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arXiv · 1903.07888

Achieving Heisenberg limit under General Markov Noise without Ancilla

Yi Peng·Heng Fan
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Abstract

We consider probing qubits infested by general Makovian noise. It can be shown that one can restore Heisenberg limit (HL) via full and fast control without any ancilla, as long as the Hamiltonian of the system has non-vanishing component perpendicular to the noise

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Yi Peng, Heng Fan. 2019-03-19. Achieving Heisenberg limit under General Markov Noise without Ancilla. https://doi.org/10.1007/s11128-020-02749-8

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