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quant-ph2026
Contractivity of time-dependent driven-dissipative systems
Lasse H. Wolff, Daniel Malz, Rahul Trivedi
In a number of physically relevant contexts, a quantum system interacting with a decohering environment is simultaneously subjected to time-dependent controls and its dynamics is t…
quant-ph2025
Fundamental Limit on the Power of Entanglement Assistance in Quantum Communication
Lasse H. Wolff, Paula Belzig, Matthias Christandl +2
The optimal rate of reliable communication over a quantum channel can be enhanced by pre-shared entanglement. Whereas the enhancement may be unbounded in infinite-dimensional setti…