Delocalization border and onset of chaos in a model of quantum computation

We study the properties of spectra and eigenfunctions for a chain of 1/2 spins (qubits) in an external time-dependent magnetic field and under the conditions of nonselective excitation (when the amplitude of the magnetic field is large). This model is known as a possible candidate for experimental r...

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Veröffentlicht in:	Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics Statistical physics, plasmas, fluids, and related interdisciplinary topics, 2001-11, Vol.64 (5 Pt 2), p.056226-056226, Article 056226
Hauptverfasser:	Berman, G P, Borgonovi, F, Izrailev, F M, Tsifrinovich, V I
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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