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Related papers: Studying the hybrid pulsator 12 Lacertae: mode ide…

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The goal of this research is to investigate how well various turbulence models can describe physical properties of the upper convective boundary layer of the Sun. An accurate modeling of the turbulence motions is necessary for understanding…

Astrophysics · Physics 2009-11-13 L. Jacoutot , A. G. Kosovichev , A. Wray , N. N. Mansour

Acquiring precise information about the mode content of a laser is critical for multiplexed optical communications, optical imaging with active wave-front control, and quantum-limited interferometric measurements. Hologram-based mode…

Recent photometric observations of first-overtone classical Cepheids and RR Lyrae stars have led to the discovery of additional frequencies showing a characteristic period ratio of 0.60-0.65 with the main pulsation mode. In a promising…

Solar and Stellar Astrophysics · Physics 2021-11-08 H. Netzel , K. Kolenberg

Layered hybrid perovskites have attracted much attention in recent years due to their emergent physical properties and exceptional functional performances, but the coexistence of lattice order and structural disorder severely hinders our…

Findings of a few recent asteroseismic studies of the main-sequence pulsating stars, as performed in Wojciech Dziembowski's group in Warsaw and in Michel Breger's group in Vienna, are briefly presented and discussed. The selected objects…

Astrophysics · Physics 2008-10-13 A. A. Pamyatnykh

We briefly review recent theoretical and simulation studies of charged colloidal dispersions in alternating electric fields (AC fields). The response of single colloid to an external field can be characterized by a complex polarizability,…

Soft Condensed Matter · Physics 2014-01-09 Jiajia Zhou , Friederike Schmid

Context: We present the results of an extensive ground-based photometric and spectroscopic campaign on the gamma Dor CoRoT target HD49434. This campaign was preparatory to the CoRoT satellite observations, which took place from October 2007…

Precise time-series photometry with the MOST satellite has led to identification of 10 pulsation frequencies in the rapidly oscillating Ap (roAp) star HD 134214. We have fitted the observed frequencies with theoretical frequencies of…

Solar and Stellar Astrophysics · Physics 2015-05-30 H. Saio , M. Gruberbauer , W. W. Weiss , J. M. Matthews , T. Ryabchikova

Phase effect on the modal interaction of flow instabilities is investigated for laminar-to-turbulent transition in a flat-plate boundary layer flow. Primary and secondary instabilities are numerically studied with 2D Tollmien-Schlichting…

Fluid Dynamics · Physics 2021-10-14 Minwoo Kim , Seungtae Kim , Jiseop Lim , Ray-Sing Lin , Solkeun Jee , Donghun Park

The high accuracy of space data increased the number of the periodicities determined for pulsating variable stars, but the mode identification is still a critical point in the non-asymptotic regime. We use regularities in frequency spacings…

Solar and Stellar Astrophysics · Physics 2015-06-16 M. Paparo , Zs. Bognar , J. M. Benko , D. Gandolfi , A. Moya , J. C. Suarez , A. Sodor , M. Hareter , E. Poretti , E. W. Guenther , M. Auvergne , A. Baglin , W. W. Weiss

The observation of distinct peaks in tokamak core reflectometry measurements - named quasi-coherent-modes (QCMs) - are identified as a signature of Trapped-Electron-Mode (TEM) turbulence [H. Arnichand et al. 2016 Plasma Phys. Control.…

Plasma Physics · Physics 2017-07-13 J. Citrin , H. Arnichand , J. Bernardo , C. Bourdelle , X. Garbet , F. Jenko , S. Hacquin , M. J. Pueschel , R. Sabot

We investigate the potential of the LHC for discovering the heavy vector and fermion resonances present in the Three-Site Higgsless Model. To this end, the model was implemented into the WHIZARD parton-level Monte Carlo eventgenerator. The…

High Energy Physics - Phenomenology · Physics 2010-11-09 Christian Speckner

Aims: Main goal of this work is to study the potential of He II Ly-alpha wavelength-integrated scattering polarisation for probing the magnetism of the solar upper chromosphere. Methods: Radiative transfer calculations are performed in…

Solar and Stellar Astrophysics · Physics 2024-08-14 F. Riva , G. Janett , L. Belluzzi

During Type III solar radio bursts, beam-driven upper-hybrid wave turbulence is converted into electromagnetic emissions at the fundamental plasma frequency and its harmonic, through a chain of various linear and nonlinear wave processes.…

Plasma Physics · Physics 2026-01-15 Francisco Javier Polanco-Rodríguez , Catherine Krafft , Philippe Savoini

The complex optical potential and inelastic form factor given by the folding model for the $\alpha+^{12}$C scattering are used to calculate the ($\alpha,\alpha'$) cross sections for the known isoscalar states of $^{12}$C in an elaborate…

Nuclear Theory · Physics 2015-06-18 Do Cong Cuong , Dao T. Khoa , Yoshiko Kanada-En'yo

We investigate the behaviour of the lowest nonhydrodynamic modes in a class of holographic models which exhibit an equation of state closely mimicking the one determined from lattice QCD. We calculate the lowest quasinormal mode frequencies…

High Energy Physics - Theory · Physics 2015-07-01 Romuald A. Janik , Grzegorz Plewa , Hesam Soltanpanahi , Michal Spalinski

A method for obtaining asteroseismological information of a Gamma Doradus oscillating star showing at least three pulsation frequencies is presented. This method is based on a first-order asymptotic g-mode expression, in agreement with the…

Astrophysics · Physics 2009-11-10 A. Moya , J. C. Suarez , P. J. Amado , S. Martin-Ruiz , R. Garrido

Frequencies of 13 oscillation modes in the star XX Pyxidis (CD-24 7599) are accurately measured but for none of the modes the spherical harmonic degree l is known. We present results of an attempt to construct the model whose low-l mode…

Astrophysics · Physics 2007-05-23 A. A. Pamyatnykh , W. A. Dziembowski , G. Handler , H. Pikall

In this paper, we extend a method recently reported [Phys. Rev. E 87, 042921 (2012)] for the calculation of the eigestates of classically highly chaotic systems to cases of mixed dynamics, i.e. those presenting regular and irregular motions…

Quantum Physics · Physics 2017-09-13 F. Revuelta , E. Vergini , R. M. Benito , F. Borondo

This paper reports on the modal noise characterisation of a hybrid reformatter. The device consists of a multicore-fibre photonic lantern and an ultrafast laser-inscribed slit reformatter. It operates around 1550 nm and supports 92 modes.…