Parametric amplification and bidirectional invisibility in PT-symmetric time-Floquet systems
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DOI: 10.1103/physreva.97.013839
Abstract: Parity-time (PT)-symmetric wave devices, which exploit balanced interactions between material gain and loss, exhibit extraordinary properties, including lasing and flux-conserving scattering processes. In a seemingly different research field, periodically driven systems, also known as time-Floquet… read more here.
Keywords: symmetric time; parametric amplification; floquet systems; time ... See more keywords
Floquet systems with Hall effect: Topological properties and phase transitions
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DOI: 10.1103/physrevb.100.045107
Abstract: We study the quantum topological properties of Floquet (time-periodic) systems exhibiting Hall effects due to perpendicular magnetic and electric fields. The systems are charged particles periodically kicked by a one-dimensional cosine potential in the presence… read more here.
Keywords: floquet systems; field; topological properties; electric field ... See more keywords