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PbPc fiber laser produced stable femtosecond pulses and near-infrared supercontinuum
Lead phthalocyanine saturable absorber enables stable femtosecond pulse generation in fiber laser and broadband near-infrared supercontinuum synthesis.
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Automation lowers rents and widens inequality less within groups
Automation targets high-wage jobs, dissipates worker rents, and offsets productivity gains. Analysis of U.S. data shows automation explains half of wage inequality growth since 1980.
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Skewness and kurtosis explain much of lifespan disparity
Analysis of 41 countries shows how skewness and kurtosis of age-at-death distributions explain mortality compression trends and lifespan disparity patterns from 1751–2019.
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Cold ions enable ion-acoustic waves in asymmetric reconnection
Particle-in-cell simulations characterize ion-acoustic wave excitation and energy transfer mechanisms in asymmetric magnetic reconnection with cold ion populations.
