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SUMMARY:Simulations in a Dynamic Basis - Matthew Ord\, Cavendish Laborator
 y\, University of Cambridge
DTSTART:20251028T153000Z
DTEND:20251028T163000Z
UID:TALK240001@talks.cam.ac.uk
CONTACT:Boyao Liu
DESCRIPTION:Simulating quantum systems is computationally expensive largel
 y because of the amount of “state” that must be propagated. Classical 
 diffusion can be described efficiently by just two variables\, x and p\, w
 hereas quantum state diffusion requires tracking a wavefunction with hundr
 eds of complex degrees of freedom. This becomes especially challenging whe
 n studying long-timescale behavior\, where the wavefunction must be large 
 enough to represent the system across its entire configuration space.\n\nI
 n this talk\, I will present a new approach to simulating quantum diffusio
 n which makes use of a dynamic basis to greatly reduce the amount of state
  we must propagate. I show that with this approach we need only a single c
 omplex variable to describe the state of an open harmonic system.
LOCATION:Seminar Room - North\, Ray Dolby Centre\, Cavendish Laboratory
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