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Wave packet dynamics in various two-dimensional systems: a unified description

In this article we present an exact and unified description of wave-packet dynamics in various 2D systems in presence of a transverse magnetic field. We consider an initial minimum-uncertainty Gaussian wave-packet, and find that its long term dynamics displays the universal phenomena of spontaneous collapse and quantum revival. We estimate the timescales associated with these phenomena based on very general arguments for various materials, whose carrier dynamics is described either by the Schrödinger equation or by the Dirac equation.

preprint2014arXivOpen access
Ashutosh SinghTutul BiswasTarun Kanti GhoshAmit Agarwal
cond-mat.mes-hall
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Open access4 authors1 topic
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Ashutosh SinghTutul BiswasTarun Kanti GhoshAmit Agarwal

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