{"id":3760,"date":"2019-07-08T11:36:54","date_gmt":"2019-07-08T02:36:54","guid":{"rendered":"http:\/\/www-wp22.ile.osaka-u.ac.jp\/?p=3760"},"modified":"2019-07-17T08:48:26","modified_gmt":"2019-07-16T23:48:26","slug":"our-work-in-the-top-100-scientific-reports-physics-papers-in-2018","status":"publish","type":"post","link":"http:\/\/www-wp22.ile.osaka-u.ac.jp\/2019\/07\/08\/our-work-in-the-top-100-scientific-reports-physics-papers-in-2018\/","title":{"rendered":"Our work in the Top 100 Scientific Reports physics papers in 2018"},"content":{"rendered":"<p><img decoding=\"async\" loading=\"lazy\" class=\"alignleft size-medium wp-image-3762\" src=\"http:\/\/www-wp22.ile.osaka-u.ac.jp\/wp-content\/uploads\/2019\/07\/190708_Top10-prof-murakami-300x271.png\" alt=\"\" width=\"300\" height=\"271\" srcset=\"http:\/\/www-wp22.ile.osaka-u.ac.jp\/wp-content\/uploads\/2019\/07\/190708_Top10-prof-murakami-300x271.png 300w, http:\/\/www-wp22.ile.osaka-u.ac.jp\/wp-content\/uploads\/2019\/07\/190708_Top10-prof-murakami.png 600w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>Could a Particle Accelerator Using Laser-Driven Implosion Become a Reality?<\/p>\n<p>Laser pulse compression technology invented in the late 1980s developed high-power short-pulse laser techniques, enhancing laser intensity 10-million-fold in a quarter of a century.<\/p>\n<p>Scientists at Osaka University discovered a novel particle acceleration mechanism called &#8216;Micro-bubble implosion,&#8217; in which super-high energy hydrogen ions (relativistic protons) are emitted at the moment when bubbles shrink to atomic size through the irradiation of hydrides with micron-sized spherical bubbles by ultraintense laser pulses. Their research results were published in Scientific Reports.<\/p>\n<p>The group led by Masakatsu Murakami has reported an astonishing physical phenomenon: when shrinking matter to the unprecedented high level, with density comparable to matter the size of a sugar cube weighing more than 100 kg, high-energy protons are emitted from the positively-charged nanoscale clusters, a world first. Usually, an acceleration distance of several tens to hundreds of meters is necessary for conventional accelerators to generate such huge energy.<\/p>\n<p>In micro-bubble implosion, a unique ion motion in which ions (charged particles) converge to a single point in space at half the speed of light plays a crucial role. This phenomenon, which looks like the opposite of the Big Bang, is essentially different from any previously discovered or proposed acceleration principles.<\/p>\n<p>This new concept will clarify unknown space physics of grand scales of time and space, such as the origins of high-energy protons moving about in stars and space. In addition, as a compact source of neutron radiation through nuclear fusion, this concept will be utilized in a variety of applications in medical treatment and industry in the future, such as proton radiotherapy to treat cancer, the development of new energy with laser nuclear fusion, cross-sectional photos for developing fuel cells, and development of new substances.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-3764 alignright\" src=\"http:\/\/www-wp22.ile.osaka-u.ac.jp\/wp-content\/uploads\/2019\/07\/190708news-Fig1_Murakami-300x246.png\" alt=\"\" width=\"300\" height=\"246\" srcset=\"http:\/\/www-wp22.ile.osaka-u.ac.jp\/wp-content\/uploads\/2019\/07\/190708news-Fig1_Murakami-300x246.png 300w, http:\/\/www-wp22.ile.osaka-u.ac.jp\/wp-content\/uploads\/2019\/07\/190708news-Fig1_Murakami-768x629.png 768w, http:\/\/www-wp22.ile.osaka-u.ac.jp\/wp-content\/uploads\/2019\/07\/190708news-Fig1_Murakami-1024x839.png 1024w, http:\/\/www-wp22.ile.osaka-u.ac.jp\/wp-content\/uploads\/2019\/07\/190708news-Fig1_Murakami.png 1780w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>\u8ad6\u6587\u63b2\u8f09\u5148URL\uff1a https:\/\/www.nature.com\/articles\/s41598-018-25594-3<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Could a Particle Accelerator Using Laser-Driven Implosion Become a Reality? Laser pulse compression technology [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_links_to":"","_links_to_target":""},"categories":[3],"tags":[],"_links":{"self":[{"href":"http:\/\/www-wp22.ile.osaka-u.ac.jp\/wp-json\/wp\/v2\/posts\/3760"}],"collection":[{"href":"http:\/\/www-wp22.ile.osaka-u.ac.jp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www-wp22.ile.osaka-u.ac.jp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www-wp22.ile.osaka-u.ac.jp\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/www-wp22.ile.osaka-u.ac.jp\/wp-json\/wp\/v2\/comments?post=3760"}],"version-history":[{"count":4,"href":"http:\/\/www-wp22.ile.osaka-u.ac.jp\/wp-json\/wp\/v2\/posts\/3760\/revisions"}],"predecessor-version":[{"id":3766,"href":"http:\/\/www-wp22.ile.osaka-u.ac.jp\/wp-json\/wp\/v2\/posts\/3760\/revisions\/3766"}],"wp:attachment":[{"href":"http:\/\/www-wp22.ile.osaka-u.ac.jp\/wp-json\/wp\/v2\/media?parent=3760"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www-wp22.ile.osaka-u.ac.jp\/wp-json\/wp\/v2\/categories?post=3760"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www-wp22.ile.osaka-u.ac.jp\/wp-json\/wp\/v2\/tags?post=3760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}