Putting mechanics back into the quantum: Decoherence and dissipation – Niels Bohr Institute - University of Copenhagen

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Niels Bohr Institute > Calendar > 2008 > Putting mechanics back...

Putting mechanics back into the quantum: Decoherence and dissipation

Quantum-electromechanical systems are nanoscale mechanical
resonators that have been widely studied and appreciated through  
both experiment and theory. Despite their macroscopic size and  
mechanical, ordinary-matter nature, these resonators can exhibit  
distinct quantum behavior that is of great interest and promise to  
an experimental exploration of questions in the foundations of  
quantum mechanics. First, I will sketch the feasibility and features 
of "cat states" involving macroscopically distinct positions. I will 
then present two models for decoherence and dissipation in 
nanomechanical resonators that are inspired by recent experimental 
evidence. The models also close an important gap in the set of 
"canonical" models of decoherence.

By Maximilian Schlosshauer