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Stronger Quantum Speed Limit For Mixed Quantum States
Published 5 Jul 2023 in quant-ph | (2307.02215v3)
Abstract: We derive a quantum speed limit for mixed quantum states using the stronger uncertainty relation for mixed quantum states and unitary evolution. We also show that this bound can be optimized over different choices of operators for obtaining a better bound. We illustrate this bound with some examples and show its better performance with respect to some earlier bounds.
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