Multi-D magnetohydrodynamic modelling of pulsar wind nebulae: recent progress and open questions
arXiv:1610.07956 · doi:10.1017/S0022377816000957
Abstract
In the last decade, the relativistic magnetohydrodynamic (MHD) modelling of pulsar wind nebulae, and of the Crab nebula in particular, has been highly successful, with many of the observed dynamical and emission properties reproduced down to the finest detail. Here, we critically discuss the results of some of the most recent studies: namely the investigation of the origin of the radio emitting particles and the quest for the acceleration sites of particles of different energies along the termination shock, by using wisps motion as a diagnostic tool; the study of the magnetic dissipation process in high magnetization nebulae by means of new long-term three-dimensional simulations of the pulsar wind nebula evolution; the investigation of the relativistic tearing instability in thinning current sheets, leading to fast reconnection events that might be at the origin of the Crab nebula gamma-ray flares.
arXiv comment30 pages, 12 figures
References in corpus (62)
- Observation of an anomalous positron abundance in the cosmic radiation
- PLUTO: a Numerical Code for Computational Astrophysics
- The Evolution and Structure of Pulsar Wind Nebulae
- Instability of current sheets and formation of plasmoid chains
- Relativistic Reconnection: an Efficient Source of Non-Thermal Particles
- Fast Reconnection in High-Lundquist-Number Plasmas Due to Secondary Tearing Instabilities
- Particle acceleration in relativistic collisionless shocks: Fermi process at last?
- The PLUTO Code for Adaptive Mesh Computations in Astrophysical Fluid Dynamics
- Reconnection in a striped pulsar wind
- Discovery of Spatial and Spectral Structure in the X-Ray Emission from the Crab Nebula
- Fast magnetic reconnection in the plasmoid-dominated regime
- Gamma-ray flares from the Crab Nebula
- Discovery of Powerful Gamma-Ray Flares from the Crab Nebula
- The Vela Pulsar and its Synchrotron Nebula
- Acceleration of Particles at the Termination Shock of a Relativistic Striped Wind
- Simulations of particle acceleration beyond the classical synchrotron burnoff limit in magnetic reconnection: An explanation of the Crab flares
- Dissipation in Poynting-flux Dominated Flows: the Sigma-Problem of the Crab Pulsar Wind
- Formation of Plasmoid Chains in Magnetic Reconnection
- On the relativistic magnetic reconnection
- Modeling the spectral evolution of PWNe inside SNRs
- Chandra imaging of the X-ray nebula powered by pulsar B1509-58
- Three-Dimensional Magnetohydrodynamic Simulations of the Crab Nebula
- Axially symmetric relativistic MHD simulations of Pulsar Wind Nebulae in Supernova Remnants - On the origin of torus and jet-like features
- Gamma-ray Activity in the Crab Nebula: The Exceptional Flare of April 2011
- Ab-initio pulsar magnetosphere: three-dimensional particle-in-cell simulations of oblique pulsars
- Plasmoids in relativistic reconnection, from birth to adulthood: first they grow, then they go
- The Variable Jet of the Vela Pulsar
- Pair-production multiplicities in rotation-powered pulsars
- On the polar cap cascade pair multiplicity of young pulsars
- Simulated synchrotron emission from Pulsar Wind Nebulae
- A five-wave HLL Riemann solver for relativistic MHD
- Synthetic Spectra from PIC Simulations of Relativistic Collisionless Shocks
- Chandra Observation of SNR G54.1+0.3 -- a Close Cousin of the Crab Nebula
- Heating and Non-thermal Particle Acceleration in Relativistic, Transverse Magnetosonic Shock Waves in Proton-Electron-Positron Plasmas
- Observations of "wisps" in magnetohydrodynamic simulations of the Crab Nebula
- Non-thermal emission from relativistic MHD simulations of PWNe: from synchrotron to inverse Compton
- Solution to the Sigma-Problem of Pulsar Wind Nebulae
- Tearing instability in relativistic magnetically dominated plasmas
- Rayleigh-Taylor instability in Magnetohydrodynamic Simulations of the Crab Nebula
- Gamma-ray flares in the Crab Nebula: A case of relativistic reconnection?
