纤细 发表于 2025-3-23 13:21:01
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Theory of Optical Precursors,dia. The simplest way to interpret the light-matter interaction is the medium optical response to the incident light characterized by dielectric constant . as a function of incident light frequency .. To build a theoretical model of optical precursors, first we derive macroscopic dielectric constant爱国者 发表于 2025-3-24 03:38:45
Searching for Precursors: From Microwave to Primary Optical Experiments,r is reported in coaxial transmission line, where SB precursors exist in microwave. Later, precursors are studied and measured experimentally in sound-wave domain, with superfluid .He-. prepared closer to “resonant regime”. The first optical precursor was reported in infrared light propagated througMusculoskeletal 发表于 2025-3-24 06:31:30
Observation of Optical Precursors in Cold Atoms,ervation in a cloud of potassium cold atoms. Later, Wei et al. reported observation in a 2-dimensional magneto-optical trap with optical depth as high as 50, with the assistance of EIT effect. With the advent of cold atom traps and tunable diode lasers, we now have a single physical system with paranugatory 发表于 2025-3-24 11:49:40
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ndices, this study applied the parametric Multivariate Standardized Drought Index (MSDI) for drought monitoring in the Marathwada region. The index is constructed using historical time series of precipitation and soil moisture by engaging copula functions. The drought conditions characterized by MSD事情 发表于 2025-3-25 00:05:28
Jiefei Chen,Heejeong Jeong,Michael M. T. Loy,Shengwang Duputra, and the Meghna. The Government of Bangladesh has policies and plans regarding water resource management, disaster risk reduction, and land reclamation from the riverbed. Such policies and plans include narrowing down, channelizing and stabilizing the Padma River, and constructing structures o