We report on the existence and nature of Holocene solar and climatic variations on centennial
to millennial timescales. We introduce a new solar activity proxy, based on nitrate (NO 3 − …

40 Gbit/s low-loss silicon optical modulators are demonstrated. The devices are based on
the carrier depletion effect in a pipin diode to generate a good compromise between high …

The combined configuration-interaction–Hylleraas method has been used to calculate the
energies for the ground 2 2 S and the excited 2 2 P and 3 2 D states of the lithium atom. The …

We investigate the effect of surface bipolar magnetic regions (BMRs) on the large-scale
dynamo distributed in the bulk of the convection zone. The study employs the non-linear three-…

… We show the parameters of run M25 following results of Pipin (2021), noteworthy, |$C_{\…
We show the parameters of run M25 following results of Pipin (2021), noteworthy, |$C_{\alpha }^{…

The mean-field dynamo model is employed to study the non-linear dynamo regimes in a
fully convective star of mass 0.3 M ⊙ rotating with period of 10 d. For intermediate value of …

The magnetic field buoyancy is derived in the framework of the mean-field magnetohydrodynamics.
The usual linear dependence of the rise velocity on magnetic energy density is …

The mean electromotive force (MEMF) in a rotating stratified magnetohydrodynamical
turbulence is studied. Our study is based on the mean-field magnetohydrodynamics framework …

Using non-linear mean-field dynamo models, we calculate magnetic cycle parameters, such
as the dynamo cycle period, the amplitude of the total magnetic energy and the Poynting …

A theory of the non-diffusive anisotropic kinetic alpha-effect (“Γ-effect”) for densitystratified
rotating turbulent fluids is developed. No limitations on the rotation rate are imposed and the …