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What little we remember
KTH, School of Engineering Sciences (SCI), Physics.
2011 (English)In: AIP CONF PROC, 2011, Vol. 1327, 231-239 p.Conference paper (Refereed)
Abstract [en]

The status of phenomenological models is considered and it is argued that they should not be taken as approximations to more fundamental treatments only. To be useful they should work in a consistent world of concepts and their observational manifestations. In this situation, the border between phenomenological theories and fundamental laws is blurred. Within these frames, we discuss the derivations of irreversible master equations when memory effects are significant. In schematic frameworks of derivations, the emergence of irreversibility is followed, and various levels of approximations are presented. Full memory and time-local forms are considered before the Markovian result emerges. The validity of the approximations is discussed.

Place, publisher, year, edition, pages
2011. Vol. 1327, 231-239 p.
, AIP Conference Proceedings, ISSN 0094-243X
Keyword [en]
phemenological models, fundamental laws, approximations, irreversible master equation, memory effects, Markov model
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-34247DOI: 10.1063/1.3567446ISI: 000290369900023ScopusID: 2-s2.0-79955069962OAI: diva2:422813
International Conference Advances in Quantum Theory Vaxjo, SWEDEN, JUN 14-17, 2010
QC 20110613Available from: 2011-06-14 Created: 2011-05-30 Last updated: 2011-06-14Bibliographically approved

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Stenholm, Stig
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