• physics, a plane wave is a special case of a wave or field: a physical quantity whose value, at any given moment, is constant through any plane that is perpendicular...
    7 KB (1,123 words) - 12:05, 13 May 2025
  • sinusoidal plane wave is a special case of plane wave: a field whose value varies as a sinusoidal function of time and of the distance from some fixed plane. It...
    17 KB (2,866 words) - 19:49, 24 September 2023
  • Thumbnail for Wave
    physical waves in finite domains. A plane wave is an important mathematical idealization where the disturbance is identical along any (infinite) plane normal...
    61 KB (7,810 words) - 01:40, 29 June 2025
  • Thumbnail for Polarization (waves)
    electromagnetic waves and polarization in particular, it is easier to just consider coherent plane waves; these are sinusoidal waves of one particular...
    74 KB (9,420 words) - 14:38, 20 June 2025
  • In physics, the plane-wave expansion expresses a plane wave as a linear combination of spherical waves: e i k ⋅ r = ∑ ℓ = 0 ∞ ( 2 ℓ + 1 ) i ℓ j ℓ ( k r...
    2 KB (332 words) - 11:08, 26 August 2023
  • Thumbnail for Sine wave
    sinusoidal plane wave is a special case of plane wave: a field whose value varies as a sinusoidal function of time and of the distance from some fixed plane. It...
    10 KB (1,332 words) - 22:13, 6 March 2025
  • Thumbnail for Transverse wave
    example is the waves that are created on the membrane of a drum. The waves propagate in directions that are parallel to the membrane plane, but each point...
    19 KB (1,827 words) - 03:59, 23 April 2025
  • approach), which is the usual choice within the quantum chemistry community; plane waves which are typically used within the solid state community, or real-space...
    36 KB (4,970 words) - 04:18, 21 June 2025
  • considered is regarded as made up of a combination, or superposition, of plane waves. It has some parallels to the Huygens–Fresnel principle, in which the...
    73 KB (12,531 words) - 15:38, 25 February 2025
  • pp-wave spacetimes, or pp-waves for short, are an important family of exact solutions of Einstein's field equation. The term pp stands for plane-fronted...
    23 KB (3,411 words) - 06:26, 13 July 2025
  • Thumbnail for Electromagnetic radiation
    Electromagnetic waves in free space must be solutions of Maxwell's electromagnetic wave equation. Two main classes of solutions are known, namely plane waves and...
    85 KB (10,023 words) - 05:52, 7 July 2025
  • Thumbnail for Sound
    Sound (redirect from Sound wave)
    of various sound wave frequencies (and noise). Sound waves are often simplified to a description in terms of sinusoidal plane waves, which are characterized...
    37 KB (4,179 words) - 01:38, 7 July 2025
  • Thumbnail for Wave equation
    (two-way) wave equation can be quite complicated. Still, it can be analyzed as a linear combination of simple solutions that are sinusoidal plane waves with...
    60 KB (10,782 words) - 21:41, 4 June 2025
  • Thumbnail for Mie scattering
    electromagnetic plane wave by a homogeneous sphere. The solution takes the form of an infinite series of spherical multipole partial waves. It is named after...
    58 KB (9,240 words) - 15:57, 24 May 2025
  • Thumbnail for Wavefront
    Wavefront (redirect from Wave front)
    sinusoidal plane wave, the wavefronts are planes perpendicular to the direction of propagation, that move in that direction together with the wave. For a...
    12 KB (1,463 words) - 16:35, 23 June 2025
  • Fraunhofer diffraction equation is used to model the diffraction of waves when plane waves are incident on a diffracting object, and the diffraction pattern...
    24 KB (3,590 words) - 18:23, 3 July 2025
  • the plane waves used to create it, it can be shown that one of the diffracted waves is a re-construction of the other plane wave. When a plane wave is...
    39 KB (5,886 words) - 16:43, 9 July 2025
  • Thumbnail for Dirac delta function
    into plane waves, then one can in principle solve linear partial differential equations. Such a decomposition of the delta function into plane waves was...
    97 KB (14,360 words) - 10:41, 13 July 2025
  • for a particle with momentum p or wave vector k, at angular frequency ω or energy E, is given by a complex plane wave: ψ ( r , t ) = A e i ( k ⋅ r − ω...
    13 KB (1,929 words) - 00:49, 5 April 2025
  • Sinusoidal plane-wave solutions are particular solutions to the wave equation. The general solution of the electromagnetic wave equation in homogeneous...
    9 KB (1,348 words) - 17:49, 14 December 2024
  • plane waves are described as "non-flat solutions of Albert Einstein’s empty spacetime field equation". They are a special class of a vacuum pp-wave spacetime...
    2 KB (304 words) - 04:18, 30 December 2024
  • Dirac equation (redirect from Dirac wave)
    the energies of the solutions do not have a lower bound is unexpected. Plane-wave solutions are those arising from an ansatz ψ ( x ) = u ( p ) e − i p ⋅...
    79 KB (13,114 words) - 04:35, 5 July 2025
  • Plane wave expansion method (PWE) refers to a computational technique in electromagnetics to solve the Maxwell's equations by formulating an eigenvalue...
    9 KB (1,297 words) - 17:22, 9 October 2024
  • See polarization and plane of polarization for more information. The orientation of a linearly polarized electromagnetic wave is defined by the direction...
    5 KB (666 words) - 01:36, 23 June 2023
  • Thumbnail for Poynting vector
    standing wave or the near field of an antenna. In a single electromagnetic plane wave (rather than a standing wave which can be described as two such waves travelling...
    33 KB (4,629 words) - 13:32, 2 July 2025
  • Thumbnail for Reciprocal lattice
    that of a direct lattice R n {\displaystyle \mathbf {R} _{n}} . Each plane wave in this Fourier series has the same phase or phases that are differed...
    33 KB (5,497 words) - 02:05, 20 June 2025
  • Thumbnail for Superposition principle
    the behavior of any light wave can be understood as a superposition of the behavior of these simpler plane waves. Waves are usually described by variations...
    20 KB (2,722 words) - 23:40, 5 October 2024
  • Thumbnail for Frequency selective surface
    amplitudes on the surface of the scatterers. Bloch wave - MoM is similar in principle to the plane wave expansion method, but since it additionally employs...
    49 KB (6,354 words) - 23:12, 12 April 2025
  • , & Stuart, J. T. (1971). A non-linear instability theory for a wave system in plane Poiseuille flow. Journal of Fluid Mechanics, 48(3), 529-545. Hocking...
    6 KB (1,119 words) - 01:24, 5 June 2025
  • propagation). For a transverse-electric-magnetic (TEM) plane wave traveling through a homogeneous medium, the wave impedance is everywhere equal to the intrinsic...
    5 KB (838 words) - 11:59, 20 April 2025