• Thumbnail for Particle in a box
    In quantum mechanics, the particle in a box model (also known as the infinite potential well or the infinite square well) describes the movement of a...
    36 KB (5,885 words) - 09:33, 14 February 2025
  • Thumbnail for Particle
    In the physical sciences, a particle (or corpuscle in older texts) is a small localized object which can be described by several physical or chemical...
    18 KB (1,643 words) - 15:49, 14 May 2025
  • In quantum mechanics, the case of a particle in a one-dimensional ring is similar to the particle in a box. The Schrödinger equation for a free particle...
    4 KB (674 words) - 04:38, 7 March 2025
  • Thumbnail for Quantum mechanics
    The general solutions of the Schrödinger equation for the particle in a box are ψ ( x ) = A e i k x + B e − i k x E = ℏ 2 k 2 2 m {\displaystyle \psi...
    99 KB (12,153 words) - 17:39, 19 May 2025
  • illustrating that the particle may be in motion even if its spatial probability density has no explicit time dependence. For a particle in a box, in one spatial...
    20 KB (3,444 words) - 13:19, 15 April 2025
  • In quantum mechanics, the results of the quantum particle in a box can be used to look at the equilibrium situation for a quantum ideal gas in a box which...
    15 KB (2,746 words) - 10:37, 18 December 2024
  • The general solutions of the Schrödinger equation for the particle in a box are ψ ( x ) = A e i k x + B e − i k x E = ℏ 2 k 2 2 m {\displaystyle \psi...
    75 KB (10,263 words) - 22:53, 13 April 2025
  • In quantum mechanics, the case of a particle in a one-dimensional ring is similar to the particle in a box. The particle follows the path of a semicircle...
    7 KB (906 words) - 06:20, 2 November 2022
  • In physics, a free particle is a particle that, in some sense, is not bound by an external force, or equivalently not in a region where its potential energy...
    13 KB (1,929 words) - 00:49, 5 April 2025
  • Thumbnail for Quantum dot
    are semiconductor particles a few nanometres in size with optical and electronic properties that differ from those of larger particles via quantum mechanical...
    117 KB (13,793 words) - 18:27, 21 April 2025
  • Thumbnail for Uncertainty principle
    need not be balanced in general. Consider a particle in a one-dimensional box of length L {\displaystyle L} . The eigenfunctions in position and momentum...
    139 KB (19,263 words) - 21:15, 14 April 2025
  • Thumbnail for Wave function
    then be modeled using the particle in a box model in which the energy of different states is dependent on the length of the box. The wave functions for...
    99 KB (13,587 words) - 21:25, 14 May 2025
  • potential The double-well delta potential The steps potentials The particle in a box / infinite potential well The finite potential well The step potential...
    8 KB (719 words) - 10:34, 4 December 2024
  • Thumbnail for Conjugated system
    to a higher energy level. A simple model of the energy levels is provided by the quantum-mechanical problem of a one-dimensional particle in a box of...
    35 KB (4,303 words) - 09:26, 15 May 2025
  • In quantum mechanics, indistinguishable particles (also called identical or indiscernible particles) are particles that cannot be distinguished from one...
    33 KB (5,512 words) - 19:26, 27 December 2024
  • In experimental and applied particle physics, nuclear physics, and nuclear engineering, a particle detector, also known as a radiation detector, is a...
    12 KB (1,180 words) - 18:15, 13 May 2025
  • Thumbnail for Degenerate energy levels
    constitute a degenerate set. Degrees of degeneracy of different energy levels for a particle in a square box: In this case, the dimensions of the box L x =...
    40 KB (6,123 words) - 12:57, 1 April 2025
  • Thermal de Broglie wavelength (category All Wikipedia articles written in American English)
    partition function. Assuming a 1-dimensional box of length L, the partition function (using the energy states of the 1D particle in a box) is Z = ∑ n exp ⁡ ( −...
    8 KB (1,180 words) - 20:32, 25 February 2025
  • spectrum of the 3D harmonic oscillator, particle in a box, and even the relativistic fine structure of the hydrogen atom. In 1976–1977, Michael Berry and M. Tabor...
    7 KB (1,269 words) - 02:59, 20 August 2024
  • Matter waves are a central part of the theory of quantum mechanics, being half of wave–particle duality. At all scales where measurements have been practical...
    70 KB (8,040 words) - 07:56, 27 April 2025
  • square well) is a concept from quantum mechanics. It is an extension of the infinite potential well, in which a particle is confined to a "box", but one which...
    20 KB (4,197 words) - 05:18, 27 March 2025
  • Thumbnail for Absorption band
     30–34. ISBN 0471965227. Autschbach, Jochen (November 2007). "Why the Particle-in-a-Box Model Works Well for Cyanine Dyes but Not for Conjugated Polyenes"...
    13 KB (1,532 words) - 18:19, 25 April 2025
  • Particle Fever is a 2013 American documentary film tracking the first round of experiments at the Large Hadron Collider (LHC) near Geneva, Switzerland...
    11 KB (1,030 words) - 16:39, 10 May 2025
  • Thumbnail for Node (physics)
    Node (physics) (category Concepts in physics)
    which weaken the bond. Another such quantum mechanical concept is the particle in a box where the number of nodes of the wavefunction can help determine the...
    10 KB (1,365 words) - 13:49, 14 March 2025
  • Thumbnail for Triviality (mathematics)
    is important in mathematics and physics, as it could be used to describe a particle in a box in quantum mechanics, or a standing wave on a string. It always...
    11 KB (1,535 words) - 12:08, 19 May 2025
  • Thumbnail for Litter box
    soft dirt. This initially occurs in advance of elimination and can be combined with ingesting particles. Cat litter boxes are designed to stimulate feline...
    29 KB (3,543 words) - 23:32, 20 March 2025
  • This applies to the elementary "particle in a box" problem, and step potentials. For a simple harmonic oscillator in one dimension, the potential varies...
    29 KB (5,042 words) - 04:03, 21 April 2025
  • Thumbnail for Potential well
    shortens. A rather good approximation of an exciton's behaviour is the 3-D model of a particle in a box. The solution of this problem provides a sole[clarification...
    9 KB (1,308 words) - 17:27, 3 November 2024
  • Thumbnail for Quantum well
    that confined carriers can be in are particle-in-a-box-like states. Quantum wells and quantum well devices are a subfield of solid-state physics that...
    42 KB (6,145 words) - 14:08, 1 October 2024
  • Thumbnail for Ground state
    in a one-dimensional box is a half-period sine wave, which goes to zero at the two edges of the well. The energy of the particle is given by h 2 n 2 8...
    11 KB (2,098 words) - 20:08, 16 April 2025