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[{"key": "dc.contributor.advisor", "value": "Maalampi, Jukka", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Maasilta, Ilari", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "J\u00e4rvinen, Riku", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2018-05-25T13:16:08Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2018-05-25T13:16:08Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2018", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/58136", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Ty\u00f6n tavoitteena oli lokaalirealististen teorioiden ja kvanttimekaniikan lomittumisilmi\u00f6n v\u00e4lisen relaation esittely Bell-tyypin ep\u00e4yht\u00e4l\u00f6iden n\u00e4k\u00f6kulmasta,\npuhtaille lomittuneille kaksitilaj\u00e4rjestelmille. Lomittuminen on luonnon\nkvanttitason vuorovaikutusmekanismi ja resurssi, joka ei ilmene klassisessa\nfysiikassa. Se havainnollistaa joitakin kvanttimekaniikan ehk\u00e4 kummalliselta\nvaikuttavia piirteit\u00e4. Lomittumisella on t\u00e4rke\u00e4 rooli kvanttilaskennan ja\nkvantti-informaatioteorian tutkimuskentill\u00e4 sek\u00e4 sovellusalueilla.\nBell-tyypin ep\u00e4yht\u00e4l\u00f6 on klassisen todennn\u00e4k\u00f6isyysteorian kautta matemaattisesti\njohdettu ehto, joka asettaa tarkan yl\u00e4rajan toisistaan kaukana olevien\nhiukkasten v\u00e4listen yhteismittausten (tilastollisille) korrelaatioille, kun kyseess\u00e4\non suuri hiukkasten ensemble. P\u00e4\u00e4ttelyn taustalla ovat objektiiviset ja lokaalit\neli lokaalirealistiset oletukset, jotka kuulostavat ehk\u00e4 intuitiivisesti luonnollisilta.\nNe sanovat, ett\u00e4 luontoa voidaan kuvata erillisten objektien avulla ja\nkaksi toisistaan kaukana olevaa objektia eiv\u00e4t voi vuorovaikuttaa kesken\u00e4\u00e4n\nsiten, ett\u00e4 vuorovaikutus etenisi valoa nopeammin. Kvanttiteoria kuitenkin\nsallii suuremman arvon korrelaatioille kuin klassinen todenn\u00e4k\u00f6isyysteoria.\nBellin teoreema on osoitettu my\u00f6s kokeellisesti. Bell-kokeissa mitattava ominaisuus\non tyypillisesti hiukkasen spin, polarisaatio tai vastaava dikotominen\nsuure. Jos puhtaassa tilassa oleva kvanttimekaaninen j\u00e4rjestelm\u00e4 \u2019\u2019rikkoo\u2019\u2019 Bell-tyypin ep\u00e4yht\u00e4l\u00f6\u00e4 (joka voi olla tilan muodosta riippuva) eli kvanttimekaniikka\nennustaa mittaustuloksille ep\u00e4yht\u00e4l\u00f6n asettamaa yl\u00e4rajaa suuremman korrelaation,\non j\u00e4rjestelm\u00e4 lomittunut. T\u00e4t\u00e4 kutsutaan Gisinin teoreemaksi, joka\nkiteytt\u00e4\u00e4 hyvin ty\u00f6n tavoitteen. Ty\u00f6ss\u00e4 tehtiin laajahko yhteenveto Bell-tyypin ep\u00e4yht\u00e4l\u00f6iden historiasta ja kehityksest\u00e4, keskittyen mm. EPR-argumenttiin ja sen tulkintaan, piilomuuttujateorioiden t\u00e4rkeimpiin ominaisuuksiin ja historiaan, Bellin teoreemaan, keskeisimpiin Bellin ep\u00e4yht\u00e4l\u00f6ihin ja niiden yleistyksiin sek\u00e4 Bellin ep\u00e4yht\u00e4l\u00f6iden kokeelliseen testaamiseen. Lis\u00e4ksi osoitettiin Gisinin teoreema kahdelle kuditille sek\u00e4 n:lle kubitille yleistetyss\u00e4 GHZ-tilassa k\u00e4ytt\u00e4en Hardy-tyypin\nep\u00e4yht\u00e4l\u00f6\u00e4. Gisinin teoreema on teoreettinen ty\u00f6kalu, jonka avulla voidaan selvitt\u00e4\u00e4, onko annettu puhdas kvanttitila lomittunut vai ei.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Miia Hakanen (mihakane@jyu.fi) on 2018-05-25T13:16:08Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2018-05-25T13:16:08Z (GMT). No. of bitstreams: 0\n Previous issue date: 2018", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "135", "language": "", "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "ep\u00e4lokaalisuus", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "Bellin teoreema", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Puhtaiden lomittuneiden kubittien Bell-tyypin ep\u00e4lokaalisuus ja Gisinin teoreema", "language": "", "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-201805252803", "language": "", "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Matemaattis-luonnontieteellinen tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Sciences", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Fysiikan laitos", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Department of Physics", "language": "en", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Teoreettinen fysiikka", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Theoretical Physics", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "yvv.contractresearch.funding", "value": "0", "language": "", "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_bdcc", "language": null, "element": "type", "qualifier": "coar", "schema": "dc"}, {"key": "dc.rights.accesslevel", "value": "openAccess", "language": null, "element": "rights", "qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "masterThesis", "language": null, "element": "type", "qualifier": "publication", "schema": "dc"}, {"key": "dc.subject.oppiainekoodi", "value": "4024", "language": "", "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "kvanttimekaniikka", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "ep\u00e4yht\u00e4l\u00f6t", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "fysiikka", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.format.content", "value": "fulltext", "language": null, "element": "format", "qualifier": "content", "schema": "dc"}, {"key": "dc.rights.url", "value": "https://rightsstatements.org/page/InC/1.0/", "language": null, "element": "rights", "qualifier": "url", "schema": "dc"}, {"key": "dc.type.okm", "value": "G2", "language": null, "element": "type", "qualifier": "okm", "schema": "dc"}]
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