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Topological Bose-Mott Insulators in a One-Dimensional Optical Superlattice
Topological Bose-Mott Insulators One-Dimensional Optical Superlattice
2016/1/23
Ultracold atoms in optical lattices can be used to simulate strongly correlated many-body models that are central to the understanding of condensed matter physics. This simulation has attracted a lot ...
Photoreflectance study of Al0.45Ga0.55As/GaAs superlattice: optical transitions at the miniband Γ and Π points
superlattice photoreflectance modulation spectroscopy
2011/5/11
In this paper, we present the results of photoreflectance (PR) investigation of an Al0.45Ga0.55As/GaAs superlattice (SL). The modulation spectra have revealed a number of features at both room and low...
Semiconductor-Superlattice Parametric Oscillator as a Subterahertz and Possible Terahertz Radiation Source
Subterahertz Possible Terahertz
2008/10/29
We describe the operation of a semiconductor-superlattice parametric oscillator (SPO) at a subterahertz frequency (near 300 GHz). The oscillator is driven by a microwave source (frequency near 100 GHz...