After decades of steady growth, the number of high school students taking physics declined by 0.9% between academic years 2018-19 and 2023-24; the number of high school seniors grew by 1.2% over this ...
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where μ = (μ R + μ L)/2 and T are the chemical potential and the temperature, and v is the Fermi velocity. The chiral anomaly of quantum electrodynamics dictates that the parallel external electric ...