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quant-ph2025
Time-Convolutionless Master Equation Applied to Adiabatic Elimination
Masaaki Tokieda, Angela Riva
In open quantum systems theory, reduced models are invaluable for conceptual understanding and computational efficiency. Adiabatic elimination is a useful model reduction method fo…
quant-ph2024
Moment expansion method for composite open quantum systems including a damped oscillator mode
Masaaki Tokieda
We consider a damped oscillator mode that is resonantly driven and is coupled to an arbitrary target system via the position quadrature operator. For such a composite open quantum…
quant-ph2024
Complete positivity violation of the reduced dynamics in higher-order quantum adiabatic elimination
Masaaki Tokieda, Cyril Elouard, Alain Sarlette +1
This paper discusses quantum adiabatic elimination, which is a model reduction technique for a composite Lindblad system consisting of a fast decaying sub-system coupled to another…