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arXiv · 1603.07503

Dirac quantum time mirror

Phillipp Reck·Cosimo Gorini·Arseni Goussev·Viktor Krueckl·Mathias Fink·Klaus Richter
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Abstract

Both metaphysical and practical considerations related to time inversion have intrigued scientists for generations. Physicists have strived to devise and implement time-inversion protocols, in particular different forms of "time mirrors" for classical waves. Here we propose an instantaneous time mirror for quantum systems, i.e., a controlled time discontinuity generating wave function echoes with high fidelities. This concept exploits coherent particle-hole oscillations in a Dirac spectrum in order to achieve population reversal, and can be implemented in systems such as (real or artificial) graphene.

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Phillipp Reck, Cosimo Gorini, Arseni Goussev, Viktor Krueckl, Mathias Fink, Klaus Richter. 2018-01-03. Dirac quantum time mirror. https://doi.org/10.1103/physrevb.95.165421

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