{"id":1272,"date":"2024-11-18T11:23:34","date_gmt":"2024-11-18T09:23:34","guid":{"rendered":"https:\/\/kvant.ee\/?post_type=oppematerjal&#038;p=1272"},"modified":"2024-12-05T09:52:59","modified_gmt":"2024-12-05T07:52:59","slug":"quantum-computers","status":"publish","type":"oppematerjal","link":"https:\/\/kvant.ee\/en\/learning-material\/quantum-computers\/","title":{"rendered":"Quantum computers"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Kvantarvutid on kaasaegse teaduse ja tehnoloogia p\u00f5nevamaid ja kiiremini arenevamaid valdkondi. Kvantraalides kasutatakse kvantf\u00fc\u00fcsika p\u00f5him\u00f5tteid, et luua t\u00e4iesti uusi arvutusv\u00f5imalusi. Erinevalt klassikalistest arvutitest, mis t\u00f6\u00f6tavad binaarsete bittidega, mis v\u00f5ivad olla kas 0 v\u00f5i 1 ehk v\u00e4lja v\u00f5i sisse l\u00fclitatud, t\u00f6\u00f6tavad kvantarvutid kubittidega (kvantbittidega), mis suudavad olla samaaegselt mitmes olekus ehk m\u00f5nev\u00f5rra sarnaselt h\u00e4gusloogika toimimisega. L\u00fchidalt, kvantarvutid lahendavad teatud \u00fclesandeid palju kiiremini kui tavaarvutid, toetades teadusuuringuid ja t\u00f6\u00f6stust.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Maailmas tegelevad kvantarvutite arendamisega nii riigid kui ka suurkorporatsioonid nagu IBM, Intel, Google, jpt. Kvantarvutid onjuba olemas, kuid need on alles arendusfaasis ning igap\u00e4evakasutusest on vara r\u00e4\u00e4kida , kuigi arengukiirus on olnud m\u00e4rkimisv\u00e4\u00e4rne. T\u00e4nased kvantarvutid on suured, kallid ja suudavad t\u00e4ita v\u00e4heseid \u00fclesandeid. T\u00f5en\u00e4oliselt ei hakka kvantarvutid l\u00e4hiajal asendama koduseid tavaarvuteid, vaid leiavad kasutust eelk\u00f5ige mahukat andmet\u00f6\u00f6tlus- ja arvutusv\u00f5imsust vajavates andmekeskustes.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-custom-3-font-size\" id=\"kuidas-kvantarvutid-tootavad\">Kuidas kvantarvutid t\u00f6\u00f6tavad?<\/h2>\n\n\n\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile\"><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\">Kvantarvutite t\u00f6\u00f6 p\u00f5hineb kvantf\u00fc\u00fcsika kahel peamisel n\u00e4htusel: \u00fclestusel ja p\u00f5imumisel.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00dclestus ehk superpositsioon on kvantf\u00fc\u00fcsika omadus, mis v\u00f5imaldab kvantbittidel olla korraga mitmes olekus. Kui klassikaline bitt v\u00f5ib olla kas 0 v\u00f5i 1, siis kubitt v\u00f5ib eksisteerida \u00fclestusolekus, olles samaaegselt nii 0 kui 1. Sellest j\u00e4reldub, et kvantarvutid t\u00f6\u00f6tlevad paralleelselt palju rohkem teavet kui tavalised arvutid.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u00f5imumine on teine oluline kvantf\u00fc\u00fcsika n\u00e4htus, millel on kvantarvutite t\u00f6\u00f6s v\u00f5tmeroll. P\u00f5imumisel seostuvad kaks v\u00f5i enam kubitti \u00fcksteisega niiv\u00f5rd, et \u00fche kubiti oleku muutmine m\u00f5jutab automaatselt viivituseta teise kubiti olekut, s\u00f5ltumata nende omavahelisest f\u00fc\u00fcsilisest kaugusest. See v\u00f5imaldab kvantarvutitel sooritada keerulisi arvutusi kui r\u00e4niraalidel.