Sep. 20, 2021
PKU researchers unveil how sleep deprivation causes cognitive impairment
Peking University, September 20, 2021:Sleep deprivation (SD) is a common phenomenon in today’s society. While many of us may have an inkling of the detrimental effects of insufficient sleep, we continue to delay our bedtime, and our life could no longer do without a late sleep sc...
Jun. 01, 2021
Stimulated Scattering in Supermode Microcavities: Single- or Dual-mode Lasing?
Peking University, June 1, 2021:Stimulated scattering in supermode microcavities, such as Raman or Brillouin lasers, has shown unprecedented merit for precision measurements by exploiting the beat note in their lasing spectra. This beat note corresponds to the energy splitting of...
Mar. 22, 2021
An exotic metal-insulator transition in a surface-doped transition metal dichalcogenide
Metal-insulator transition (MIT) driven by many-body interactions is an important phenomenon in condensed matter physics. Exotic phases always emerge around the metal-insulator transition points where quantum fluctuations arise from a competition among spin, charge, orbital, and...
Mar. 11, 2021
Toward a more comprehensive understanding of aridity changes over global drylands
Global drylands are experiencing faster-than-average warming and are also among the most vulnerable regions to climate change. Meteorological metrics all point to an emerging trend of increased surface aridity, raising concerns of land desertification and degradation. However, re...
Dec. 22, 2020
Localized magnetic moments induced by atomic vacancies in transition metal dichalcogenide flakes
The emergence of two-dimensional (2D) materials provides an excellent platform for exploring and modulating exotic physical properties in the 2D limit, and has driven the development of modern condensed matter physics and nanoelectronic devices. Among various exotic physical prop...
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