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The minimum time required for a quantum system to evolve from an arbitraryinitial state to its orthogonal state is known as the quantum speed limit (QSL)time. In this work, we consider the model in which a single qubit moves insidea leaky cavity and then we study the QSL time for this model. Notably, we showthat for both weak and strong coupling regimes, the QSL time increases withincreasing the velocity of the qubit inside the leaky cavity. Moreover, it isobserved that by increasing qubit velocity, the speed of the evolution tends toa constant value and the system becomes more stable.

Quantum speed limit time for moving qubit inside leaky cavity