• Feynman parametrization is a technique for evaluating loop integrals which arise from Feynman diagrams with one or more loops. However, it is sometimes...
    7 KB (1,885 words) - 04:05, 28 January 2024
  • rules One-loop Feynman diagram Feynman gauge Feynman path integral Feynman parametrization Feynman propagator Feynman slash notation Feynman–Smoluchowski...
    1 KB (109 words) - 13:18, 1 January 2023
  • Lambda-CDM model, the standard model of Big Bang cosmology Feynman parametrization Schwinger parametrization Solid modeling Dependency injection Hughes-Hallet...
    7 KB (888 words) - 19:44, 23 October 2022
  • Thumbnail for Path integral formulation
    integrals (for interactions of a certain type, these are coordinate space or Feynman path integrals), than the Hamiltonian. Possible downsides of the approach...
    86 KB (14,263 words) - 07:24, 11 August 2024
  • Thumbnail for Richard Feynman
    Richard Phillips Feynman (/ˈfaɪnmən/; May 11, 1918 – February 15, 1988) was an American theoretical physicist, known for his work in the path integral...
    126 KB (14,488 words) - 20:43, 14 August 2024
  • Thumbnail for Feynman diagram
    In theoretical physics, a Feynman diagram is a pictorial representation of the mathematical expressions describing the behavior and interaction of subatomic...
    93 KB (16,020 words) - 21:50, 8 July 2024
  • Schwinger parametrization is a technique for evaluating loop integrals which arise from Feynman diagrams with one or more loops. Using the well-known...
    1 KB (237 words) - 19:12, 26 July 2022
  • In quantum mechanics, the Hellmann–Feynman theorem relates the derivative of the total energy with respect to a parameter to the expectation value of...
    16 KB (2,770 words) - 21:24, 12 August 2024
  • One-electron universe (category Richard Feynman)
    proposed by theoretical physicist John Wheeler in a telephone call to Richard Feynman in the spring of 1940, is the hypothesis that all electrons and positrons...
    4 KB (524 words) - 23:41, 9 June 2024
  • Challenger Disaster) is a 2013 TV movie starring William Hurt about Richard Feynman's investigation into the 1986 Space Shuttle Challenger disaster. The film...
    9 KB (870 words) - 21:34, 5 June 2024
  • American biographical film about the romantic life of physicist Richard Feynman. Feynman was played by Matthew Broderick, who also directed and co-produced...
    9 KB (854 words) - 23:19, 16 July 2024
  • His mother was the astrophysicist Joan Feynman and his uncle was Nobel Prize-winning physicist Richard Feynman. Hirshberg is the author of several books:...
    3 KB (258 words) - 11:55, 26 January 2024
  • The Bethe–Feynman efficiency formula, a simple method for calculating the yield of a fission bomb, was first derived in 1943 after development in 1942...
    2 KB (241 words) - 03:39, 10 July 2024
  • Quantum cellular automaton (category Richard Feynman)
    axiomatically, from the symmetries of the global evolution. In 1982, Richard Feynman suggested an initial approach to quantizing a model of cellular automata...
    10 KB (1,334 words) - 06:51, 7 June 2024
  • Sticky bead argument (category Richard Feynman)
    but it was originally proposed by Richard Feynman. The thought experiment was first described by Feynman in 1957 at a conference at Chapel Hill, North...
    17 KB (2,095 words) - 08:11, 8 November 2023
  • the curve provided by the parametrization. In fact, the change of variable s → –s provides another arc-length parametrization, and changes the sign of...
    44 KB (6,432 words) - 08:44, 10 June 2024
  • QED (play) (category Richard Feynman)
    life of Nobel Prize-winning physicist Richard Feynman. It presents scenes from a fictional day in Feynman's life, less than two years before his death,...
    9 KB (1,105 words) - 05:30, 22 January 2024
  • .15.2590F. doi:10.1103/PhysRevD.15.2590. Field, R.D.; Feynman, R.P. (1978). "A Parametrization of the Properties of Quark Jets". Nuclear Physics. B136...
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  • − m 2 + i ϵ {\displaystyle (k+q)^{2}-m^{2}+i\epsilon } . Using Feynman parametrization, this can be rewritten as a linear combination of integrals of...
    7 KB (1,366 words) - 00:13, 7 April 2024
  • Thumbnail for Unit hyperbola
    Gregoire de Saint-Vincent led to the logarithm function and the modern parametrization of the hyperbola by sector areas. When the notions of conjugate hyperbolas...
    10 KB (1,507 words) - 01:20, 4 May 2024
  • for multiple objects. Action and the variational principle are used in Feynman's quantum mechanics and in general relativity. For systems with small values...
    23 KB (2,991 words) - 09:00, 6 August 2024
  • systems Feynman's Lost Lecture: The Motion of Planets Around the Sun Feynman checkerboard Feynman diagram Feynman graph Feynman parametrization Feynman slash...
    14 KB (1,545 words) - 07:28, 18 March 2023
  • Thumbnail for Symbolic regression
    symbolic regression algorithm longer to find an appropriate model and parametrization, than traditional regression techniques. This can be attenuated by...
    20 KB (2,069 words) - 10:07, 25 May 2024
  • vectors in three-dimensional Euclidean space Feynman, R. P.; Leighton, R. B.; Sands, M. (1964). The Feynman Lectures on Physics. Addison-Wesley. Vol II...
    31 KB (4,999 words) - 21:31, 17 June 2024
  • Thumbnail for Lorentz transformation
    allows either v or β to be reinstated when convenient, and the rapidity parametrization is immediately obtained by replacing β and βγ. It is not convenient...
    103 KB (14,094 words) - 22:06, 27 May 2024
  • Thumbnail for Bloch sphere
    }\sin \theta /2)} with eigenvalue 1, so like a projection operator for it. Feynman, Vernon & Hellwarth 1957. Milonni & Eberly 1988, p. 340. Penrose 2007,...
    23 KB (3,793 words) - 22:40, 16 July 2024
  • closely aligned with recent work. Evolution parameter theories were used by Feynman, Schwinger and others to formulate quantum field theory in the late 1940s...
    12 KB (1,546 words) - 23:48, 28 November 2023
  • the divergence. In spherical coordinates in N dimensions, with the parametrization x = rθ ∈ RN with r representing a positive real radius and θ an element...
    27 KB (4,069 words) - 14:31, 13 August 2024
  • But the problem is that it does not solve the problem as it makes parametrization much harder and risk control less reliable. Perhaps more fundamental:...
    23 KB (2,426 words) - 21:17, 30 May 2024
  • also appear in physics in topological field theory, where one can use Feynman path integrals to compute the intersection numbers of various algebraic...
    28 KB (4,048 words) - 18:33, 6 February 2024