&nbsp;<\/p>\n<\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"304\" height=\"420\" src=\"https:\/\/kvant.ee\/wp-content\/uploads\/2024\/10\/Image-13.png\" alt=\"\" class=\"wp-image-459 size-full\" srcset=\"https:\/\/kvant.ee\/wp-content\/uploads\/2024\/10\/Image-13.png 304w, https:\/\/kvant.ee\/wp-content\/uploads\/2024\/10\/Image-13-217x300.png 217w\" sizes=\"auto, (max-width: 304px) 100vw, 304px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Kvantarvutites kasutatakse erilisi kvantportide ja -loogikav\u00f5rgustikke, mis muudavad kubittide olekuid ja rakendavad kvantarvutusalgoritme. Sellised algoritmid v\u00f5ivad h\u00f5lmata keerulisi matemaatilisi tehteid, mille teostamine eeldab tohutut paralleelset t\u00f6\u00f6tlemisv\u00f5imsust ja s\u00fcvateadmisi kvantelektrod\u00fcnaamikas.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-custom-3-font-size\" id=\"kvantarvutite-eelised-ja-puudused\">Kvantarvutite eelised ja puudused<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kvantraal on kiire ja t\u00f5hus teatud t\u00fc\u00fcpi arvutuste sooritamisel. \u00dclestuse ja p\u00f5imumisega lahendab kvantarvuti keerulisi matemaatilisi ja optimeerimistehteid, mida tavaarvuti ei oska. N\u00e4iteks v\u00f5ib kvantarvuti lahendada suurtel arvudel p\u00f5hinevaid kr\u00fcptograafilisi probleeme, mis on muidu liiga aegan\u00f5udev.Ennustatakse kasu ka kr\u00fcptograafiale ja andmeturbele. Kvantarvutid murravad m\u00e4ngleva kergusega l\u00e4bi moodsatest kr\u00fcpteerimisalgoritmidest, ent pakuvad vastukaaluks enneolematut turvataset kvantkr\u00fcptograafia kujul kas v\u00f5i kvantv\u00f5tme jaotusega, mis tagab t\u00e4ielikult turvalise privaatse suhtluse.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kvantarvuti puudus: tehnoloogiline keerukus ja ebastabiilsus. Ehitamiseks on vaja v\u00e4ga keerulisi ja kalleid seadmeid, mis peavad t\u00f6\u00f6tama kohati avakosmosest k\u00fclmemal temperatuuril, et s\u00e4ilitada kubittide kvantolekuid. Lisaks on kvantarvutid \u00e4\u00e4rmiselt tundlikud keskkonnam\u00f5jude, sh soojuse ja elektromagnetiliste h\u00e4irete, suhtes, mis p\u00f5hjustab arvutust\u00f5rkeid ja -vigu. Seet\u00f5ttu seisab ees k\u00fcllaldaselt teadus- ja arendustegevust, et soodustada kvantarvutite laialdast kasutuselev\u00f5ttu etten\u00e4htud rakendustes.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"864\" height=\"533\" src=\"https:\/\/kvant.ee\/wp-content\/uploads\/2024\/11\/Image-14.png\" alt=\"\" class=\"wp-image-635\" srcset=\"https:\/\/kvant.ee\/wp-content\/uploads\/2024\/11\/Image-14.png 864w, https:\/\/kvant.ee\/wp-content\/uploads\/2024\/11\/Image-14-300x185.png 300w, https:\/\/kvant.ee\/wp-content\/uploads\/2024\/11\/Image-14-768x474.png 768w\" sizes=\"auto, (max-width: 864px) 100vw, 864px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-custom-3-font-size\" id=\"kvantarvutite-takendused\">Kvantarvutite rakendused<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tehnorevolutsiooni oodatakse paljudes valdkondades, eriti kr\u00fcptograafias ja andmeturbes. Kvantarvutid t\u00f5stavad taset turvalisuses kvantv\u00f5tme jaotuse meetoditega, mis aitavad luua praktiliselt murdmatuid kr\u00fcpteerimismehhanisme. Ekspertide hinnangul murrab kvantarvuti l\u00e4hiaastail l\u00e4bi laialt levinud kr\u00fcptograafilistest algoritmidest, mis on olemuselt keeruliste matemaatiliste tehete komplektid, ajendades t\u00f5husate vastumeetmete leiutamist k\u00fcberturvalisuse valdkonnas.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Oluline rakendusala on teadusuuringud n\u00e4iteks materjaliteaduse ja keemia valdkonnas. Kvantraal simuleerib kvants\u00fcsteeme, mida n\u00fc\u00fcdisarvuti vaevu jaksab modelleerida. Nii rajatakse tee uute materjalide ja kemikaalide avastamiseks, mis omakorda viib l\u00e4bimurreteni meditsiinis, energias ja t\u00f6\u00f6stuses.