Dynamics of large-scale solar flows

H Hotta, Y Bekki, L Gizon, Q Noraz, M Rast - Space Science Reviews, 2023 - Springer
The Sun's axisymmetric large-scale flows, differential rotation and meridional circulation, are
thought to be maintained by the influence of rotation on the thermal-convective motions in …

Rossby waves in astrophysics

TV Zaqarashvili, M Albekioni, JL Ballester, Y Bekki… - Space Science …, 2021 - Springer
Rossby waves are a pervasive feature of the large-scale motions of the Earth's atmosphere
and oceans. These waves (also known as planetary waves and r-modes) also play an …

Solar inertial modes: Observations, identification, and diagnostic promise

L Gizon, RH Cameron, Y Bekki, AC Birch… - Astronomy & …, 2021 - aanda.org
The oscillations of a slowly rotating star have long been classified into spheroidal and
toroidal modes. The spheroidal modes include the well-known 5-min acoustic modes used …

Theory of solar oscillations in the inertial frequency range: Amplitudes of equatorial modes from a nonlinear rotating convection simulation

Y Bekki, RH Cameron, L Gizon - Astronomy & Astrophysics, 2022 - aanda.org
Context. Several types of inertial modes have been detected on the Sun. Properties of these
inertial modes have been studied in the linear regime, but have not been studied in …

Theory of solar oscillations in the inertial frequency range: Linear modes of the convection zone

Y Bekki, RH Cameron, L Gizon - Astronomy & Astrophysics, 2022 - aanda.org
Context. Several types of global-scale inertial modes of oscillation have been observed on
the Sun. These include the equatorial Rossby modes, critical-latitude modes, and high …

Confinement of the solar tachocline by dynamo action in the radiative interior

LI Matilsky, BW Hindman… - The Astrophysical …, 2022 - iopscience.iop.org
A major outstanding problem in solar physics is the confinement of the solar tachocline, the
thin shear layer that separates nearly solid-body rotation in the radiative interior from strong …

Interaction of solar inertial modes with turbulent convection-A 2D model for the excitation of linearly stable modes

J Philidet, L Gizon - Astronomy & Astrophysics, 2023 - aanda.org
Context. Inertial modes have been observed on the Sun at low longitudinal wavenumbers.
These modes probe the dynamics and structure of the solar convective zone down to the …

Numerical study of non-toroidal inertial modes with l= m+ 1 radial vorticity in the Sun's convection zone

Y Bekki - Astronomy & Astrophysics, 2024 - aanda.org
Various types of inertial modes have been observed and identified on the Sun, including the
equatorial Rossby modes, critical-latitude modes, and high-latitude modes. Recent …

Tidally forced planetary waves in the tachocline of solar-like stars

GM Horstmann, G Mamatsashvili… - The Astrophysical …, 2023 - iopscience.iop.org
Can atmospheric waves in planet-hosting solar-like stars substantially resonate to tidal
forcing, perhaps at a level of impacting the space weather or even being dynamo-relevant …

A spectral solver for solar inertial waves

J Bhattacharya, SM Hanasoge - The Astrophysical Journal …, 2023 - iopscience.iop.org
Inertial waves, which are predominantly driven by the Coriolis force, likely play an important
role in solar dynamics, and, additionally, they provide a window into the solar subsurface …