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Dirac quantum time mirror
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DOI：10.1103/PhysRevB.95.165421.png)
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摘要
En 中文
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.
Keyword:
ELECTRONIC-PROPERTIES
REVERSAL
GRAPHENE
WAVES
DIFFRACTION
HOLOGRAPHY
SYSTEMS
SPACE
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期刊
IF:
3.7
论文数:
15.4W
被引数:
41.0W
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