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physics.optics2022
Origin of degenerate bound states in the continuum in a grating waveguide: Parity symmetry breaking due to mode crossing
Cole Reynolds, Vladimir Kocharovsky, Vitaly Kocharovsky
We explain the origin of bound states in the continuum (BICs) in a planar grating waveguide, in particular, a mechanism for formation of degenerate BICs, via the analytical theory…
cond-mat.stat-mech2022★ 9 cited
Quantum supremacy of the many-body fluctuations in the occupations of the excited particle states in a Bose-Einstein-condensed gas
Vitaly V. Kocharovsky, Vladimir V. Kocharovsky, Sergey V. Tarasov
We find a universal analytic formula for a characteristic function (Fourier transform) of a joint probability distribution for the particle occupation numbers in a BEC gas and the…