VOSviewer
Courses
- PPPPrinciples of Planetary Physics
- OGAPEOur Golden Age of Planetary Exploration
- PSSPhysics of the Solar System
- TPSThe Physics of the Sun
- PPASSAPlasma Physics with Astrophysical and Solar System Applications
Grants
- Collaborative Research: ANSWERS: Solar Energetic Particles, Solar Neutrons, and a New Space Weather Facility in Hawaii
Principal Investigator (PI)
2022
$185.6K
Active - Our Heliospheric Shield
Principal Investigator (PI)
2022
$80.0K
Active - Tracking Mechanisms Efficiently Accelerating Charged Particles at Shocks at Multiple Heliospheric Distances out to ~1.5 AU
Co-Investigator (COI)
2021
$390.5K
Active - Interpreting the Signature of GeV-TeV Galactic Cosmic Rays on the Solar Surface via Turbulent Transport Within Inner Heliosphere and Solar Atmosphere
Co-Investigator (COI)
2021
$354.5K
Active - Energetic Particles Transport in the Inner Heliosphere Switchbacks Turbulent Environment
Co-Investigator (COI)
2021
$318.6K
Active - High-Energy Particle Acceleration by Extreme Coronal Shocks
Principal Investigator (PI)
2021
$78.7K
Active - A Multi-spacecraft Approach to Understand the Spectral and Temporal Evolution in Large Solar Energetic Particle Events
Principal Investigator (PI)
2020
$152.9K
Active - Energetics of Solar Eruptions from the Chromosphere to the Inner Heliosphere Program
Principal Investigator (PI)
2020
$139.7K
Active - Our Heliospheric Shield
Principal Investigator (PI)
2020
$80.0K
Active - Collaborative Research: Transport Processes Affecting High-Energy Solar Energetic Particles Observed at Earth
Principal Investigator (PI)
2019
$470.8K
Active
News
- Close Encounter with the Sun
2019
- UA Expertise Key in Mapping Moon's Surface
2019
- UA Scientists Gear Up to 'Touch the Sun'
2018
- Biosphere 2 Dedicates Lectures to Memory of Michael J. Drake
2011
- UA Scientists Study Voyager 2's Plunge Through the Heliosphere
2007
- LPL Public Lectures Present Latest Solar System News
2006
- USS Arizona Bell Rings to Honor Outstanding Achievement
2005
Publications (195)
Recent
- Electrostatic Plasma Wave Excitations at the Interplanetary Shocks
2023
- Unexpected energetic particle observations near the Sun by Parker Solar Probe and Solar Orbiter
2023
- Turbulence and Diffusive Transport of Cosmic Rays in the Very Local Interstellar Medium
2023
- Probing the Length of the Heliospheric Tail with Energetic Neutral Atoms (ENAs) from 0.52 to 80 keV
2023
- An Anomalous Cosmic-Ray Mediated Termination Shock: Implications for Energetic Neutral Atoms
2023
- Multi-spacecraft Observations of Heavy Ion Characteristics in the 28 October 2021 Solar Energetic Particle Event
2022
- STEREO/ACE Observations of Suprathermal and Energetic Ion Spikes in Interplanetary Shocks
2022
- Recent Developments in Particle Acceleration at Shocks: Theory and Observations
2022
- The First 3 Years of ISOIS Energetic Electron Measurements
2022
- Solar Energetic Particle Acceleration at a Spherical Shock with the Shock Normal Angle θBn Evolving in Space and Time
2022
- On the Energy Dependence of Galactic Cosmic Ray Anisotropies in the Very Local Interstellar Medium
2022
- The Effect of Large-scale Turbulence on Energetic Particle Profiles across Interplanetary Shocks
2022
- In Situ Measurement of the Energy Fraction in Suprathermal and Energetic Particles at ACE, Wind, and PSP Interplanetary Shocks
2022
- Numerical Modeling of Energetic Electron Acceleration, Transport, and Emission in Solar Flares: Connecting Loop-top and Footpoint Hard X-Ray Sources
2022
- Advancing Theory and Modeling Efforts in Heliophysics
2022
- PSP/IS\ensuremath{\odot}IS Observation of a Solar Energetic Particle Event Associated with a Streamer Blowout Coronal Mass Ejection during Encounter 6
2022
- Martian Ionospheric Magnetic Fluctuations Below 200 km
2022
- The Early History of Heliospheric Science and the Spacecraft That Made It Possible
2022
- On the energization of pickup ions downstream of the heliosheric termination shock, by comparing 0.52-55 keV observed ENA spectra to simulated ENAs inferred by proton hybrid simulations.
