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Title of Journal: Quantum Inf Process

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Abbravation: Quantum Information Processing

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Springer US

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DOI

10.1016/1058-2746(93)90066-P

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1573-1332

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Dynamics of onedimensional tightbinding models w

Authors: W H Hu L Jin Z Song
Publish Date: 2013/08/01
Volume: 12, Issue: 11, Pages: 3569-3585
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Abstract

We study the dynamics of one dimensional tightbinding model with arbitrary timedependent external fields in a rigorous manner The exact propagators of systems with homogeneous electric and magnetic fields are presented by following the pathintegral method The phenomena of Bloch and super Bloch oscillations are revisited in the framework of propagator theory It is shown that the Bloch acceleration theorem can be generalized to the impulsemomentum theorem in a quantum version which provides new tools for quantum state control As an application the stopping and accelerating of a wave packet can be achieved by a pulsed field in a diabatic way which can increase the fault tolerance of the system

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  2. Super quantum discord for general two qubit X states
  3. Non-Markovian entanglement dynamics of two qubits interacting with a common electromagnetic field
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