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kvanttehnoloogia on oluline ka metroloogias, ehk m\u00f5\u00f5tmise teaduses. Tavap\u00e4raste m\u00f5\u00f5tmismeetoditega v\u00f5rreldes tagab kvantmetroloogia parema t\u00e4psuse ja tundlikkuse. See on \u00e4\u00e4rmiselt oluline teadust\u00f6\u00f6s, k\u00f5rgtehnoloogilises t\u00f6\u00f6stuses ja igap\u00e4evaeluski. Kasutades kvantolekuid, nagu \u00fclestus ja p\u00f5imumine, m\u00f5\u00f5davad kvantm\u00f5\u00f5teseadmed pisimaidki muutusi f\u00fc\u00fcsikalistes suurustes\u2014aeg, pikkus, temperatuur ja elektromagnetv\u00e4lja tugevus.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kvantarvuti panustab muuseas finantsanal\u00fc\u00fcsi, pakkudes t\u00e4iustatud meetodeid finantsturgude anal\u00fc\u00fcsiks ja ennustamiseks, keeruliste optimeerimisprobleemide lahendamiseks, nagu riskijuhtimine ja portfelli t\u00f5husus. Lisaks kiirendavat kvantarvutid tehisintellekti ja masin\u00f5ppe arendamist uute algoritmiliste l\u00e4henemistega, et t\u00f5husamalt t\u00f6\u00f6delda ja anal\u00fc\u00fcsida suuri andmehulki.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kokkuv\u00f5ttes toovat kvantarvutid murrangulisi muutusi teaduses, tehnoloogias ja igap\u00e4evaelus, kuid nende arendamine ja laialdane kasutuselev\u00f5tt n\u00f5uab veel palju t\u00f6\u00f6d ja uurimist\u00f6\u00f6d. Kvantarvutid on endiselt arendamise algusj\u00e4rgus, ent sellegipoolest on siin peidus tohutu potentsiaalne m\u00f5ju, v\u00e4\u00e4rides t\u00e4na ja edaspidigi rohkem laiap\u00f5hjalist t\u00e4helepanu.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-custom-3-font-size\">Allaleatavad materjalid<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-679ddeda wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-5eb4e875-1ff7-47aa-9819-82e0962c08ff\" href=\"https:\/\/kvant.ee\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-16-13.02.44-A-professional-event-scene-with-a-modern-and-sleek-design.-There-is-a-large-stage-in-the-background-with-a-banner-reading-Event-Name-Here-and-some-p.webp\">DALL\u00b7E 2024-10-16 13.02.44 &#8211; A professional event scene with a modern and sleek design. There is a large stage in the background with a banner reading &#8216;Event Name Here&#8217; and some p<\/a><a href=\"https:\/\/kvant.ee\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-16-13.02.44-A-professional-event-scene-with-a-modern-and-sleek-design.-There-is-a-large-stage-in-the-background-with-a-banner-reading-Event-Name-Here-and-some-p.webp\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-5eb4e875-1ff7-47aa-9819-82e0962c08ff\">\u00d5ppematerjal.pdf<\/a><\/div>\n\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-5eb4e875-1ff7-47aa-9819-82e0962c08ff\" href=\"https:\/\/kvant.ee\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-16-13.02.44-A-professional-event-scene-with-a-modern-and-sleek-design.-There-is-a-large-stage-in-the-background-with-a-banner-reading-Event-Name-Here-and-some-p.webp\">DALL\u00b7E 2024-10-16 13.02.44 &#8211; A professional event scene with a modern and sleek design. There is a large stage in the background with a banner reading &#8216;Event Name Here&#8217; and some p<\/a><a href=\"https:\/\/kvant.ee\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-16-13.02.44-A-professional-event-scene-with-a-modern-and-sleek-design.