2022
- Parker Solar Probe's Measurements of the 29 November 2020 Solar Energetic Particle Event
2022
- PSP/IS⊙IS Observation of a Solar Energetic Particle Event Associated with a Streamer Blowout Coronal Mass Ejection during Encounter 6
2022
- Double-power-law Feature of Energetic Particles Accelerated at Coronal Shocks
2022
- Confronting Current and Future Imaging Spectroscopic Observations with Integrated Multiphysics Models
2022
- The Effect of the Fluctuating Interplanetary Magnetic Field on the Cosmic Ray Intensity Profile of the Ground-level Enhancement (GLE) Events
2022
- On the Energization of Pickup Ions Downstream of the Heliospheric Termination Shock by Comparing 0.52-55 keV Observed Energetic Neutral Atom Spectra to Ones Inferred from Proton Hybrid Simulations
2022
- New Data from the IS??IS instrument Suite on Parker Solar Probe
2022
- Solar Energetic Particle Acceleration at a Spherical Shock with the Shock Normal Angle \{\textbackslashtheta \}\_\{\{B\}\_\{n\}\} Evolving in Space and Time
2022
- Variable Ion Compositions of Solar Energetic Particle Events in the Inner Heliosphere: A Field Line Braiding Model with Compound Injections
2022
- Heavy Ion Characteristics Observed by Multiple Spacecraft Observations in the 28 October 2021 Solar Energetic Particle Event
2022
- Anomalous Cosmic Rays and Heliospheric Energetic Particles
2022
- Parker Solar Probe Observations of Near-Sun 3He-rich Solar Energetic Particle Events
2022
- A Model of Double Coronal Hard X-Ray Sources in Solar Flares
2022
- Energy Balance at Interplanetary Shocks: In-situ Measurement of the Fraction in Supra-thermal and Energetic Ions with ACE and Wind
2022
- Unfolding of the vortical amplification of the magnetic field at inward shocks of Supernova remnant Cassiopeia A
2022
- Energetic Electron Observations by Parker Solar Probe/IS\ensuremath{\odot}IS during the First Widespread SEP Event of Solar Cycle 25 on 2020 November 29
2021
- Energetic particle behavior in near-Sun magnetic field switchbacks from PSP
2021
- The Transport Equation for the Dispersal of Passive Tracers in a Nonuniform Turbulent Fluid: Numerical Simulations
2021
- Energy Dependence of GCR Anisotropies in the VLISM
2021
- Magnetic field line random walk and solar energetic particle path lengths. Stochastic theory and PSP/IS\ensuremath{\odot}IS observations
2021
- Solar energetic particle heavy ion properties in the widespread event of 2020 November 29
2021
- A Turbulent Heliosheath Driven by the Rayleigh-Taylor Instability
2021
- The roles of magnetic reconnection and flare termination shock in accelerating particles in solar flares
2021
- A new view of energetic particles from stream interaction regions observed by Parker Solar Probe
2021
- Hybrid Simulations of Interstellar Pickup Protons Accelerated at the Solar-wind Termination Shock at Multiple Locations
2021
- Plasma Waves in the Distant Martian Environment: Implications for Mars' Sphere of Influence
2021
- PSP/IS\ensuremath{\odot}IS observations of the 29 November 2020 solar energetic particle event
2021
- Shock Propagation and Associated Particle Acceleration in the Presence of Ambient Solar-Wind Turbulence
2021
- Comparative Analysis of the 2020 November 29 Solar Energetic Particle Event Observed by Parker Solar Probe
2021
- Energetic particle evolution during coronal mass ejection passage from 0.3 to 1 AU
2021
- PSP/IS$\odot$IS Observation of a Solar Energetic Particle Event Associated With a Streamer Blowout Coronal Mass Ejection During Encounter 6
2021
- Suprathermal Ion Energy spectra and Anisotropies near the Heliospheric Current Sheet crossing observed by the Parker Solar Probe during Encounter 7
2021
