• Thumbnail for Path integral formulation
    The path integral formulation is a description in quantum mechanics that generalizes the stationary action principle of classical mechanics. It replaces...
    86 KB (14,273 words) - 19:34, 16 November 2024
  • Functional integration, the integral of a functional over a space of curves Path integral formulation, Richard Feynman's formulation of quantum mechanics using...
    421 bytes (86 words) - 21:54, 20 August 2023
  • particular the path integral formulation of quantum mechanics makes use of the concept—where a physical system explores all possible paths, with the phase...
    23 KB (2,998 words) - 19:40, 30 October 2024
  • Thumbnail for Double-slit experiment
    experiment can illustrate the path integral formulation of quantum mechanics provided by Feynman. The path integral formulation replaces the classical notion...
    78 KB (8,665 words) - 09:56, 18 November 2024
  • Thumbnail for Feynman diagram
    closely tied to the functional integral formulation of quantum mechanics, also invented by Feynman—see path integral formulation. The naïve application of...
    94 KB (16,038 words) - 11:52, 16 November 2024
  • polarization and of the electron vertex function in QED. In the path integral formulation, the Ward–Takahashi identities are a reflection of the invariance...
    10 KB (1,658 words) - 09:14, 2 June 2024
  • Thumbnail for Quantum field theory
    define. However, through both the canonical quantization formulation and the path integral formulation, it is possible to express it through an infinite perturbation...
    106 KB (14,793 words) - 02:41, 16 November 2024
  • possible at the same time. According to the Feynman path-integral formulation of quantum mechanics, the path of the quantum object is described mathematically...
    10 KB (1,283 words) - 13:56, 30 August 2024
  • This article relates the Schrödinger equation with the path integral formulation of quantum mechanics using a simple nonrelativistic one-dimensional single-particle...
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  • Thumbnail for Gaussian integral
    the ground state of the harmonic oscillator. This integral is also used in the path integral formulation, to find the propagator of the harmonic oscillator...
    20 KB (4,300 words) - 04:56, 19 October 2024
  • S_{\text{source}}=J\phi } . This term appears in the action in Richard Feynman's path integral formulation and responsible for the theory interactions. In a collision reaction...
    45 KB (9,431 words) - 04:09, 15 November 2024
  • Thumbnail for Richard Feynman
    American theoretical physicist. He is best known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, the...
    127 KB (14,511 words) - 00:26, 21 November 2024
  • Thumbnail for Wiener process
    Langevin equations. It also forms the basis for the rigorous path integral formulation of quantum mechanics (by the Feynman–Kac formula, a solution to...
    35 KB (5,899 words) - 10:47, 1 October 2024
  • Thumbnail for Euler spiral
    take a gradual bend shape resembling an Euler spiral. In the path integral formulation of quantum mechanics, the probability amplitude for propagation...
    22 KB (3,256 words) - 23:21, 21 October 2024
  • Thumbnail for Faddeev–Popov ghost
    gauge quantum field theories to maintain the consistency of the path integral formulation. They are named after Ludvig Faddeev and Victor Popov. A more...
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  • condensed matter computer simulation techniques that make use of the path integral formulation including Centroid Molecular Dynamics (CMD), Ring Polymer Molecular...
    10 KB (989 words) - 01:47, 31 October 2022
  • mathematics, a line integral is an integral where the function to be integrated is evaluated along a curve. The terms path integral, curve integral, and curvilinear...
    21 KB (3,181 words) - 19:21, 10 August 2024
  • problems numerically within the path integral formulation. The application of Monte Carlo methods to path integral simulations of condensed matter systems...
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  • Thumbnail for Lagrangian mechanics
    discovered the path integral formulation extending the principle of least action to quantum mechanics for electrons and photons. In this formulation, particles...
    92 KB (14,505 words) - 23:36, 20 November 2024
  • Thumbnail for Fokker–Planck equation
    (2008). Every Fokker–Planck equation is equivalent to a path integral. The path integral formulation is an excellent starting point for the application of...
    35 KB (6,476 words) - 13:00, 4 October 2024
  • application see Relation between Schrödinger's equation and the path integral formulation of quantum mechanics) ∫ − ∞ ∞ exp ⁡ ( 1 2 i a x 2 + i J x ) d...
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  • predictions. Other formulations of quantum mechanics include matrix mechanics, introduced by Werner Heisenberg, and the path integral formulation, developed chiefly...
    74 KB (10,231 words) - 22:06, 19 November 2024
  • Thumbnail for Effective action
    restores convexity. Background field method Correlation function Path integral formulation Renormalization group Spontaneous symmetry breaking Weinberg,...
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  • theories, the partition function is heavily exploited in the path integral formulation, with great success, leading to many formulas nearly identical...
    19 KB (3,367 words) - 21:44, 18 November 2024
  • Thumbnail for Quantum mechanics
    by Erwin Schrödinger). An alternative formulation of quantum mechanics is Feynman's path integral formulation, in which a quantum-mechanical amplitude...
    99 KB (12,082 words) - 22:47, 20 November 2024
  • variational principle Minimal surface Morse theory Noether's theorem Path integral formulation Plateau's problem Prime geodesic Principle of least action Soap...
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  • superficially different from the path integral formulation where the action is a classical function, the modern formulation of the two formalisms are identical...
    4 KB (451 words) - 20:44, 27 September 2024
  • Thumbnail for Relativistic wave equations
    operator Ĥ describing the quantum system. Alternatively, Feynman's path integral formulation uses a Lagrangian rather than a Hamiltonian operator. More generally...
    31 KB (3,469 words) - 19:48, 21 November 2024
  • Thumbnail for Correlation function (quantum field theory)
    such as one-particle irreducible correlation functions. In the path integral formulation, n-point correlation functions are written as a functional average...
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  • wave–particle duality and a non-technical description of the path integral formulation of quantum mechanics, the book explains the uncertainty principle...
    3 KB (210 words) - 21:47, 22 November 2022