Search Results - "MUSIELAK, Z. E"
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A New Fundamental Asymmetric Wave Equation and Its Application to Acoustic Wave Propagation
Published in Advances in mathematical physics (2023)“…The irreducible representations of the extended Galilean group are used to derive the symmetric and asymmetric wave equations. It is shown that among these…”
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HABITABILITY OF EARTH-MASS PLANETS AND MOONS IN THE KEPLER-16 SYSTEM
Published in The Astrophysical journal (01-05-2012)“…We demonstrate that habitable Earth-mass planets and moons can exist in the Kepler-16 system, known to host a Saturn-mass planet around a stellar binary, by…”
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3
Lagrangians, Gauge Functions, and Lie Groups for Semigroup of Second-Order Differential Equations
Published in Journal of applied mathematics (2020)“…A set of linear second-order differential equations is converted into a semigroup, whose algebraic structure is used to generate novel equations. The…”
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Cutoff-free Propagation of Torsional Alfvén Waves along Thin Magnetic Flux Tubes
Published in The Astrophysical journal (10-04-2007)“…Propagation of torsional Alfven waves along magnetic flux tubes has been extensively studied for many years, but no conclusive results regarding the existence…”
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Atmospheric oscillations in late-type stars - I. Non-linear response to excitation by acoustic wave energy spectra
Published in Monthly notices of the Royal Astronomical Society (01-03-2012)“…The main aim of this paper is to perform first self-consistent numerical computation of the response of stellar atmospheres to the propagation of acoustic…”
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Temperature Gradients in the Solar Atmosphere and the Origin of Cutoff Frequency for Torsional Tube Waves
Published in The Astrophysical journal (01-02-2010)“…Fundamental modes supported by a thin magnetic flux tube embedded in the solar atmosphere are typically classified as longitudinal, transverse, and torsional…”
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Propagation of acoustic waves in the non-isothermal solar atmosphere
Published in Astronomische Nachrichten (01-12-2014)“…The acoustic cutoff frequency was originally introduced by Lamb in the study of the propagation of acoustic waves in a stratified, isothermal medium. In this…”
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Acoustic Heating of the Solar Chromosphere: Present Indeed and Locally Dominant
Published in The Astrophysical journal (01-03-2007)“…We investigate the physical reality of acoustic heating in the solar chromosphere. Evidence is provided that contrary to previous claims by Fossum & Carlsson,…”
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Stability of a planet in the HD 41004 binary system
Published in Astronomische Nachrichten (01-03-2016)“…The Hill stability criterion is applied to analyse the stability of a planet in the binary star system of HD 41004 AB, with the primary and secondary separated…”
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10
Theoretical prediction of chromospheric oscillations in late-type stars
Published in Astrophysics and space science (2016)“…Self-consistent, nonlinear and time-dependent numerical computations of the excitation of chromospheric oscillations in a thin and non-isothermal magnetic flux…”
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New role of null lagrangians in derivation of equations of motion for dynamical systems
Published in Physica scripta (01-04-2023)“…Abstract The space of null Lagrangians is the least investigated territory in dynamics as these Lagrangians are identically sent to zero by their…”
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General null Lagrangians and their novel role in classical dynamics
Published in Physica scripta (01-12-2022)“…Abstract A method for constructing general null Lagrangians and their higher harmonics is presented for dynamical systems with one degree of freedom. It is…”
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13
Stringent Criteria for Stable and Unstable Planetary Orbits in Stellar Binary Systems
Published in The Astrophysical journal (10-11-2007)“…The existence of planets in stellar binary (and higher order) systems has now been confirmed by many observations. The stability of planetary orbits in these…”
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14
Acoustic waves in two-fluid solar atmosphere model: cut-off periods, chromospheric cavity, and wave tunnelling
Published in Monthly notices of the Royal Astronomical Society (21-11-2018)Get full text
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15
Numerical simulations of two-fluid magnetoacoustic waves in the solar atmosphere
Published in Monthly notices of the Royal Astronomical Society (01-02-2023)“…ABSTRACT We study vertical variations of wave periods of magnetoacoustic two-fluid waves in the partially ionized lower solar atmosphere, consisting of ion…”
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On the Validity of Acoustically Heated Chromosphere Models
Published in The Astrophysical journal (01-10-2005)“…Theoretical models of solar and stellar chromospheres heated by acoustic waves have so far been constructed by using time-dependent, one-dimensional,…”
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17
Partially Ionized Solar Atmosphere: Two-fluid Waves and Their Cutoffs
Published in The Astrophysical journal (01-09-2019)“…A novel model of the solar atmosphere that accounts for partially ionized plasma is developed and used to study the propagation of magnetoacoustic-gravity…”
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18
Randomly driven acoustic-gravity waves in the solar atmosphere: cutoff period and its observational verification
Published in Monthly notices of the Royal Astronomical Society (01-12-2016)“…We study the propagation of acoustic-gravity waves in the solar atmosphere. The waves are excited by a space- and time-dependent random driver, whose action…”
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ON THE RADIO DETECTION OF MULTIPLE-EXOMOON SYSTEMS DUE TO PLASMA TORUS SHARING
Published in The Astrophysical journal (20-04-2016)“…ABSTRACT The idea of single exomoon detection due to the radio emissions caused by its interaction with the host exoplanet is extended to multiple-exomoon…”
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The Great Oxidation of Earth's Atmosphere: Contesting the Yoyo Model Via Transition Stability Analysis
Published in The Astrophysical journal (20-11-2009)“…A significant controversy regarding the climate history of the Earth and its relationship to the development of complex life forms concerns the rise of oxygen…”
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