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DY: Fachverband Dynamik und Statistische Physik

DY 10: Quantum Dynamics, Decoherence and Quantum Information (joint session DY/ TT)

DY 10.4: Vortrag

Montag, 16. März 2015, 15:45–16:00, BH-N 334

Verification for quantum emulation in thermal equilibrium — •Iris Schwenk, Michael Marthaler, and Gerd Schön — Institut für Theoretische Festkörperphysik - KIT , Karlsruhe

A quantum emulator is an experimental setup that mimics an interesting physical system of some relevance for physics or applications. In order to explore the reliability of a quantum emulator we analyse a system-bath setting in thermal equilibrium. Therefore we compute the reduced density matrix of the system analytically. Applying a diagrammatic approach we get a determining equation for the reduced density matrix. Using this equation we discuss restrictions of the scalability of a quantum emulator and possibilities to avoid them.