Aikariippuvan Diracin yhtälön numeerisesta ratkaisemisesta

Tässä opinnäytetyössä tarkastellaan Diracin yhtälön numeerista ratkaisemista sekä tähän liittyviä haasteita. Diracin yhtälö on keskeinen kvanttifysiikan ilmiöitä kuvaava yhtälö, jonka ratkaisemiseen on esitetty kirjallisuudessa useita erilaisia menetelmiä. Tässä opinnäytetyössä keskitytään tarkastel...

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Main Author: Parviainen, Osmo
Other Authors: Informaatioteknologian tiedekunta, Faculty of Information Technology, Informaatioteknologia, Information Technology, University of Jyväskylä, Jyväskylän yliopisto
Format: Bachelor's thesis
Language:fin
Published: 2017
Subjects:
Online Access: https://jyx.jyu.fi/handle/123456789/53005
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author Parviainen, Osmo
author2 Informaatioteknologian tiedekunta Faculty of Information Technology Informaatioteknologia Information Technology University of Jyväskylä Jyväskylän yliopisto
author_facet Parviainen, Osmo Informaatioteknologian tiedekunta Faculty of Information Technology Informaatioteknologia Information Technology University of Jyväskylä Jyväskylän yliopisto Parviainen, Osmo Informaatioteknologian tiedekunta Faculty of Information Technology Informaatioteknologia Information Technology University of Jyväskylä Jyväskylän yliopisto
author_sort Parviainen, Osmo
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description Tässä opinnäytetyössä tarkastellaan Diracin yhtälön numeerista ratkaisemista sekä tähän liittyviä haasteita. Diracin yhtälö on keskeinen kvanttifysiikan ilmiöitä kuvaava yhtälö, jonka ratkaisemiseen on esitetty kirjallisuudessa useita erilaisia menetelmiä. Tässä opinnäytetyössä keskitytään tarkastelemaan menetelmää, jossa yhtälön ratkaisemiseen sovelletaan operaattorinjakoa ja karakteristista menetelmää. Yhtälön ratkaiseminen vaatii paljon aikaa ja laskentaresursseja, joten laskennan tehostaminen rinnakkaislaskennan keinoin on välttämätöntä. In this paper the numerical solution of the Dirac equation is studied along with its challenges. The Dirac equation is a central equation describing the phenomenons of the quantum physics and there are plenty of different methods suggested in the literature on solving the equation. This paper concentrates on solving the Dirac equation with a combination of operator splitting and the method of characteristics. Solving the equation requires a lot of time and computational resources and hence it is necessary to enhance the computation by means of parallel computing.
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spellingShingle Parviainen, Osmo Aikariippuvan Diracin yhtälön numeerisesta ratkaisemisesta Diracin yhtälö aikariippuva rinnakkaislaskenta Tietotekniikka Mathematical Information Technology
title Aikariippuvan Diracin yhtälön numeerisesta ratkaisemisesta
title_full Aikariippuvan Diracin yhtälön numeerisesta ratkaisemisesta
title_fullStr Aikariippuvan Diracin yhtälön numeerisesta ratkaisemisesta Aikariippuvan Diracin yhtälön numeerisesta ratkaisemisesta
title_full_unstemmed Aikariippuvan Diracin yhtälön numeerisesta ratkaisemisesta Aikariippuvan Diracin yhtälön numeerisesta ratkaisemisesta
title_short Aikariippuvan Diracin yhtälön numeerisesta ratkaisemisesta
title_sort aikariippuvan diracin yhtälön numeerisesta ratkaisemisesta
title_txtP Aikariippuvan Diracin yhtälön numeerisesta ratkaisemisesta
topic Diracin yhtälö aikariippuva rinnakkaislaskenta Tietotekniikka Mathematical Information Technology
topic_facet Diracin yhtälö Mathematical Information Technology Tietotekniikka aikariippuva rinnakkaislaskenta
url https://jyx.jyu.fi/handle/123456789/53005 http://www.urn.fi/URN:NBN:fi:jyu-201702091406
work_keys_str_mv AT parviainenosmo aikariippuvandiracinyhtälönnumeerisestaratkaisemisesta