{"id":99410,"date":"2019-12-06T21:42:38","date_gmt":"2019-12-07T05:42:38","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2019\/12\/gamma-ray-laser-moves-a-step-closer-to-reality"},"modified":"2019-12-06T21:42:38","modified_gmt":"2019-12-07T05:42:38","slug":"gamma-ray-laser-moves-a-step-closer-to-reality","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2019\/12\/gamma-ray-laser-moves-a-step-closer-to-reality","title":{"rendered":"Gamma-ray laser moves a step closer to reality"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/gamma-ray-laser-moves-a-step-closer-to-reality2.jpg\"><\/a><\/p>\n<p>O.o.<\/p>\n<hr>\n<p>A physicist at the University of California, Riverside, has performed calculations showing hollow spherical bubbles filled with a gas of positronium atoms are stable in liquid helium.<\/p>\n<p>The calculations take scientists a step closer to realizing a <a href=\"https:\/\/phys.org\/tags\/gamma-ray+laser\/\" rel=\"tag\" class=\"\">gamma-ray laser<\/a>, which may have applications in <a href=\"https:\/\/phys.org\/tags\/medical+imaging\/\" rel=\"tag\" class=\"\">medical imaging<\/a>, spacecraft propulsion, and <a href=\"https:\/\/phys.org\/tags\/cancer+treatment\/\" rel=\"tag\" class=\"\">cancer treatment<\/a>.<\/p>\n<p>Extremely short-lived and only briefly stable, positronium is a hydrogen-like atom and a mixture of matter and antimatter\u2014specifically, bound states of electrons and their antiparticles called positrons. To create a gamma-ray laser beam, positronium needs to be in a state called a Bose-Einstein condensate\u2014a collection of positronium atoms in the same <a href=\"https:\/\/phys.org\/tags\/quantum+state\/\" rel=\"tag\" class=\"\">quantum state<\/a>, allowing for more interactions and gamma radiation. Such a condensate is the key ingredient of a gamma-ray laser.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O.o. A physicist at the University of California, Riverside, has performed calculations showing hollow spherical bubbles filled with a gas of positronium atoms are stable in liquid helium. The calculations take scientists a step closer to realizing a gamma-ray laser, which may have applications in medical imaging, spacecraft propulsion, and cancer treatment. Extremely short-lived and [\u2026]<\/p>\n","protected":false},"author":513,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,1617,1514],"tags":[],"class_list":["post-99410","post","type-post","status-publish","format-standard","hentry","category-biotech-medical","category-quantum-physics","category-space-travel"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/99410","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/513"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=99410"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/99410\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=99410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=99410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=99410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}