Towards a quantum time mirror for non-relativistic wave packets
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We propose a method - a quantum time mirror (QTM) - for simulating a partial time-reversal of the free-space motion of a non-relativistic quantum wave packet. The method is based on a short-time spatially homogeneous perturbation to the wave packet dynamics, achieved by adding a nonlinear time-dependent term to the underlying Schrödinger equation. Numerical calculations, supporting our analytical considerations, demonstrate the effectiveness of the proposed QTM for generating a time-reversed echo image of initially localized matter-wave packets in one and two spatial dimensions. We also discuss possible experimental realizations of the proposed QTM.
|Number of pages||9|
|Journal||New Journal of Physics|
|Publication status||Published - 26 Mar 2018|
Final published version, 1.19 MB, PDF document
Licence: CC BY