Relevant bibliographies by topics / Dynamical quantum phase transitions

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  1. Dissertations / Theses

Academic literature on the topic 'Dynamical quantum phase transitions'

Author: Grafiati
Published: 4 June 2021
Last updated: 27 April 2022

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Dissertations / Theses on the topic "Dynamical quantum phase transitions"

1

Hines, Andrew Peter. "Entanglement, dynamical bifurcations and quantum phase transitions /." [St. Lucia, Qld.], 2005. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19792.pdf.

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Macieszczak, Katarzyna. "Metrology, metastability and dynamical phase transitions in open quantum systems." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/39811/.

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In this thesis we explore aspects of dynamics of open quantum systems related to coherence and quantum correlations - necessary resources for enhanced quantum metrology and quantum computation. We first discuss limits to the precision of parameter estimation when using a quantum system in the presence of noise. To this end we introduce a variational principle for the quantum Fisher information (QFI) bounding the estimation errors of any measurement, which motivates an efficient iterative algorithm for finding optimal system preparations for noisy estimation experiments. Furthermore, we investi
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van, Horssen Merlijn. "Large deviations and dynamical phase transitions for quantum Markov processes." Thesis, University of Nottingham, 2014. http://eprints.nottingham.ac.uk/27741/.

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Quantum Markov processes are widely used models of the dynamics open quantum systems, a fundamental topic in theoretical and mathematical physics with important applications in experimental realisations of quantum systems such as ultracold atomic gases and new quantum information technologies such as quantum metrology and quantum control. In this thesis we present a mathematical framework which effectively characterises dynamical phase transitions in quantum Markov processes, using the theory of large deviations, by combining insights developed in non-equilibrium dynamics with techniques from
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Braun, Simon. "Negative absolute temperature and the dynamics of quantum phase transitions." Diss., Ludwig-Maximilians-Universität München, 2014. http://nbn-resolving.de/urn:nbn:de:bvb:19-180026.

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In dieser Promotionsarbeit präsentiere ich die erstmalige Realisierung eines Zustands negativer absoluter Temperatur für bewegliche Teilchen, sowie zusätzlich die detaillierte Untersuchung der Dynamik eines Quantenphasenübergangs. Als Grundlage für die Experimente dienten uns ultrakalte Atome in optischen Gittern, die durch den Bose-Hubbard Hamilton-Operator beschrieben werden können. Das Charakteristikum negativer Temperaturen ist eine invertierte Besetzungsverteilung, bei der Zustände hoher Energien stärker besetzt sind als niederenergetische Zustände. Daraus folgt die experimentelle Herau
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Heyl, Markus Philip Ludwig [Verfasser], and Stefan [Akademischer Betreuer] Kehrein. "Nonequilibrium phenomena in many-body quantum systems : dynamics, thermodynamics, and dynamical phase transitions / Markus Philip Ludwig Heyl. Betreuer: Stefan Kehrein." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2012. http://d-nb.info/1024658619/34.

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Braun, Simon [Verfasser], and Immanuel [Akademischer Betreuer] Bloch. "Negative absolute temperature and the dynamics of quantum phase transitions / Simon Braun. Betreuer: Immanuel Bloch." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2014. http://d-nb.info/1068767162/34.

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Meng, Tobias [Verfasser], Achim [Akademischer Betreuer] Rosch, Simon [Akademischer Betreuer] Trebst, and Jörg [Akademischer Betreuer] Schmalian. "Quantum Critical Matter : Quantum Phase Transitions with Multiple Dynamics and Weyl Superconductors / Tobias Meng. Gutachter: Achim Rosch ; Simon Trebst ; Jörg Schmalian." Köln : Universitäts- und Stadtbibliothek Köln, 2012. http://d-nb.info/1038234174/34.

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Lechtenberg, Benedikt [Verfasser], Frithjof [Akademischer Betreuer] Anders, and Joachim [Gutachter] Stolze. "Equilibrium and nonequilibrium dynamics close to impurity quantum phase transitions / Benedikt Lechtenberg. Betreuer: Frithjof Anders. Gutachter: Joachim Stolze." Dortmund : Universitätsbibliothek Dortmund, 2015. http://d-nb.info/1112270000/34.

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Cinnirella, Alessandro. "Dynamics of the Heisenberg XXZ model across the ferromagnetic transition." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/9341/.

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In questa tesi viene presentata un'analisi numerica dell'evoluzione dinamica del modello di Heisenberg XXZ, la cui simulazione è stata effettuata utilizzando l'algoritmo che va sotto il nome di DMRG. La transizione di fase presa in esame è quella dalla fase paramagnetica alla ferromagnetica: essa viene simulata in una catena di 12 siti per vari tempi di quench. In questo modo si sono potuti esplorare diversi regimi di transizione, da quello istantaneo al quasi-adiabatico. Come osservabili sono stati scelti l'entropia di entanglement, la magnetizzazione di mezza catena e lo spettro dell'entangl
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Aulbach, Maximilian Wolfgang [Verfasser]. "Magnetic order and magnetic phase transitions in triangular or depleted periodic Anderson lattices: Studies within the framework of dynamical mean-field theory powered by hybridization expansion continuous-time quantum Monte Carlo / Maximilian Wolfgang Aulbach." Hamburg : Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky, 2021. http://d-nb.info/1236695046/34.

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