{"id":23951,"date":"2011-12-31T14:09:40","date_gmt":"2011-12-31T11:09:40","guid":{"rendered":"http:\/\/www.fyysika.ee\/uudised\/?p=23951"},"modified":"2011-12-31T14:09:40","modified_gmt":"2011-12-31T11:09:40","slug":"laserloksud-puuavad-kinni-suuri-aatomeid","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=23951","title":{"rendered":"Laserl\u00f5ksud p\u00fc\u00fcavad kinni suuri aatomeid"},"content":{"rendered":"<p><strong>Michigani \u00dclikooli f\u00fc\u00fcsikud on v\u00f5imelised hiigelsuuri Rydbergi aatomeid l\u00f5ksustama laservalgusest \u201emunakarpidesse\u201c 90-protsendilise t\u00f5hususega. See saavutus v\u00f5ib aidata arendada muude rakenduste seas ka kvantarvutustehnikat ja teraherts pilditehnikat.<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p>K\u00f5rgelt ergastatud Rydbergi aatomid v\u00f5ivad olla 1000 korda suuremad kui nende p\u00f5hiolekus vasted. Peaaegu ioniseeritutena klammerduvad nad kaugel asuvate elektronide k\u00fclge, mis asuvad vaevu nende &#8220;k\u00e4eulatuses&#8221;. Rydbergi atomite t\u00f5hus l\u00f5ksustamine on teadlaste s\u00f5nul t\u00e4htis samm nende potentsiaali realiseerimise suunas, kirjutab <a href=\"http:\/\/www.physorg.com\/news\/2011-12-flipping-egg-carton-giant-atoms.html\">Physorg.com<\/a>.<\/p>\n<div id=\"attachment_23955\" style=\"width: 310px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/www.fyysika.ee\/uudised\/wp-content\/uploads\/2011\/12\/flip1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-23955\" class=\"size-medium wp-image-23955\" src=\"http:\/\/www.fyysika.ee\/uudised\/wp-content\/uploads\/2011\/12\/flip1-300x209.jpg\" alt=\"\" width=\"300\" height=\"209\" srcset=\"https:\/\/www.fyysika.ee\/wp-content\/uploads\/2011\/12\/flip1-300x209.jpg 300w, https:\/\/www.fyysika.ee\/wp-content\/uploads\/2011\/12\/flip1-250x174.jpg 250w, https:\/\/www.fyysika.ee\/wp-content\/uploads\/2011\/12\/flip1.jpg 485w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-23955\" class=\"wp-caption-text\">Hiiglaslikud Rydbergi aatomid kukuvad \u00fclit\u00f5husas l\u00f5ksus laservalgusest \u201ekaevudesse\u201c. L\u00f5ksu v\u00e4lja t\u00f6\u00f6tanud Michigani \u00dclikooli f\u00fc\u00fcsikud m\u00e4rkisid \u00e4ra selle sarnasuse munakarpidega. Pilt: Sarah Anderson<\/p><\/div>\n<p>\u201eMeie optiline v\u00f5re on tehtud paarist teineteisele vastassuunas levivast laserkiirest. V\u00f5re moodustab rea kaevusid, mis v\u00f5ivad aatomeid l\u00f5ksustada, hoides aatomeid justkui mune munakarbis,\u201c s\u00f5nas teadlane <strong>Georg Raithel<\/strong>, avaldatud teadust\u00f6\u00f6 \u00fcks kaasautoritest, kes viis uurimuse l\u00e4bi koos f\u00fc\u00fcsikute <strong>Sarah Anderson<\/strong>i ja <strong>Kelly Younge<\/strong>\u2019ga.<\/p>\n<p>Uurijad arendasid v\u00e4lja ainulaadse viisi, lahendades probleemi, mis seni piiras l\u00f5ksustamise t\u00f5husust \u00fchekohaliste protsentideni. Selleks, et Rydbergi aatomeid oleks v\u00f5imalik l\u00f5ksu p\u00fc\u00fcda, peab neid esmalt jahutama ning seel\u00e4bi aeglustama. Laseri abil jahutamise protsessi k\u00e4igus aga kaldusid aatomid j\u00e4\u00e4ma niinimetatud \u201ev\u00f5rek\u00fcngaste\u201c tippudele. Tihti ei j\u00e4\u00e4nud aatomid sinna paigale.<\/p>\n<div id=\"attachment_23956\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"http:\/\/www.fyysika.ee\/uudised\/wp-content\/uploads\/2011\/12\/flip2.