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13 papers · 1 filter
Sensitivity of microwave and FIR spectra to variation of fundamental constants
M. G. Kozlov, A. V. Lapinov, S. A. Levshakov
We estimate sensitivity coefficients to variation of the fine-structure constant alpha and electron-to-proton mass ratio mu for microwave Lambda-type transitions in CH molecule and…
Directional Radiation and Photodissociation Regions in Molecular Hydrogen Clouds
S. A. Balashev, D. A. Varshalovich, A. V. Ivanchik
Some astrophysical observations of molecular hydrogen point to a broadening of the velocity distribution for molecules at excited rotational levels. This effect is observed in both…
A solar cycle lost in 1793--1800: Early sunspot observations resolve the old mystery
Ilya G. Usoskin, Kalevi Mursula, Rainer Arlt +1
Because of the lack of reliable sunspot observation, the quality of sunspot number series is poor in the late 18th century, leading to the abnormally long solar cycle (1784--1799)…
Pump-Probe Faraday Rotation and Ellipticity in an Ensemble of Singly Charged Quantum Dots
I. A. Yugova, M. M. Glazov, E. L. Ivchenko +1
A description of spin Faraday rotation, Kerr rotation and ellipticity signals for single- and multi-layer ensembles of singly charged quantum dots (QDs) is developed. The microscop…
Electron-electron scattering effect on spin relaxation in multi-valley nanostructures
M. M. Glazov, E. L. Ivchenko
We develop a theory of effects of electron-electron collisions on the Dyakonov-Perel' spin relaxation in multi-valley quantum wells. It is shown that the electron-electron scatteri…
Nuclear fusion reaction rates for strongly coupled ionic mixtures
A. I. Chugunov, H. E. De Witt
We analyze the effect of plasma screening on nuclear reaction rates in dense matter composed of atomic nuclei of one or two types. We perform semiclassical calculations of the Coul…