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Identifier 000463136
Title Strong transitions driven by stochastic fields and open quantum systems’ dynamics
Alternative Title Ισχυρές μεταβάσεις αγόμενες από στοχαστικά πεδία και δυναμικές ανοιχτών κβαντικών συστημάτων
Author Μουλουδάκης, Γεώργιος-Ευθύμιος Β.
Thesis advisor Λαμπρόπουλος, Παναγιώτης
Νικολόπουλος, Γεώργιος
Reviewer Ρακιτζής, Θεόδωρος-Πέτρος
Κομίνης, Ιωάννης
Μακρής, Κωνσταντίνος
Σωτηριάδης, Σωτήριος
Petrosyan, David
Abstract This thesis explores aspects on two broad parts of the field of quantum system dynamics, namely, the strong interaction between matter and stochastically fluctuating radiation and the dynamics of open quantum systems. In the first topic, we investigate atomic transitions under strong driving using squeezed radiation, which is known to exhibit photon super-bunching properties and explore its effects on double optical resonance (DOR) in pump and probe setups. Additionally, we study the phenomenon of electron-positron pair creation in presence of stochastic radiation and explore the possibility of observing a non-linear enhancement of the process in the multi-photon regime due to photon correlation effects of the radiation. In the second topic, we analyze various aspects, including qubit correlations in non-Markovian environments, fidelity of quantum state transfer in the presence of non-Markovian dissipation, new methods of quantitatively evaluating non-Markovianity in open quantum systems, the relationship between the Quantum Zeno effect and exceptional points in non-Markovian open quantum systems, as well as the phenomenon of single-resonance autoionization viewed from the perspective of non-Hermitian physics. This thesis contributes to our understanding of strong driving effects and the dynamics of open quantum systems, shedding light on fundamental quantum phenomena and paving the way for future advancements in intriguing areas of active research.
Language English
Subject Strong light-matter interactions
Ανοιχτά κβαντικά συστήματα
Ισχυρές αλληλεπιδράσεις ύλης-ακτινοβολίας
Στοχαστικά πεδία
Issue date 2024-03-11
Collection   School/Department--School of Sciences and Engineering--Department of Physics--Doctoral theses
  Type of Work--Doctoral theses
Permanent Link https://elocus.lib.uoc.gr//dlib/6/8/3/metadata-dlib-1710147505-163524-32207.tkl Bookmark and Share
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