Effective mass (m*) is defined as: where x, y, z are the directions in the reciprocal Cartesian space (2Ï€/A), En(k) is the dispersion relation for the n-th electronic band. The explicit form of the ...
Background Quantifying relative harm caused by inhaling the aerosol emissions of vapourised nicotine products compared with smoking combustible tobacco is an important issue for public health. Methods ...
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Morningstar Quantitative Ratings for Stocks are generated using an algorithm that compares companies that are not under analyst coverage to peer companies that do receive analyst-driven ratings.
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