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						<h1 itemprop="headline">Quantum Physics Seminar - Gabriele de Chiara: Quantum work distribution in many-body systems</h1>
						
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									<h2 class="screenreader-only">Oplysninger om arrangementet</h2>

									
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														Mandag 26. maj 2014,
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														&nbsp;kl. 14:15 -  15:30
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													<p class="news-event__info__item__ical-link"><a href="/aktuelt/nyhed/artikel/quantum-physics-seminar-gabriele-de-chiara-quantum-work-distribution-in-many-body-systems?tx_news_pi1%5Bformat%5D=ical&amp;type=9819&amp;cHash=c4b0a2df6740e9b7d2bcaab59a5befd1">Tilføj til kalender</a></p>
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									<p>Coffee and cake will be served at 14.05
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<p><strong>Abstract</strong><br>I will talk about the latest development in quantum thermodynamics regarding the full distribution of work done on a quantum many-body system embodied by chains of harmonic oscillators or spins. I first consider a chain of harmonic oscillators initially uncoupled and in thermal equilibrium. The work done on the system to raise the coupling to a non-zero value is computed. I will discuss the relation between the irreversible work produced and quantum correlations, e.g. entanglement and discord [1]. For a system close to a quantum phase transition, showcased by the 1D transverse Ising model, I will show signatures of criticality in the statistical moments of work and in its characteristic function [2].
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<p><br><strong>References</strong><br>[1] A. Carlisle, L. Mazzola, M. Campisi, J. Goold, F. L. Semião, A. Ferraro, F. Plastina, V. Vedral, G. De Chiara, M. Paternostro,&nbsp; arXiv:1403.0629<br>[2] L. Fusco, S. Pigeon, T. Apollaro, A. Xuereb, L. Mazzola, M. Campisi, A. Ferraro, M. Paternostro, and G. De Chiara, arXiv:1404.3150.</p>
								
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