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-23956\" class=\"size-medium wp-image-23956\" src=\"http:\/\/www.fyysika.ee\/uudised\/wp-content\/uploads\/2011\/12\/flip2-300x211.jpg\" alt=\"\" width=\"300\" height=\"211\" srcset=\"https:\/\/www.fyysika.ee\/wp-content\/uploads\/2011\/12\/flip2-300x211.jpg 300w, https:\/\/www.fyysika.ee\/wp-content\/uploads\/2011\/12\/flip2-250x176.jpg 250w, https:\/\/www.fyysika.ee\/wp-content\/uploads\/2011\/12\/flip2.jpg 500w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-23956\" class=\"wp-caption-text\">Eelnevates Rydbergi aatomite l\u00f5ksudes peeti aatomeid kinni laservalgusest v\u00f5rede tippudes, kust nad kippusid p\u00f5genema. Michigani \u00dclikooli uurijad lahendasid selle probleemi. Nad p\u00f6\u00f6rasid v\u00f5re kiiresti \u00fcmber, p\u00fc\u00fcdes hiiglaslikud Rydbergi aatomid kaevudesse \u2013 justkui munad munakarpidesse. Pilt: Sarah Anderson<\/p><\/div>\n<p>\u201eSelle takistuse \u00fcletamiseks rakendasime \u00fcht meetodit, et v\u00f5re kiiresti \u00fcmber p\u00f6\u00f6rata peale Rydbergi aatomite p\u00fc\u00fcdmist k\u00fcngaste tippudele,\u201c v\u00e4itis Anderson. \u201eMe rakendame laseriga \u00fcmberp\u00f6\u00f6ramist enne, kui aatomid j\u00f5uavad eemale liikuda. Aatomid satuvad seega kiiresti v\u00f5rekaevude p\u00f5hja, kust nad v\u00e4lja ei saa.\u201c<\/p>\n<p>Raitheli s\u00f5nul on 100-protsendilise l\u00f5ksustamisefektiivsuseni k\u00fc\u00fcndimiseks veel\u00a0k\u00fcllalt tehnoloogilist ruumi. T\u00e4ielik l\u00f5ksustamise t\u00f5husus on vajalik\u00a0 uudsete\u00a0rakenduste tarbeks. Rydbergi aatomid\u00a0v\u00f5ivad osutuda\u00a0paisumaterjalide koostisosadeks\u00a0tulevastes kvantarvutites. Neid aatomeid v\u00f5ib ka olla v\u00f5imalik kasutada tetraherts-pilditehnikas ja j\u00e4lgimisseadmetes, samuti lennuv\u00e4ljadel skannerites.<\/p>\n<p><a href=\"http:\/\/www.physorg.com\/news\/2011-12-flipping-egg-carton-giant-atoms.html\">Allikas<\/a><\/p>\n<p>Teadusartikkel: \u201e<a href=\"http:\/\/prl.aps.org\/abstract\/PRL\/v107\/i26\/e263001\">Trapping Rydberg Atoms in an Optical Lattice<\/a>\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Michigani \u00dclikooli f\u00fc\u00fcsikud on v\u00f5imelised hiigelsuuri Rydbergi aatomeid l\u00f5ksustama laservalgusest \u201emunakarpidesse\u201c 90-protsendilise t\u00f5hususega. See saavutus v\u00f5ib aidata arendada muude rakenduste seas ka kvantarvutustehnikat ja teraherts pilditehnikat. \u00a0 K\u00f5rgelt ergastatud Rydbergi aatomid v\u00f5ivad olla 1000 korda suuremad kui nende p\u00f5hiolekus vasted. Peaaegu ioniseeritutena klammerduvad nad kaugel asuvate elektronide k\u00fclge, mis asuvad vaevu nende &#8220;k\u00e4eulatuses&#8221;. Rydbergi atomite [&hellip;]<\/p>\n","protected":false},"author":448,"featured_media":23955,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[31,16],"tags":[110],"class_list":{"0":"post-23951","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-rakenduslik-teadus","8":"category-teadusuudis","9":"tag-materjal","10":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/23951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/448"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=23951"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/23951\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/media\/23955"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=23951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=23951"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=23951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}