Results 51 to 60 of about 636,285 (361)

Spinning Jets

open access: yes, 2000
A fluid jet with a finite angular velocity is subject to centripetal forces in addition to surface tension forces. At fixed angular momentum, centripetal forces become large when the radius of the jet goes to zero. We study the possible importance of this observation for the pinching of a jet within a slender jet model.
Eggers, JG, Brenner, MP
openaire   +2 more sources

Jet quenching [PDF]

open access: yesNuclear Physics A, 2003
A short summary of the physics underlying jet quenching is ...
openaire   +3 more sources

Percolative sulfide core formation in oxidized planetary bodies

open access: yesNature Communications
Models of planetary core formation traditionally involve the fractionation of Fe,Ni-metal melts from silicate mantles after extensive silicate melting.
Samuel D. Crossley   +9 more
doaj   +1 more source

Study of Intra-Day Flux Distributions of Blazars Using XMM-Newton Satellite

open access: yesUniverse, 2022
We present a study of the flux distribution of a sample of 15 Intermediate and Low-energy peaked blazars using XMM-Newton observations in a total of 57 epochs on short-term timescales.
Kiran Wani, Haritma Gaur
doaj   +1 more source

Deflection of jets induced by jet-cloud and jet-galaxy interactions [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2001
8 pages, 5 figures, Accepted for publication in ...
Mendoza, S., Longair, M. S.
openaire   +2 more sources

Time after time – circadian clocks through the lens of oscillator theory

open access: yesFEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo   +2 more
wiley   +1 more source

A Relativistic Orbit Model for Temporal Properties of AGN

open access: yesGalaxies, 2020
We present a unified model for X-ray quasi-periodic oscillations (QPOs) seen in Narrow-line Seyfert 1 (NLSy1) galaxies, γ-ray and optical band QPOs that are seen in Blazars. The origin of these QPOs is attributed to the plasma motion in corona or jets of
Prerna Rana, A. Mangalam
doaj   +1 more source

Afterglow Light Curves from Off-Axis GRB Jets in Stratified Circumburst Medium

open access: yesUniverse, 2022
We study the gamma-ray burst (GRB) afterglow light curves produced by an off-axis jet in a stratified circumburst medium and summarize the temporal indices of the coasting phase, the deceleration phase, the Newtonian phase, and the deep Newtonian phase ...
Xiao-Hong Zhao, Kang-Fa Cheng
doaj   +1 more source

Relativistic MHD simulations of core-collapse GRB jets: 3D instabilities and magnetic dissipation [PDF]

open access: yes, 2015
Relativistic jets naturally occur in astrophysical systems that involve accretion onto compact objects, such as core collapse of massive stars in gamma-ray bursts (GRBs) and accretion onto supermassive black holes in active galactic nuclei (AGN).
O. Bromberg   +2 more
semanticscholar   +1 more source

Acoustic Measures Capture Speech Dysfunction in Spinocerebellar Ataxia

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Spinocerebellar ataxias (SCA) are hereditary cerebellar degenerative disorders with a common feature of dysarthria, involving impaired phonatory and articulatory control of speech, thereby affecting social communication. In this study, we investigated whether acoustic measures could objectively measure speech dysfunction and identify
Zena Fadel   +5 more
wiley   +1 more source

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