Quantum Physics Seminar - Gabriele de Chiara: Quantum work distribution in many-body systems
Oplysninger om arrangementet
Coffee and cake will be served at 14.05
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 . 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 .
 A. Carlisle, L. Mazzola, M. Campisi, J. Goold, F. L. Semião, A. Ferraro, F. Plastina, V. Vedral, G. De Chiara, M. Paternostro, arXiv:1403.0629
 L. Fusco, S. Pigeon, T. Apollaro, A. Xuereb, L. Mazzola, M. Campisi, A. Ferraro, M. Paternostro, and G. De Chiara, arXiv:1404.3150.