Fisher and skew information for two-qubit Bell states under decoherence effects
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Quantum Information"
DOI: 10.1142/s0219749920500185
Abstract: We give the explicit expressions of quantum Fisher information and skew information for a two-qubit Bell states. We investigate their dynamics under the decoherence effects: phase-damping channel, ... read more here.
Keywords: information; bell states; two qubit; skew information ... See more keywords
Quantum Coherence and Skew Information with Quantum Phase Transition in One-Dimensional Anisotropic XY Model under Renormalization Group Method
Sign Up to like & getrecommendations! Published in 2021 at "Journal of the Physical Society of Japan"
DOI: 10.7566/jpsj.90.104005
Abstract: We investigate the behaviors of Wigner–Yanase skew information and the l1 norm, as two different measures of quantum coherence, in a tripartite ground state of the anisotropic spin-1/2 XY model. Fo... read more here.
Keywords: model; anisotropic; quantum coherence; skew information ... See more keywords