- Time evolution of stream interaction region energetic particle spectra in the inner heliosphere
2021
- Parker Solar Probe observations of He/H abundance variations in SEP events inside 0.5 au
2021
- Energy Balance at Interplanetary Shocks: In-situ Measurement of the Fraction in Supra-thermal and Energetic Particles with ACE and Wind
2021
- Energetic Particles Associated with a Coronal Mass Ejection Shock Interacting with a Convected Magnetic Structure
2021
- Using Magnetic Flux Conservation to Determine Heliosheath Speeds
2021
- Parker Solar Probe observations of helical structures as boundaries for energetic particles
2021
- Small, Low-energy, Dispersive Solar Energetic Particle Events Observed by Parker Solar Probe
2020
- Energetic Particle Observations from the Parker Solar Probe Using Combined Energy Spectra from the IS\ensuremath{\odot}IS Instrument Suite
2020
- $^3$He-rich Solar Energetic Particle Observations at the Parker Solar Probe and near Earth
2020
- The role of turbulence strength on the acceleration of transrelativistic electrons
2020
- Turbulence in the Local Interstellar Medium and the IBEX Ribbon
2020
- Magnetic Field Line Random Walk and Solar Energetic Particle Path Lengths: Stochastic Theory and PSP/ISoIS Observation
2020
- Observations of Energetic-particle Population Enhancements along Intermittent Structures near the Sun from the Parker Solar Probe
2020
- The Downwind Solar Wind: Model Comparison with Pioneer 10 Observations
2020
- Erratum: ``The Acceleration of Charged Particles at a Spherical Shock Moving through an Irregular Magnetic Field'' (2017, ApJ, 848, 123)
2020
- 3D propagation of relativistic solar protons through interplanetary space
2020
- Energetic Particle Increases Associated with Stream Interaction Regions
2020
- Analysis of the Internal Structure of the Streamer Blowout Observed by the Parker Solar Probe During the First Solar Encounter
2020
- Properties of Suprathermal-through-energetic He Ions Associated with Stream Interaction Regions Observed over the Parker Solar Probe's First Two Orbits
2020
- Seed Population Preconditioning and Acceleration Observed by the Parker Solar Probe
2020
- The Solar Orbiter magnetometer
2020
- Solar Energetic Particles Produced by a Slow Coronal Mass Ejection at \ensuremath{\sim}0.25 au
2020
- Dynamical Modulation of Solar Flare Electron Acceleration due to Plasmoid-shock Interactions in the Looptop Region
2020
- Observations of the 2019 April 4 Solar Energetic Particle Event at the Parker Solar Probe
2020
- Erratum: ``A New Model for the Heliosphere's 'IBEX Ribbon''' (2017, ApJL, 812, L9)
2020
- Bi-directional streaming of particles accelerated at the STEREO-A shock on 2008 March 9
2020
- CME-associated Energetic Ions at 0.23 au: Consideration of the Auroral Pressure Cooker Mechanism Operating in the Low Corona as a Possible Energization Process
2020
- Comparing Long-duration Gamma-Ray Flares and High-energy Solar Energetic Particles
2019
- The Acceleration and Confinement of Energetic Electrons by a Termination Shock in a Magnetic Trap: An Explanation for Nonthermal Loop-top Sources during Solar Flares
2019
- Particle Acceleration at Shocks Moving Through Turbulent Plasmas
2019
- Evolution of the Suprathermal Proton Population at Interplanetary Shocks
2019
- The Acceleration of Energetic Particles at Coronal Shocks and Emergence of a Double Power-law Feature in Particle Energy Spectra
2019
- Particle Acceleration at the Pileup Collision of the Twin Shock
2019
- ELF Waves in the Martian Ionosphere: Lightning, Field Line Resonances, and Instabilities?
2019
- Long Duration Gamma-ray Flares and High Energy Solar Energetic Particles: Is there a Connection?
