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quant-ph2016★ 2 cited
Coherence in quantum estimation
Paolo Giorda, Michele Allegra
The geometry of quantum states provides a unifying framework for estimation processes based on quantum probes, and it allows to derive the ultimate bounds of the achievable precisi…
quant-ph2014★ 116 cited
Quantum brachistochrone curves as geodesics: obtaining accurate control protocols for time-optimal quantum gates
Xiaoting Wang, Michele Allegra, Kurt Jacobs +3
Most methods of optimal control cannot obtain accurate time-optimal protocols. The quantum brachistochrone equation is an exception, and has the potential to provide accurate time-…