Apr 14 – 17, 2025
ASC
Europe/Berlin timezone

Beyond the Born-Oppenheimer Approximation: entanglement, squeezing and synchronization

Apr 16, 2025, 3:30 PM
30m
B052 (ASC)

B052

ASC

Theresienstr. 37

Speaker

Prof. Anushya Chandran (Boston University)

Description

I will describe a mixed quantum-classical framework, dubbed the Moving Born-Oppenheimer Approximation (MBOA), to describe the dynamics of slow degrees of freedom coupled to fast ones. The key assumption is that the fast degrees of freedom adiabatically follow a state that depends on the position and momenta of the slow degrees of freedom. The MBOA reveals rich dynamics; for example, the fast degrees of freedom can get entangled and squeezed, and their motion can synchronize with that of the slow degrees of freedom. I will describe these effects in model classical and quantum systems, and discuss potential applications in molecular dynamics, state preparation, and quantum sensing.

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