A plane wave has constant amplitude and a phase linear in space and time. It is a momentum eigenstate and is not spatially normalizable.
Ancestors (5)
Incoming links (277)
- Acoustic tensor
- Acoustic wavelength measurement
- Airy disk
- Angular scattering probability from complex amplitudes
- Antenna voltage comparison needs an impedance convention
- Atmospheric acoustic cutoff transformation
- Born approximation for scalar wave scattering
- Closed-surface Poynting flux of a plane wave
- Coherent continuum phase matching
- Collisionless Jeans dispersion relation
- Compressed Euler-Bernoulli beam and its endpoint-dependent buckling threshold
- Contact interaction between two ring modes
- Cosine-potential gap in a quantum ring
- Coulomb distortion in electron scattering
- de Broglie wavelength
- Differential cross-section for scalar wave scattering
- Diffraction grating
- Dirac field in two spacetime dimensions
- Dispersion relation
- Dispersion relation of a floating elastic plate
- Energy eigenvalue
- Exact half-period zone radii
- Fabry–Pérot transmission from multiple reflections
- Finite-row electron diffraction model
- Flexural wave
- Fourier diffraction theorem
- Four-momentum of a free real scalar field
- Free-particle momentum convention
- Fresnel diffraction
- Fresnel slit propagation
- Generalized eigenfunction
- Golden-rule derivation of the Born cross-section
- Group velocity
- Helicity content of a quantized Weyl field
- Herglotz wave function
- Holographic wavefront reconstruction
- Inertial-wave dispersion relation
- Interface phase matching
- Interference fringe
- Interference fringe spacing
- Interference (wave propagation)
- Klein-Gordon packet velocities
- Lattice-periodic plane wave
- Left-handed massless plane-wave spinor
- Linear Alfvén wave equations
- Linear polarization
- Lundquist liquid-metal Alfvén wave experiment
- Magnetic flux spectrum of a quantum ring
- Midpoint correction for two quadratic-dispersion waves
- Momentum eigenstate
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- Phase-conjugate mirror
- Phase matching in second-harmonic generation
- Phase quadrature
- Phase velocity
- Plane-wave dispersion of a material-density-damped condensate
- Quadratic wave interaction
- Rectangular-lattice Fermi-surface reconstruction
- Relativistic matter-wave velocities
- Resonant s-wave unitarity check
- Rossby-wave equation for a sheared zonal current
- Schrödinger equation
- Secular equation (linear algebra)
- Shallow-water Rossby-wave dispersion relation
- Single-slit diffraction
- Slowness
- Spatial phase gradient of a Schrodinger wavefunction
- Spectral acoustic flux
- Square-lattice band-overlap criterion with diagonal Fourier coupling
- Static magnetic grating in a moving frame
- Time-independent Schrödinger equation
- Transfer matrix of a delta potential
- Twin image in holography
- Twisted boundary condition
- Two-dimensional partial-wave scattering formula
- Two-wave estimate of a Bragg-gap coupling from a pocket area
- Wave absorption
- Wavefront
- Wavelength
- Wavenumber
- Wave scattering at a planar interface
- Weyl Hamiltonian
- Weyl plane-wave representation
- Whistler wave
- Zone plate
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Articles by others on the same topic (1)
A plane wave is a type of wave that has a constant phase front and travels in a uniform direction. In simpler terms, it can be thought of as a wave where the wavefronts (surfaces of constant phase) are infinite parallel planes. Plane waves are often used as an idealization in physics to simplify the analysis of wave phenomena, such as light waves, sound waves, and other types of electromagnetic or mechanical waves.