Results 51 to 60 of about 398,638 (331)

Non-Thermal Solar Wind Electron Velocity Distribution Function

Entropy
The quiet-time solar wind electrons feature non-thermal characteristics when viewed from the perspective of their velocity distribution functions. They typically have an appearance of being composed of a denser thermal “core” population plus a tenuous ...
Peter H. Yoon, Rodrigo A. López, Chadi S. Salem, John W. Bonnell, Sunjung Kim   +4 more
doaj   +1 more source

Langevin based turbulence model and its relationship with Kappa distributions

Scientific Reports, 2022
Kappa distributions (or $$\kappa $$ κ -like distributions) represent a robust framework to characterize and understand complex phenomena with high degrees of freedom, as turbulent systems, using non-extensive statistical mechanics.
Iván Gallo-Méndez, Pablo S. Moya
doaj   +1 more source

A new one parameter deformation of the exponential function

, 2001
Recently, in the ref. Physica A \bfm{296} 405 (2001), a new one parameter deformation for the exponential function $\exp_{_{\{{\scriptstyle \kappa}\}}}(x)= (\sqrt{1+\kappa^2x^2}+\kappa x)^{1/\kappa}; \exp_{_{\{{\scriptstyle 0}\}}}(x)=\exp (x)$, which ...
A.M. Scarfone, Abe, Borges, G. Kaniadakis, Kaniadakis, Kaniadakis, Tsallis, Tsallis   +7 more
core   +1 more source

Proton firehose instability in bi-Kappa distributed plasmas [PDF]

Astronomy & Astrophysics, 2011
Context. Protons or heavier ions with anisotropic velocity distributions and non-thermal departure from Maxwellian, are frequently reported in the magnetosphere and at different altitudes in the solar wind. These observations are sustained by an extended number of mechanisms of acceleration in any direction with respect to the interplanetary magnetic ...
Lazar, M., Poedts, Stefaan, Schlickeiser, R.   +2 more
openaire   +1 more source

Dimethyl fumarate combined with cisplatin at subcytotoxic doses sensitizes cervical cancer toward ferroptosis and apoptosis through GSH restriction and p53 (re)activation

Molecular Oncology, EarlyView.
Dimethyl fumarate (DMF) reduces growth of HPV‐positive cervical cancer spheroids and induces ferroptosis in cervical cancer cells via blocking SLC7A11/Glutathione (GSH) axis. Combination of subcytotoxic doses of DMF and cisplatin (CDDP) further suppresses spheroid growth and drives cell death in 2D culture models.
Carolina Punziano, Giuseppina Minopoli, Simona Romano, Laura Marrone, Katia Aquilano, Maria Lina Tornesello, Raffaella Faraonio   +6 more
wiley   +1 more source

Kaniadakis Entropy Leads to Particle–Hole Symmetric Distribution

Entropy, 2022
We discuss generalized exponentials, whose inverse functions are at the core of generalized entropy formulas, with respect to particle–hole (KMS) symmetry.
Tamás S. Biró
doaj   +1 more source

Dual Maxwellian-Kappa modelling of the solar wind electrons: new clues on the temperature of Kappa populations

, 2017
Context. Recent studies on Kappa distribution functions invoked in space plasma applications have emphasized two alternative approaches which may assume the temperature parameter either dependent or independent of the power-index $\kappa$.
Fichtner, H., Lazar, M., Pierrard, V., Poedts, S., Shaaban, S. M.   +4 more
core   +1 more source

Resolving the electron temperature discrepancies in HII Regions and Planetary Nebulae: kappa-distributed electrons [PDF]

, 2012
The measurement of electron temperatures and metallicities in H ii regions and Planetary Nebulae (PNe) has-for several decades-presented a problem: results obtained using different techniques disagree. What it worse, they disagree consistently.
Dopita, Michael A., Nicholls, David C., Sutherland, Ralph S.   +2 more
core   +2 more sources

Deciphering transcriptional plasticity in pancreatic ductal adenocarcinoma reveals alterations in sensory neuron innervation

Molecular Oncology, EarlyView.
Pancreatic sensory neurons innervating healthy and PDAC tissue were retrogradely labeled and profiled by single‐cell RNA sequencing. Tumor‐associated innervation showed a dominant neurofilament‐positive subtype, altered mitochondrial gene signatures, and reduced non‐peptidergic neurons.
Elena Genova, Michele Montrone, Uday Rangaswamy, Francesco Diversi, Irene Schiavo, Denise Ferrarini, Roberta Di Florio, Irene Longo, Michele Coscia, Nicola Zamboni, Giorgia Demontis, Lisa Veghini, Vincenzo Corbo, Remo Sanges, Paul Heppenstall   +14 more
wiley   +1 more source

The current-voltage relationship revisited: exact and approximate formulas with almost general validity for hot magnetospheric electrons for bi-Maxwellian and kappa distributions [PDF]

Annales Geophysicae, 1998
We derive the current-voltage relationship in the auroral region taking into account magnetospheric electrons for the bi-Maxwellian and kappa source plasma distribution functions.
P. Janhunen, P. Janhunen, A. Olsson
doaj   +1 more source