2019
- Energetic Particle Transport and Acceleration at Interplanetary Shocks
2018
- Flat Proton Spectra in Large Solar Energetic Particle Events
2018
- Comparing Long Duration Gamma-ray Flares and High Energy Solar Energetic Particles; no
2018
- Interstellar Mapping and Acceleration Probe (IMAP): A New NASA Mission
2018
- Vortical Amplification of the Magnetic Field at an Inward Shock of Supernova Remnant Cassiopeia A
2018
- The Acceleration of Thermal Ions at a Strong, Quasi-Parallel Interplanetary Shock: A Hybrid Simulation
2017
- The Acceleration of Charged Particles at a Spherical Shock Moving through an Irregular Magnetic Field
2017
- Particle Acceleration in Two Converging Shocks
2017
- The Acceleration of High-energy Protons at Coronal Shocks: The Effect of Large-scale Streamer-like Magnetic Field Structures
2017
- Properties of the Fast Forward Shock Driven by the July 23 2012 Extreme Coronal Mass Ejection
2016
- Integrated Science Investigation of the Sun (ISIS): Design of the Energetic Particle Investigation
2016
- Large gradual solar energetic particle events
2016
- Pitch-angle Scattering of Energetic Charged Particles in Nearly Constant Magnitude Magnetic Turbulence
2016
- {Diffusive Shock Acceleration of High-energy Charged Particles at Fast Interplanetary Shocks: A Parameter Survey}
2015
- {Energetic particles, tangential discontinuities, and solar flux tubes}
2015
- {The Acceleration of Electrons at Collisionless Shocks Moving Through a Turbulent Magnetic Field}
2015
- {Broken Power-law Distributions from Low Coronal Compression Regions or Shocks}
2015
- {Particles Acceleration in Converged Two Shocks}
2015
- {Examining Particle Transport in Multi-Spacecraft $^{3}$He-Rich SEP Events}
2015
- {Particle Acceleration at Low Coronal Compression Regions and Shocks}
2015
- A NEW MODEL FOR THE HELIOSPHERE'S IBEX RIBBON
2015
- {Properties of the Fast Forward Shock Driven by the July 23 2012 Extreme Coronal Mass Ejection}
2015
- {Hybrid simulation of the interaction of solar wind protons with a concentrated lunar magnetic anomaly}
2015
- {Localized enhancements of energetic particles at oblique collisionless shocks}
2015
- {Effects of Large-Scale Simple Velocity Shear on a Fluctuating Interplanetary Magnetic Field}
2015
- {A Heliosphere Buffeted by Interstellar Turbulence?}
2014
- Small-scale gradients of charged particles in the heliospheric magnetic field
2014
- {The acceleration of charged particles from thermal to suprathermal energies at strong shocks in the solar wind}
2014
- {Synthesis of 3-D Coronal-Solar Wind Energetic Particle Acceleration Modules}
2014
- {Effect of Coherent Structures on Energetic Particle Intensity in the Solar Wind at 1 AU}
2014
- Cosmic-ray transport and interaction with shocks
2013
- The acceleration of thermal protons at parallel collisionless shocks: Three-dimensional hybrid simulations
2013
- Association of suprathermal particles with coherent structures and shocks
2013
- Particle acceleration at a flare termination shock: Effect of large-scale magnetic turbulence
2012
- On the amplification of magnetic field by a supernova blast shock wave in a turbulent medium
2012
- Suprathermal ions associated with strong interplanetary shocks
2012
- Shock acceleration of ions in the heliosphere
2012
- Energetic charged particles associated with strong interplanetary shocks
2012
- The acceleration of electrons at perpendicular shocks and its implication for solar energetic particle events
2012
- Early-time velocity autocorrelation for charged particles diffusion and drift in static magnetic turbulence
2012
- The longitudinal transport of energetic ions from impulsive solar flares in interplanetary space
2012
- SOLAR WIND 13: Proceedings of the Thirteenth International Solar Wind Conference
2012
- The acceleration mechanism of anomalous cosmic rays
2012
- The physics of partially ionized gas with applications to processes in the interstellar medium
2011
- Evidence of confinement of solar-energetic particles to interplanetary magnetic field lines
2011
- Interaction between inclined current sheets and the heliospheric termination shock
2010
- The effect of large-scale magnetic turbulence on the acceleration of electrons by perpendicular collisionless shocks
2010
- Thickness of the heliosheath, return of the pick-up ions, and voyager 1's crossing the heliopause
2010
- The origin of low-energy anomalous cosmic rays at the solar-wind termination shock
2010
- Reconnection and disconnection: Observations of suprathermal electron heat flux dropouts
2010
- Effects of interplanetary transport on derived energetic particle source strengths
2010
- The acceleration of inner-source pickup ions by a propagating interplanetary shock
2010
- Progress in the study of interplanetary discontinuities
2010
- The structure of the IBEX ribbon: A reflection of interstellar turbulence?
