Timescales for radiation belt electron acceleration and loss due to resonant wave-particle interactions: 1. Theory

By Danny Summers, Binbin Ni, Nigel P. Meredith. 2007

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In Astronomy and Astrophysics

Citations in the corpus

Global distribution of whistler‐mode chorus waves observed on the THEMIS spacecraft (2009, background): “…attention due to their important roles in both acceleration and loss of energetic radiation belt electrons [e.g., Horne and Thorne, 1998, 2003; Summers et al., 1998, 2002, 2007; Lorentzen et al., 2001; Meredith et al., 2002, 2003; O’Brien et al., 2004; Horne et al., 2005; Shprits et al.,…”
Van Allen probes, NOAA, GOES, and ground observations of an intense EMIC wave event extending over 12 h in magnetic local time (2015, background): “Most theoretical studies have focused on the effectiveness of storm time dusk sector EMICwaves in high-density regions for pitch angle scattering relativistic electrons [e.g., Summers and Thorne, 2003; Summers et al., 2007a, 2007b; Jordanova et al., 2008; Chen et al., 2011].”
Effect of EMIC waves on relativistic and ultrarelativistic electron populations: Ground‐based and Van Allen Probes observations (2014, methodology): “We computed bounce-averaged pitch angle diffusion coefficients of electrons due to EMIC waves using a quasilinear approach [e.g., Kennel and Engelmann, 1966; Summers et al., 2007].”
Three-dimensional simulations of outer radiation belt electron dynamics including cross-diffusion terms (2010, background): “Such substantial enhancement of flux has been regarded as the result of cyclotron wave‐particle interactions [Horne and Thorne, 1998; Summers et al., 1998, 2004, 2007a, 2007b; Roth et al., 1999; Summers and Ma, 2000; Horne et al., 2003a, 2005; L. Li et al., 2005; Iles et al., 2006; Xiao et al., 20”
Resonant scattering of plasma sheet electrons leading to diffuse auroral precipitation: 2. Evaluation for whistler mode chorus waves (2011, background): “A good estimate for the electron loss timescale is given by 1/hDaai where the bounce‐averaged electron pitch angle scattering rate hDaai is evaluated at the equatorial loss cone angle (aeq)LC [e.g., Shprits et al., 2006c; Summers et al., 2007b; Summers and Ni, 2008; Albert and Shprits, 2009].”
Statistics of whistler mode waves in the outer radiation belt: Cluster STAFF‐SA measurements (2013, methodology): “Now several numerical and semi-analytical models of diffusion coefficients have been developed [see Glauert and Horne, 2005; Summers et al., 2007, and reference therein].”
Relativistic turning acceleration of resonant electrons by coherent whistler mode waves in a dipole magnetic field (2007, background): “[3] Quasi-linear diffusion theory can be effectively used to describe electron cyclotron resonance with whistler mode chorus waves [e.g., see Summers, 2005, Summers et al., 2007a, 2007b and references therein].”
Circulation of Heavy Ions and Their Dynamical Effects in the Magnetosphere: Recent Observations and Models (2014, methodology): “For each L-mode EMIC band the minimum energy is strongly dependent on the fractional density of the ion that specifies the band and weakly dependent on the other two fractional ion densities (Summers and Thorne 2003; Summers et al. 2007).”
Global characteristics of electromagnetic ion cyclotron waves: Occurrence rate and its storm dependence (2013, background): “…Summers et al., 1998; Friedel et al., 2002; Albert, 2003; Meredith et al., 2003; Summers and Thorne, 2003; Shprits et al., 2006; Thorne et al., 2006; Summers et al., 2007a, 2007b; Jordanova et al., 2008; Miyoshi et al., 2008; Shprits et al., 2008; Albert and Bortnik, 2009; Shprits et al., 2009].”
Modeling of outer radiation belt electrons by multidimensional diffusion process (2009, background): “This substantial enhancement in the flux of energetic electrons has been found to be associated with stochastic acceleration driven by cyclotron wave-particle interaction [Horne and Thorne, 1998; Summers et al., 1998; Roth et al., 1999; Summers and Ma, 2000; Summers et al., 2002; Horne et al., 2003a”
Oblique propagation of whistler mode waves in the chorus source region (2009, methodology): “…generation of whistler mode chorus and its effects on the outer Van Allen radiation belt, using both quasi-linear [e.g., Shprits et al., 2007; Summers et al., 2007] and nonlinear [e.g., Trakhtengerts et al., 2007; Omura et al., 2007, 2008] approaches to the description of wave interactions…”
Timescales for radiation belt electron acceleration and loss due to resonant wave‐particle interactions: 2. Evaluation for VLF chorus, ELF hiss, and electromagnetic ion cyclotron waves (2007, background): “A similar scenario for MeV electron scattering by chorus waves was found by Thorne et al. [2005b]. [20] In Figure 11 we show electron loss timescales at the specified energies as a function of L corresponding to low geomagnetic activity.”