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quant-ph2022★ 4 cited
Parameterizing density operators with arbitrary symmetries to gain advantage in quantum state estimation
Inés Corte, Marcelo Losada, Diego Tielas +2
In this work, we show how to parameterize a density matrix that has an arbitrary symmetry, knowing the generators of the Lie algebra (if the symmetry group is a connected Lie group…
quant-ph2022
Selective and efficient quantum process tomography for non-trace preserving maps: a superconducting quantum processor implementation
Quimey Pears Stefano, Ignacio Perito, Lorena Rebón
Alternatively to the full reconstruction of an unknown quantum process, the so-called selective and efficient quantum process tomography (SEQPT) allows estimating, individually and…