41. Electromagnetism; electron and ion optics
41.20.-q Electric, magnetic, and electromagnetic fields
41.20.Bt Maxwell equations, time-varying fields, conservation laws (see also
03.50.D Maxwell theory)
41.20.Cv Electrostatics; Poisson and Laplace equations, boundary-value problems
41.20.Gz Magnetostatics; magnetic shielding, magnetic induction, boundary-
value problems
41.20.Jb Electromagnetic wave propagation; radiowave propagation (see also
84.40.C Radiowave and microwave propagation; for light propagation,
see 42.25.B; for propagation in plasma, see 52.35.H; for ionospheric
and magnetospheric propagation, see 94.20.B and 94.30.T)
41.50.+h X-ray beams (see also 07.85.F in instruments)
41.60.-m Radiation by moving charges
41.60.Ap Synchrotron radiation (for synchrotron radiation instrumentation,
see 07.85.Q)
41.60.Bq Cherenkov radiation
41.60.Cr Free-electron lasers (see also 52.75.M Free-electron devices)
41.75.-i Charged-particle beams
41.75.Ak Positive-ion beams
41.75.Cn Negative-ion beams
41.75.Fr Electron and positron beams
41.75.Ht Relativistic electron and positron beams
41.75.Lx Advanced accelerator concepts
41.85.-p Beam optics (see also 07.77 Atomic, molecular, and charged particle
sources and detectors, 29.27 Beams in particle accelerators)
41.85.Ar Beam extraction, beam injection
41.85.Ct Beam shaping, beam splitting
41.85.Ew Beam profile, beam intensity
41.85.Gy Chromatic and geometrical aberrations
41.85.Ja Beam transport
41.85.Lc Beam focusing and bending magnets, wiggler magnets, and quadrupoles
(see also 07.55.D--in instruments, 85.70.N--in magnetic devices; for
superconducting magnets, see 85.25.L)
41.85.Ne Electrostatic lenses, septa
41.85.Qg Beam analyzers, beam monitors, and Faraday cups
41.85.Si Beam collimators, monochromators
41.90.+e Other topics in electromagnetism; electron and ion optics