PSP Bibliography





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Found 8 entries in the Bibliography.


Showing entries from 1 through 8


2021

Stellar versus Galactic: the intensity of cosmic rays at the evolving Earth and young exoplanets around Sun-like stars

Energetic particles, such as stellar cosmic rays, produced at a heightened rate by active stars (like the young Sun) may have been important for the origin of life on Earth and other exoplanets. Here, we compare, as a function of stellar rotation rate (Ω), contributions from two distinct populations of energetic particles: stellar cosmic rays accelerated by impulsive flare events and Galactic cosmic rays. We use a 1.5D stellar wind model combined with a spatially 1D cosmic ray transport model. We formulate the evolution of ...

Rodgers-Lee, D.; Taylor, A.; Vidotto, A.; Downes, T.;

Published by: Monthly Notices of the Royal Astronomical Society      Published on: 06/2021

YEAR: 2021     DOI: 10.1093/mnras/stab935

diffusion; methods: numerical; Sun: evolution; stars: magnetic field; cosmic rays; Astrophysics - Solar and Stellar Astrophysics; Astrophysics - Earth and Planetary Astrophysics; Astrophysics - High Energy Astrophysical Phenomena

Electron Acceleration during Macroscale Magnetic Reconnection

The first self-consistent simulations of electron acceleration during magnetic reconnection in a macroscale system are presented. Consistent with solar flare observations, the spectra of energetic electrons take the form of power laws that extend more than two decades in energy. The drive mechanism for these nonthermal electrons is Fermi reflection in growing and merging magnetic flux ropes. A strong guide field suppresses the production of nonthermal electrons by weakening the Fermi drive mechanism. For a weak guide field t ...

Arnold, H.; Drake, J.; Swisdak, M.; Guo, F.; Dahlin, J.; Chen, B.; Fleishman, G.; Glesener, L.; Kontar, E.; Phan, T.; Shen, C.;

Published by: Physical Review Letters      Published on: 04/2021

YEAR: 2021     DOI: 10.1103/PhysRevLett.126.135101

Parker Data Used; Physics - Plasma Physics; Astrophysics - High Energy Astrophysical Phenomena

2020

Bi-directional streaming of particles accelerated at the STEREO-A shock on 2008 March 9

Fraschetti, F.; Giacalone, J.;

Published by: \mnras      Published on: 12/2020

YEAR: 2020     DOI: 10.1093/mnras/staa3021

Parker Data Used; acceleration of particles; shock waves; turbulence; Astrophysics - High Energy Astrophysical Phenomena; Astrophysics - Solar and Stellar Astrophysics; Physics - Space Physics

Novel aspects of cosmic ray diffusion in synthetic magnetic turbulence

Dundovic, Andrej; Pezzi, Oreste; Blasi, Pasquale; Evoli, Carmelo; Matthaeus, William;

Published by: \prd      Published on: 11/2020

YEAR: 2020     DOI: 10.1103/PhysRevD.102.103016

Parker Data Used; Astrophysics - High Energy Astrophysical Phenomena; Physics - Plasma Physics; Physics - Space Physics

2019

A computational model for exploring particle acceleration during reconnection in macroscale systems

Drake, J.~F.; Arnold, H.; Swisdak, M.; Dahlin, J.~T.;

Published by: Physics of Plasmas      Published on: 01/2019

YEAR: 2019     DOI: 10.1063/1.5058140

Parker Data Used; Astrophysics - Solar and Stellar Astrophysics; Astrophysics - High Energy Astrophysical Phenomena; Physics - Plasma Physics

2018

Solar corona heating by axion quark nugget dark matter

In this work we advocate for the idea that two seemingly unrelated 80-year-old mysteries\textemdashthe nature of dark matter and the high temperature of the million degree solar corona\textemdashmay have resolutions that lie within the same physical framework. The current paradigm is that the corona is heated by nanoflares, which were originally proposed as miniature versions of the observed solar flares. It was recently suggested that the nanoflares could be identified as annihilation events of the nuggets from the axion ...

Raza, Nayyer; Van Waerbeke, Ludovic; Zhitnitsky, Ariel;

Published by: Physical Review D      Published on: 11/2018

YEAR: 2018     DOI: 10.1103/PhysRevD.98.103527

Astrophysics - Cosmology and Nongalactic Astrophysics; Astrophysics - High Energy Astrophysical Phenomena; Astrophysics - Solar and Stellar Astrophysics; High Energy Physics - Phenomenology; parker solar probe; Solar Probe Plus

2017

Charged Particle Diffusion in Isotropic Random Magnetic Fields

Subedi, P.; Sonsrettee, W.; Blasi, P.; Ruffolo, D.; Matthaeus, W.~H.; Montgomery, D.; Chuychai, P.; Dmitruk, P.; Wan, M.; Parashar, T.~N.; Chhiber, R.;

Published by: \apj      Published on: 03/2017

YEAR: 2017     DOI: 10.3847/1538-4357/aa603a

Parker Data Used; astroparticle physics; cosmic rays; diffusion; magnetic fields; scattering; turbulence; Physics - Space Physics; Astrophysics - High Energy Astrophysical Phenomena; Astrophysics - Solar and Stellar Astrophysics

2015

Localized enhancements of energetic particles at oblique collisionless shocks

Fraschetti, F.; Giacalone, J.;

Published by: \mnras      Published on: 04/2015

YEAR: 2015     DOI: 10.1093/mnras/stv247

Parker Data Used; turbulence; cosmic rays; ISM: magnetic fields; Astrophysics - High Energy Astrophysical Phenomena; Astrophysics - Solar and Stellar Astrophysics; Physics - Plasma Physics; Physics - Space Physics



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