-There-is-a-large-stage-in-the-background-with-a-banner-reading-Event-Name-Here-and-some-p.webp\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-5eb4e875-1ff7-47aa-9819-82e0962c08ff\">Lorem ipsum dolor sit amet.pdf<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-5eb4e875-1ff7-47aa-9819-82e0962c08ff\" href=\"https:\/\/kvant.ee\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-16-13.02.44-A-professional-event-scene-with-a-modern-and-sleek-design.-There-is-a-large-stage-in-the-background-with-a-banner-reading-Event-Name-Here-and-some-p.webp\">DALL\u00b7E 2024-10-16 13.02.44 &#8211; A professional event scene with a modern and sleek design. There is a large stage in the background with a banner reading &#8216;Event Name Here&#8217; and some p<\/a><a href=\"https:\/\/kvant.ee\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-16-13.02.44-A-professional-event-scene-with-a-modern-and-sleek-design.-There-is-a-large-stage-in-the-background-with-a-banner-reading-Event-Name-Here-and-some-p.webp\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-5eb4e875-1ff7-47aa-9819-82e0962c08ff\">Lorem ipsum dolor sit amet.pdf<\/a><\/div>\n\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-5eb4e875-1ff7-47aa-9819-82e0962c08ff\" href=\"https:\/\/kvant.ee\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-16-13.02.44-A-professional-event-scene-with-a-modern-and-sleek-design.-There-is-a-large-stage-in-the-background-with-a-banner-reading-Event-Name-Here-and-some-p.webp\">DALL\u00b7E 2024-10-16 13.02.44 &#8211; A professional event scene with a modern and sleek design. There is a large stage in the background with a banner reading &#8216;Event Name Here&#8217; and some p<\/a><a href=\"https:\/\/kvant.ee\/wp-content\/uploads\/2024\/10\/DALL\u00b7E-2024-10-16-13.02.44-A-professional-event-scene-with-a-modern-and-sleek-design.-There-is-a-large-stage-in-the-background-with-a-banner-reading-Event-Name-Here-and-some-p.webp\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-5eb4e875-1ff7-47aa-9819-82e0962c08ff\">Lorem ipsum dolor sit amet.pdf<\/a><\/div>\n<\/div>\n<\/div>\n","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"categories":[],"class_list":["post-1272","oppematerjal","type-oppematerjal","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quantum computers - Kvant<\/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:\/\/kvant.ee\/en\/learning-material\/quantum-computers\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quantum computers - Kvant\" \/>\n<meta property=\"og:description\" content=\"Kvantarvutid on kaasaegse teaduse ja tehnoloogia p\u00f5nevamaid ja kiiremini arenevamaid valdkondi. Kvantraalides kasutatakse kvantf\u00fc\u00fcsika p\u00f5him\u00f5tteid, et luua t\u00e4iesti uusi arvutusv\u00f5imalusi. Erinevalt klassikalistest arvutitest, mis t\u00f6\u00f6tavad binaarsete bittidega, mis v\u00f5ivad olla kas 0 v\u00f5i 1 ehk v\u00e4lja v\u00f5i sisse l\u00fclitatud, t\u00f6\u00f6tavad kvantarvutid kubittidega (kvantbittidega), mis suudavad olla samaaegselt mitmes olekus ehk m\u00f5nev\u00f5rra sarnaselt h\u00e4gusloogika toimimisega. 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Kvantraalides kasutatakse kvantf\u00fc\u00fcsika p\u00f5him\u00f5tteid, et luua t\u00e4iesti uusi arvutusv\u00f5imalusi. Erinevalt klassikalistest arvutitest, mis t\u00f6\u00f6tavad binaarsete bittidega, mis v\u00f5ivad olla kas 0 v\u00f5i 1 ehk v\u00e4lja v\u00f5i sisse l\u00fclitatud, t\u00f6\u00f6tavad kvantarvutid kubittidega (kvantbittidega), mis suudavad olla samaaegselt mitmes olekus ehk m\u00f5nev\u00f5rra sarnaselt h\u00e4gusloogika toimimisega. 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