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SUMMARY:CM Seminar: Domenico Giuliano – Department of Physics\, Università della Calabria\, Italy: Dissipation driven dynamical topological phase transitions in two-dimensional superconductors
DESCRIPTION:Domenico Giuliano – Department of Physics\, Università della Calabria\, Italy\nTitle: Dissipation driven dynamical topological phase transitions in two-dimensional superconductors \nAbstract: By quenching the interaction strength\, we induce and study a topological dynamical phase transition between superconducting phases of a planar fermionic model. Using the Lindblad Master Equation approach to account for the interactions of Bogoliubov quasiparticles among themselves and with the fluctuations of the superconducting order parameter\, we derive the corresponding relaxation dynamics of the order parameter. To fully characterize the phase transition\, we also compute the fidelity and the spin-Hall conductance of the system. Our approach provides us crucial informations for experimental implementations\, such as the dependence of the critical time on the system-bath coupling. \nSpeaker Bio: Domenico Giuliano has received his Ph. D. in 1998 from the Università di Napoli (Naples University) “Federico II” – Italy. During his Ph. D. he has spent six months at Stanford University\, under the supervision of Prof. Robert Laughlin. After graduating\, he moved back to Stanford\, on a two-year post-doc appointment\, supervised again by Prof. Laughlin. After that\, he has spent  two more years in Napoli as a post-doc research associate under the supervision of Prof. Arturo Tagliacozzo\, in 2003 he has become a university researcher at the University of Calabria\, in Soutern Italy. From year 2020 he is an associate professor of theorical physics at the same university. In the past\, he has been visiting several times the department of Physics at the University of British Coumbia\, on a long-lasting scientific collaboration with Prof. Ian Affleck and his group.  Domenico’s main research interest are in theoretical condensed matter. They include: Fractionalization of quantum number and fractional statistics; Low-dimensional correlated system\, including one-dimensional Luttinger liquids; Topological insulators and topological superconductors; Kondo effect and its applications; Quantum phase transitions.
URL:https://qmi.ubc.ca/event/cm-seminar-domenico-giuliano-department-of-physics-universita-della-calabria-italy-dissipation-driven-dynamical-topological-phase-transitions-in-two-dimensional-superconductors/
LOCATION:BRIM 311\, 2355 East Mall\, Vancouver\, British Columbia\, V6T 1Z4\, Canada
ORGANIZER;CN="Aditi Adhikari":MAILTO:aditi.adhikari@ubc.ca
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