90 citations · 653 across the 29 of their papers we have counts for
29 papers
Novel Methods for Simulating Astrophysical Plasmas and the Coherent Emission in Fast Radio Bursts
Nicole M. Lloyd-Ronning, Patrick Kilian, Guangye Chen +4
We present particle-in-cell simulations of one dimensional relativistic electromagnetic shocks in a uniform magnetic field, for a range of magnetic field strengths, plasma temperat…
Particle In Cell Simulations of Mildly Relativistic Outflows in Kilonova Emissions
Mohira Rassel, Patrick Kilian, Vito Aberham +3
The electromagnetic emission from neutron star mergers is comprised of multiple components. Synchrotron emission from the disk-powered jet as well as thermal emission from the merg…
Comment on "Nonideal Fields Solve the Injection Problem in Relativistic Reconnection"
Fan Guo, Xiaocan Li, Omar French +7
Recently, Sironi (PRL, 128, 145102; S22) reported the correlation between particles accelerated into high energy and their crossings of regions with electric field larger than magn…
Single Pulse Dispersion Measure of the Crab Pulsar
N. Lewandowska, P. B. Demorest, M. A. McLaughlin +2
We investigate the use of bright single pulses from the Crab pulsar to determine separately the dispersion measure (DM) for the Main Pulse and Interpulse components. We develop two…
Particle Acceleration in Magnetic Reconnection with Ad hoc Pitch-angle Scattering
Grant Johnson, Patrick Kilian, Fan Guo +1
Particle acceleration during magnetic reconnection is a long-standing topic in space, solar and astrophysical plasmas. Recent 3D particle-in-cell simulations of magnetic reconnecti…
Fermi-type particle acceleration from magnetic reconnection at the termination shock of a relativistic striped wind
Yingchao Lu, Fan Guo, Patrick Kilian +3
An oblique-rotating pulsar generates a relativistic striped wind in a pulsar wind nebula (PWN). The termination shock of the PWN compresses the Poynting-flux-dominated flow and dri…
Topological Analysis of Magnetic Reconnection in Kinetic Plasma Simulations
Divya Banesh, Li-Ta Lo, Patrick Kilian +2
Magnetic reconnection is a ubiquitous plasma process in which oppositely directed magnetic field lines break and rejoin, resulting in a change of the magnetic field topology. Recon…
Magnetic Energy Release, Plasma Dynamics, and Particle Acceleration during Relativistic Turbulent Magnetic Reconnection
Fan Guo, Xiaocan Li, William Daughton +5
In strongly magnetized astrophysical plasma systems, magnetic reconnection is believed to be a primary process during which explosive energy release and particle acceleration occur…
Recent Progress on Particle Acceleration and Reconnection Physics during Magnetic Reconnectionin the Magnetically-dominated Relativistic Regime
Fan Guo, Yi-Hsin Liu, Xiaocan Li +3
Magnetic reconnection in strongly magnetized astrophysical plasma environments is believed to be the primary process for fast energy release and particle energization. Currently th…
Studying particle acceleration from driven magnetic reconnection at the termination shock of a relativistic striped wind using particle-in-cell simulations
Yingchao Lu, Fan Guo, Patrick Kilian +3
A rotating pulsar creates a surrounding pulsar wind nebula (PWN) by steadily releasing an energetic wind into the interior of the expanding shockwave of supernova remnant or inters…
Ion acceleration in non-relativistic quasi-parallel shocks using fully kinetic simulations
Cedric Schreiner, Patrick Kilian, Felix Spanier +2
The formation of collisionless shock fronts is an ubiquitous phenomenon in space plasma environments. In the solar wind shocks might accompany coronal mass ejections, while even mo…
Exploring the acceleration mechanisms for particle injection and power-law formation during trans-relativistic magnetic reconnection
Patrick Kilian, Xiaocan Li, Fan Guo +1
Magnetic reconnection in the relativistic and trans-relativistic regimes is able to accelerate particles to hard power law energy spectra (approaching ). Th…
Formation of Power-law Electron Energy Spectra in Three-dimensional Low- Magnetic Reconnection
Xiaocan Li, Fan Guo, Hui Li +2
While observations have suggested that power-law electron energy spectra are a common outcome of strong energy release during magnetic reconnection, e.g., in solar flares, kinetic…
Time-step dependent force interpolation scheme for suppressing numerical Cherenkov instability in relativistic particle-in-cell simulations
Yingchao Lu, Patrick Kilian, Fan Guo +2
The WT scheme, a piecewise polynomial force interpolation scheme with time-step dependency, is proposed in this paper for relativistic particle-in-cell (PIC) simulations. The WT sc…
An \mathcal{O}(N) Maxwell solver with improved numerical dispersion properties
Yingchao Lu, Chengkun Huang, Patrick Kilian +3
A Maxwell solver derived from finite element method with \mathcal{O}(N) computing cost is developed to improve the numerical dispersion properties in relativistic particle-in-cell…
High-Energy Polarimetry - a new window to probe extreme physics in AGN jets
B. Rani, H. Zhang, S. D. Hunter +31
The constantly improving sensitivity of ground-based and space-borne observatories has made possible the detection of high-energy emission (X-rays and gamma-rays) from several thou…
Determining the Dominant Acceleration Mechanism during Relativistic Magnetic Reconnection in Large-scale Systems
Fan Guo, Xiaocan Li, William Daughton +5
While a growing body of research indicates that relativistic magnetic reconnection is a prodigious source of particle acceleration in high-energy astrophysical systems, the dominan…
Pressure Balance and Intrabinary Shock Stability in Rotation-Powered State Redback and Transitional Millisecond Pulsar Binary Systems
Zorawar Wadiasingh, Christo Venter, Alice K. Harding +2
A number of low-mass millisecond pulsar (MSP) binaries in their rotation-powered state exhibit double-peaked X-ray orbital modulation centered at inferior pulsar conjunction. This…
Simulating the Injection of Magnetized Plasma without Electromagnetic Precursor Wave
Patrick Kilian, Felix Spanier
Injecting magnetized plasma with changes in magnetization or injection rate necessitate a time variable magnetic field at the boundary of the simulation box. Naive implementation w…
A comment on "Importance of resolving the spectral support of beam-plasma instabilities in simulations" by M. Shalaby et al
F. Spanier, P. Kilian, R. Schlickeiser
Understanding the physics of beam-plasma systems is of great importance for a large number of astrophysical systems. Recently the validity of particle-in-cell simulations of these…
Plasma Waves as a Benchmark Problem
Patrick Kilian, Patricio A. Muñoz, Cedric Schreiner +1
A large number of wave modes exist in a magnetized plasma. Their properties are determined by the interaction of particles and waves. In a simulation code, the correct treatment of…
Recovering the damping rates of cyclotron damped plasma waves from simulation data
Cedric Schreiner, Patrick Kilian, Felix Spanier
Plasma waves with frequencies close to the particular gyrofrequencies of the charged particles in the plasma lose energy due to cyclotron damping. We briefly discuss the gyro-reson…
Energy loss of intergalactic pair beams: Particle-in-Cell simulation
Andreas Kempf, Patrick Kilian, Felix Spanier
The change of the distribution function of electron-positron pair beams determines whether GeV photons can be produced as secondary radiation from TeV photons. We will discuss the…
PICPANTHER: A simple, concise implementation of the relativistic moment implicit Particle-in-Cell method
Andreas Kempf, Patrick Kilian, Urs Ganse +2
A three-dimensional, parallelized implementation of the electromagnetic relativistic moment implicit particle-in-cell method in Cartesian geometry (Noguchi et. al., 2007) is presen…