• 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
  • 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...
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  • refer to: Pete Waterman Entertainment, a British record label Plane wave expansion method, an analytical procedure used in physics Political Warfare Executive...
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  • Thumbnail for Frequency selective surface
    scatterers. Bloch wave - MoM is similar in principle to the plane wave expansion method, but since it additionally employs the method of moments to produce...
    49 KB (6,354 words) - 23:12, 12 April 2025
  • The linearized augmented-plane-wave method (LAPW) is an implementation of Kohn-Sham density functional theory (DFT) adapted to periodic materials. It...
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  • Thumbnail for Shock wave
    increased expansion may be achieved through an expansion fan, also known as a Prandtl–Meyer expansion fan. The accompanying expansion wave may approach...
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  • Thumbnail for Photonic crystal
    following methods: Plane wave expansion method Inverse dispersion method Finite element method Finite difference time domain method Order-n spectral method KKR...
    59 KB (6,991 words) - 19:47, 23 June 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
  • pseudo-spectral method gives accurate results if N f + N V {\displaystyle N_{f}+N_{V}} basis functions are used. An expansion in plane waves often has a poor...
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  • expansion, also known as the Weyl identity or angular spectrum expansion, expresses an outgoing spherical wave as a linear combination of plane waves...
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  • Thumbnail for S wave
    source, when they can be considered plane waves in the region of interest, the first kind consists of expansions and compressions in the direction perpendicular...
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  • functions from standard basis sets or the pseudo-atomic orbitals from plane-wave pseudopotentials. By minimizing the total energy of the system, an appropriate...
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  • 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
  • bidirectional eigenmode propagation method (BEP method). Eigenmode expansion is a linear frequency-domain method. It offers very strong benefits compared...
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  • derivation of the electromagnetic wave equation has been replaced in modern physics education by a much less cumbersome method involving combining the corrected...
    21 KB (3,102 words) - 17:14, 13 July 2025
  • Sheng Louie. ABINIT - plane-wave pseudopotential method ADF - Slater basis set method BerkeleyGW - plane-wave pseudopotential method CP2K - Gaussian-based...
    10 KB (1,338 words) - 14:11, 27 June 2025
  • Mode (electromagnetism) (category Wave mechanics)
    direction.: 52  Transverse electromagnetic mode (TEM), as with a free space plane wave, both the electric field and magnetic field are entirely transverse. Transverse...
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    376.7\ {\mathsf {\Omega }}\ } ), which is the ratio of a free space plane wave's electric to magnetic field strength. The feedpoint is usually at the...
    89 KB (12,477 words) - 20:43, 30 May 2025
  • Thumbnail for Transonic
    stabilize the plane when reaching transonic flight. This small flap on the underside of the plane slowed the plane to prevent shock waves, but this design...
    14 KB (1,666 words) - 21:16, 18 July 2025
  • basis functions) that is used to represent the electronic wave function in the Hartree–Fock method or density-functional theory in order to turn the partial...
    36 KB (4,970 words) - 04:18, 21 June 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...
    61 KB (10,782 words) - 09:42, 29 July 2025
  • Thumbnail for Stokes wave
    the Stokes expansion – obtained approximate solutions for nonlinear wave motion. Stokes's wave theory is of direct practical use for waves on intermediate...
    76 KB (8,222 words) - 13:39, 12 July 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...
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  • Thumbnail for CP2K
    Gaussian Expansion of the Electrostatic Potential (GEEP). The Gaussian and Augmented Plane Waves method (GAPW) as an extension of the GPW method allows...
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  • Thumbnail for Finite-difference time-domain method
    source can be current on a wire, applied electric field or impinging plane wave. In the last case FDTD can be used to simulate light scattering from arbitrary...
    61 KB (5,390 words) - 03:22, 27 July 2025
  • the electric field to be parallel to the (x,y) plane. The wave is called a transverse magnetic (TM) wave. In 2D and no polarization terms present, Maxwell's...
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  • Thumbnail for Speed of sound
    of rapidly fluctuating temperature in a sound wave (in modern terms, sound wave compression and expansion of air is an adiabatic process, not an isothermal...
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  • Coupled cluster (category Electronic structure methods)
    itself. The Cj excitation operators defining the CI expansion of an N-electron system for the wave function | Ψ 0 ⟩ {\displaystyle |\Psi _{0}\rangle }...
    28 KB (4,353 words) - 02:08, 11 December 2024
  • unless one makes use of the two-microphone method with modern instrumentation. By definition the plane wave TL on an acoustic component with negligible...
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  • Planck time Planck units Planck voltage Plane mirror Plane of incidence Plane of reference Plane wave expansion method PlanetPhysics Planetarium hypothesis...
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