Neutrino transport in coherent quasiparticle approximation

We introduce the coherent quasiparticle approximation (cQPA), a model in thermal quantum field theory which describes various effects of temporally varying thermal medium on particle propagation. We present the cQPA Feynman rules and develop related calculational tools. Using these methods we calcul...

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Main Author: Ilmavirta, Joonas
Other Authors: Matemaattis-luonnontieteellinen tiedekunta, Faculty of Sciences, Fysiikan laitos, Department of Physics, University of Jyväskylä, Jyväskylän yliopisto
Format: Master's thesis
Language:eng
Published: 2012
Subjects:
Online Access: https://jyx.jyu.fi/handle/123456789/40152
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author Ilmavirta, Joonas
author2 Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics University of Jyväskylä Jyväskylän yliopisto
author_facet Ilmavirta, Joonas Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics University of Jyväskylä Jyväskylän yliopisto Ilmavirta, Joonas Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics University of Jyväskylä Jyväskylän yliopisto
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description We introduce the coherent quasiparticle approximation (cQPA), a model in thermal quantum field theory which describes various effects of temporally varying thermal medium on particle propagation. We present the cQPA Feynman rules and develop related calculational tools. Using these methods we calculate neutrino self energies in the Standard Model and derive an equation of motion for neutrino propagation in a very general framework. Some immediate implications of this equation are discussed. (More detailed abstract in the PDF file.)
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spellingShingle Ilmavirta, Joonas Neutrino transport in coherent quasiparticle approximation liikeyhtälöt neutrino physics SM QFT TFT cQPA Teoreettinen fysiikka Theoretical Physics 4024 neutriinot fysiikka
title Neutrino transport in coherent quasiparticle approximation
title_full Neutrino transport in coherent quasiparticle approximation
title_fullStr Neutrino transport in coherent quasiparticle approximation Neutrino transport in coherent quasiparticle approximation
title_full_unstemmed Neutrino transport in coherent quasiparticle approximation Neutrino transport in coherent quasiparticle approximation
title_short Neutrino transport in coherent quasiparticle approximation
title_sort neutrino transport in coherent quasiparticle approximation
title_txtP Neutrino transport in coherent quasiparticle approximation
topic liikeyhtälöt neutrino physics SM QFT TFT cQPA Teoreettinen fysiikka Theoretical Physics 4024 neutriinot fysiikka
topic_facet 4024 QFT SM TFT Teoreettinen fysiikka Theoretical Physics cQPA fysiikka liikeyhtälöt neutriinot neutrino physics
url https://jyx.jyu.fi/handle/123456789/40152 http://www.urn.fi/URN:NBN:fi:jyu-201211012839
work_keys_str_mv AT ilmavirtajoonas neutrinotransportincoherentquasiparticleapproximation