-preview<\/a><\/p>\n<ul>\n<li>Tools to build own quantum computing programs and experiments<\/li>\n<li>Visual Studio support<\/li>\n<li>Q# &#8211; the domain-specific programming language used for expressing quantum algorithms.<\/li>\n<li>A full state vector simulator optimized for accurate vector simulation and speed<\/li>\n<\/ul>\n<h3>Extras<\/h3>\n<p>Introducing QC2 \u2013 the Quantum Compute Cloud (Amazon):<\/p>\n<p><a href=\"https:\/\/aws.amazon.com\/blogs\/aws\/introducing-qc2-the-quantum-compute-cloud\/\">https:\/\/aws.amazon.com\/blogs\/aws\/introducing-qc2-the-quantum-compute-cloud\/<\/a><\/p>\n<p>Google moves toward quantum supremacy with 72-qubit computer:<\/p>\n<p><a href=\"https:\/\/www.sciencenews.org\/article\/google-moves-toward-quantum-supremacy-72-qubit-computer\">https:\/\/www.sciencenews.org\/article\/google-moves-toward-quantum-supremacy-72-qubit-computer<\/a><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>From 26th to 28th September 2018 has been taken place Conference for Professional\u00a0Software Developers &#8211; DevConf in Krak\u00f3w. I had the pleasure\u00a0of taking part in this and I had heard many awesome\u00a0speeches but one of them will have\u00a0been never forgotten &#8211; &#8220;Is Quantum Computing Really a Thing?&#8221; by James Birnie. Therefore, I want to describe [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":317,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/paradysz.pl\/index.php\/wp-json\/wp\/v2\/posts\/256"}],"collection":[{"href":"https:\/\/paradysz.pl\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/paradysz.pl\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/paradysz.pl\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/paradysz.pl\/index.php\/wp-json\/wp\/v2\/comments?post=256"}],"version-history":[{"count":12,"href":"https:\/\/paradysz.pl\/index.php\/wp-json\/wp\/v2\/posts\/256\/revisions"}],"predecessor-version":[{"id":316,"href":"https:\/\/paradysz.pl\/index.php\/wp-json\/wp\/v2\/posts\/256\/revisions\/316"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/paradysz.pl\/index.php\/wp-json\/wp\/v2\/media\/317"}],"wp:attachment":[{"href":"https:\/\/paradysz.pl\/index.php\/wp-json\/wp\/v2\/media?parent=256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/paradysz.pl\/index.php\/wp-json\/wp\/v2\/categories?post=256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/paradysz.pl\/index.php\/wp-json\/wp\/v2\/tags?post=256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}