- Fast reconnection in relativistic plasmas: the magnetohydrodynamics tearing instability revisited
- The Crab Nebula's Wisps in Radio and Optical
- Three-dimensional Analytical Description of Magnetised Winds from Oblique Pulsars
- The Crab Nebula super-flare in April 2011: extremely fast particle acceleration and gamma-ray emission
- Variable gamma-ray emission from the Crab Nebula: short flares and long "waves"
- Constraints on particle acceleration sites in the Crab Nebula from relativistic MHD simulations
- Magnetic reconnection: Self-similar current sheet collapse triggered by "ideal" tearing
- Modelling the Kinked Jet of the Crab Nebula
- On the MHD modeling of the Crab Nebula radio emission
- Kinetic study of radiation-reaction-limited particle acceleration during the relaxation of unstable force-free equilibria
- Chandra observations of the pulsar wind nebula in SNR G0.9+0.1
- Three-Dimensional Relativistic Magnetohydrodynamic Simulations of Current-Driven Instability. II. Relaxation of Pulsar Wind Nebula
- Polarization in the inner region of Pulsar Wind Nebulae
- The Crab Nebula: interpretation of CHANDRA observations
- Chandra, Keck and VLA Observations of the Crab Nebula during the 2011-April Gamma-ray Flare
- Characterization of the optical and X-ray properties of the northwestern wisps in the Crab Nebula
- Characterization of the Inner Knot of the Crab: The Site of the Gamma-ray Flares?
- The Crab Nebula at 1.3 mm: evidence for a new synchrotron component
- Near-Infrared, Kilosecond Variability of the Wisps and Jet in the Crab Pulsar Wind Nebula
- The variability of the Crab Nebula in radio: No radio counterpart to gamma-ray flares
- The "ideal" tearing mode: theory and resistive MHD simulations
- On the Implications of Recent Observations of the Inner Knot in the Crab Nebula
Cited by in corpus (37)
- Pulsar wind nebulae with bow shocks: non-thermal radiation and cosmic ray leptons
- Magnetic fields in heavy ion collisions: flow and charge transport
- TeV Halos are Everywhere: Prospects for New Discoveries
- A Particle Module for the PLUTO Code: I - an implementation of the MHD-PIC equations
- Gamma-ray halos around pulsars as the key to understanding cosmic ray transport in the Galaxy
- Core collapse supernova remnants with ears
- Particle acceleration in explosive relativistic reconnection events and Crab Nebula gamma-ray flares
- Particle acceleration in explosive relativistic reconnection events and Crab Nebula gamma-ray flares
- A Constrained Transport Method for the Solution of the Resistive Relativistic MHD Equations
- Full-3D relativistic MHD simulations of Bow Shock Pulsar Wind Nebulae: dynamics
- Reverberation of pulsar wind nebulae (I): Impact of the medium properties and other parameters upon the extent of the compression
- Modeling the γ-ray Pulsar Wind Nebulae population in our Galaxy
- Modelling the interaction between relativistic and non-relativistic winds in binary pulsar systems: strong magnetization of the pulsar wind
- Modeling the effect of small-scale magnetic turbulence on the X-ray properties of Pulsar Wind Nebulae
- On the broad-band synchrotron spectra of pulsar wind nebulae
- Acceleration of X-ray Emitting Electrons in the Crab Nebula
- Reverberation of pulsar wind nebulae (II): Anatomy of the "thin-shell'' evolution
- From young to old: the evolutionary path of Pulsar Wind Nebulae
- Detection of Small Flares from the Crab Nebula with Fermi-LAT
- Reverberation of pulsar wind nebulae (III): Modelling of the plasma interface empowering a long term radiative evolution
- A Laminar Model for the Magnetic Field Structure in Bow-Shock Pulsar Wind Nebulae
- Escape of High Energy Particles from Bow-Shock Pulsar Wind Nebulae
- Gamma-ray halos around pulsars: impact on pulsar wind physics and galactic cosmic ray transport
- Evolved Pulsar Wind Nebulae
- Relativistic reconnection with effective resistivity: I. Dynamics and reconnection rate
- Multidimensional relativistic MHD simulations of Pulsar Wind Nebulae: dynamics and emission
- Deciphering the Nature of the Pulsar Wind Nebula CTB 87 with XMM-Newton
- 3D Relativistic MHD Simulations of Pulsar Bow Shock Nebulae
- High-Resolution Radio Study of the Dragonfly Nebula
- Introducing the HD+B model for pulsar wind nebulae: a hybrid hydrodynamics/radiative approach
- Relativistic MHD modeling of magnetized neutron stars, pulsar winds, and their nebulae
- Modeling Radio Circular Polarization in the Crab Nebula
- Polarization properties of turbulent synchrotron bubbles: an approach based on Chandrasekhar-Kendall functions
- Spatio-spectral-temporal Modelling of Two Young Pulsar Wind Nebulae
- The Non-Uniform Expansion of the Crab Nebula
- Retuning radio astronomy for axion dark matter with neutron stars
- On the Impact of the Numerical Method on Magnetic Reconnection and Particle Acceleration -- I. The MHD case