2010
- A re-interpretation of STEREO/STE observations and its consequences
2009
- Spatial offsets of interplanetary ion and electron source regions
2009
- The acceleration of stationary charged dust grains by propagating collisionless shock waves
2009
- Particle acceleration at a perpendicular shock in the limit of weak pitch-angle scattering
2008
- Multispacecraft analysis of energetic ion flux dropouts
2008
- The energy spectrum of energetic particles downstream of turbulent collisionless shocks
2008
- Magnetic field amplification by shocks in turbulent fluids
2007
- Large-scale turbulence, shocks, and charged-particle acceleration
2007
- The physics of particle acceleration at the heliospheric termination shock
2007
- Adiabatic compression acceleration of fast charged particles
2007
- A new phenomenon in impulsive-flare-associated energetic particles
2007
- Spectra of polar heliospheric fields and implications for field structure
2007
- Shock acceleration of high-energy cosmic rays: The importance of the magnetic-field angle
2006
- Variability of low-energy ion flux profiles on interplanetary shock fronts
2006
- Effect of a random magnetic field on the onset times of solar particle events
2006
- Test-particle numerical simulations of energetic particles near the termination shock
2006
- Solar orbiter neutral solar-wind detector
2006
- Acceleration of solar-energetic particles by shocks
2006
- Energetic particle intensities and anisotropies near the solar wind termination shock
2006
- A magnetometer for the Solar Orbiter Mission
2006
- Magnetic field structure and ACR acceleration at the termination shock
2005
- Multispacecraft observations of interplanetary shocks: Nonplanarity and energetic particles
2005
- How efficient are coronal mass ejections at accelerating solar energetic particles?
2005
- The importance of field-line meandering in particle acceleration at shocks
2005
- Particle acceleration at shocks moving through an irregular magnetic field
2005
- Particle acceleration in the sun and heliosphere
2005
- The efficient acceleration of thermal protons by perpendicular shocks
2005
- Selected problems in collisionless-shock physics
2004
- Magnetic footpoint diffusion at the Sun and its relation to the heliospheric magnetic field
2004
- Large-scale hybrid simulations of particle acceleration at a parallel shock
2004
- Transverse streaming anisotropies of charged particles accelerated at the solar wind termination shock
2004
- Radial streaming anisotropies of charged particles accelerated at the solar wind termination shock
2004
- Ulysses observations of solar energetic particles from the 14 July 2000 event at high heliographic latitudes
2003
- The physics of particle acceleration by collisionless shocks
2003
- The heliospheric magnetic field probed with fast charged particles
2002
- Particle acceleration in solar wind compression regions
2002
- The latitudinal transport of energetic particles associated with corotating interaction regions
2001
- The transport of energetic particles and cosmic rays in the heliosphere
2001
- The Injection Problem
2001
- Interplanetary magnetic field line mixing deduced from impulsive solar flare particles
2000
- Cross-field diffusion of charged particles and the problem of ion injection and acceleration at quasi-perpendicular shocks
2000
- Small-scale gradients and large-scale diffusion of charged particles in the heliospheric magnetic field
2000
- Three-dimensional numerical simulations of particle injection and acceleration at quasi-perpendicular shocks
2000
- The transport of cosmic rays across a turbulent magnetic field
1999
- Particle transport and acceleration at corotating interaction regions
1999
- The theory of anomalous cosmic rays
1998
- Cosmic-ray transport coefficients
1998
- Injection and acceleration of thermal protons at quasi-parallel shocks: A hybrid simulation parameter survey
1997
- Preacceleration of anomalous cosmic rays in the inner heliosphere
1997
- Spatial variation of accelerated pickup ions at co-rotating interaction regions
1997
- The acceleration of pickup ions
1996
- Simulations of pickup-ion acceleration at quasi-perpendicular shocks
1995
- Charged-particle motion in multidimensional magnetic-field turbulence
1994
- Cross-field diffusion of ions in one- and two-dimensional hybrid simulations of collisionless shocks
1994
- Ion injection and acceleration at parallel shocks: Comparisons of self-consistent plasma simulations with existing theories
1993