![\"\"](\"http:\/\/hudo.com\/si\/wp-content\/uploads\/sites\/2\/2017\/08\/fizika.jpg\")
<\/a><\/p>\nKot je pojasnil vodja raziskav Denis Ar\u010don z odseka za fiziko trdne snovi IJS, spinska teko\u010dina prina\u0161a povsem novo stanje snovi in zato lahko o mo\u017enostih uporabe trenutno le ugibamo. Ena od mo\u017enosti, ki se pogosto omenja tudi v literaturi, je uporaba v kvantnem ra\u010dunalni\u0161tvu.<\/p>\n
Spinsko teko\u010dino so do zdaj dokazali le v zelo redkih primerih, ve\u010dinoma v obdobju zadnjih 10 let, zato je razumljivo, da znanstveniki eksperimentalno o tem stanju \u0161e ne vedo dosti, je dejal Ar\u010don. Njihovo odkritje bo pomagalo poiskati odgovore na nekatera osnovna vpra\u0161anja o tem stanju.<\/p>\n
V ve\u010dini primerov so magnetni momenti pri dovolj visokih temperaturah povsem neurejeni, kar lahko v grobem primerjamo s plinastim agregatnim stanjem. \u010ce tak magnetni sistem dovolj pohladimo, pa se magnetni momenti uredijo, podobno kot se uredijo atomi v kristalu.<\/p>\n
Slovenski znanstveniki so ugotovili, da se elektronski magnetni momenti ne uredijo niti pri temperaturi -273.08 stopinj Celzija in da dejansko tvorijo novo stanje visokotemperaturne kvantne spinske teko\u010dine. Poleg tega so znanstveniki ugotovili, da v TaS2 stanje spinske teko\u010dine vztraja do presenetljivo visokih temperatur (pod -93 stopinj Celzija).<\/p>\n
Po besedah Ar\u010dona pri tako visokih temperaturah spinska teko\u010dina ni vztrajala \u0161e pri nobenem drugem znanem sistemu. “Kvantno stanje je torej dosegljivo pri temperaturah, ki jih dokaj enostavno dose\u017eemo v laboratoriju. Poleg tega pa je dostopnost do tega stanja pri takih temperaturah pomembna za potencialno uporabo, saj bo samo vzdr\u017eevanje takega stanja bistveno manj zahtevno,” je \u0161e pojasnil Ar\u010don.<\/p>\n
Prvi je spinsko teko\u010dino napovedal Nobelov nagrajenec P. W. Anderson \u017ee pred ve\u010d kot 40 leti, ko je raziskoval nenavadne magnetne lastnosti plastovitih kristalov TaS2.<\/p>\n
Magnetna stanja, ki bi bila analogna teko\u010demu agregatnemu stanju, so bila sicer teoreti\u010dno napovedana, a doslej v naravi izredno redko opa\u017eena pri ekstremno nizkih temperaturah.<\/p>\n
Med avtorji raziskave so slovenski raziskovalci Martin Klanj\u0161ek, Andrej Zorko, Rok \u017ditko, Jernej Mravlje, Zvonko Jagli\u010di\u0107, Peter Prelov\u0161ek, Dragan Mihailovi\u0107 in Denis Ar\u010don.<\/p>\n
\u010clanek je dostopen na https:\/\/goo.gl\/6BrMTp<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"Raziskovalci Instituta Jo\u017eef Stefan (IJS) ter Fakultete za matematiko in fiziko (FMF) Univerze v Ljubljani so pri\u0161li do odkritja, s katerim so razre\u0161ili skrivnost magnetnega stanja v pomembnem modelskem sistemu, ki je begala raziskovalce \u017ee ve\u010d kot 40 let. Odkritje prina\u0161a nove mo\u017enosti za razvoj kvantnih tehnologij.<\/p>\n","protected":false},"author":7,"featured_media":285824,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1179],"tags":[1595,1645],"source":[4511],"supertag":[],"acf":[],"yoast_head":"\n
Slovenski raziskovalci z odkritjem, pomembnim za razvoj kvantnih tehnologij - Hudo Slovenija<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hudo.com\/si\/aktualno\/slovenski-raziskovalci-z-odkritjem-pomembnim-za-razvoj-kvantnih-tehnologij\/\" \/>\n<meta property=\"og:locale\" content=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Slovenski raziskovalci z odkritjem, pomembnim za razvoj kvantnih tehnologij - Hudo Slovenija\" \/>\n<meta property=\"og:description\" content=\"Raziskovalci Instituta Jo\u017eef Stefan (IJS) ter Fakultete za matematiko in fiziko (FMF) Univerze v Ljubljani so pri\u0161li do odkritja, s katerim so razre\u0161ili skrivnost magnetnega stanja v pomembnem modelskem sistemu, ki je begala raziskovalce \u017ee ve\u010d kot 40 let. Odkritje prina\u0161a nove mo\u017enosti za razvoj kvantnih tehnologij.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hudo.com\/si\/aktualno\/slovenski-raziskovalci-z-odkritjem-pomembnim-za-razvoj-kvantnih-tehnologij\/\" \/>\n<meta property=\"og:site_name\" content=\"Hudo Slovenija\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/hudo.si\" \/>\n<meta property=\"article:published_time\" content=\"2017-08-09T17:35:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2017-08-09T17:38:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hudo.com\/si\/wp-content\/uploads\/sites\/2\/2017\/08\/profimedia-0102163547.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1250\" \/>\n\t<meta property=\"og:image:height\" content=\"937\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"A. 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