Signatures of chaos in the dynamics of quantum discord

We identify signatures of chaos in the dynamics of discord in a multiqubit system collectively modelled as a quantum kicked top. The evolution of discord between any two qubits is quasiperiodic in regular regions, while in chaotic regions the quasiperiodicity is lost. As the initial wave function is...

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Veröffentlicht in:	Physical review. E, Statistical, nonlinear, and soft matter physics Statistical, nonlinear, and soft matter physics, 2015-03, Vol.91 (3), p.032906, Article 032906
Hauptverfasser:	Madhok, Vaibhav, Gupta, Vibhu, Trottier, Denis-Alexandre, Ghose, Shohini
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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