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quant-ph2019★ 11 cited
Qubit-environment Negativity versus Fidelity of conditional environmental states for an NV-center spin qubit interacting with a nuclear environment
Małgorzata Strzałka, Damian Kwiatkowski, Łukasz Cywiński +1
We study the evolution of qubit-environment entanglement, quantified using Negativity, for NV-center spin qubits interacting with an environment of C isotope partially polar…
cond-mat.mes-hall2019★ 23 cited
Influence of nuclear spin polarization on spin echo signal of NV center qubit
Damian Kwiatkowski, Piotr Szańkowski, Łukasz Cywiński
We consider the spin echo dynamics of a nitrogen-vacancy center qubit based the ground state spin manifold, caused by a dynamically polarized nuclear environment. We sh…