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  2. Feynman parametrization - Wikipedia

    en.wikipedia.org/wiki/Feynman_parametrization

    Feynman parametrization is a technique for evaluating loop integrals which arise from Feynman diagrams with one or more loops. However, it is sometimes useful in integration in areas of pure mathematics as well.

  3. Feynman diagram - Wikipedia

    en.wikipedia.org/wiki/Feynman_diagram

    Feynman gave a prescription for calculating the amplitude (the Feynman rules, below) for any given diagram from a field theory Lagrangian. Each internal line corresponds to a factor of the virtual particle 's propagator ; each vertex where lines meet gives a factor derived from an interaction term in the Lagrangian, and incoming and outgoing ...

  4. Dimensional regularization - Wikipedia

    en.wikipedia.org/wiki/Dimensional_regularization

    In theoretical physics, dimensional regularization is a method introduced by Giambiagi and Bollini [1] as well as – independently and more comprehensively [2] – by 't Hooft and Veltman [3] for regularizing integrals in the evaluation of Feynman diagrams; in other words, assigning values to them that are meromorphic functions of a complex parameter d, the analytic continuation of the number ...

  5. Project Tuva - Wikipedia

    en.wikipedia.org/wiki/Project_Tuva

    Richard Feynman: Making Science Easy: Bill Gates: 2:16 #1: Law of Gravitation — An Example of Physical Law: Richard Feynman: 55:37 #2: The Relation of Mathematics and Physics: Richard Feynman: 55:32 #3: The Great Conservation Principles: Richard Feynman: 56:03 #4: Symmetry in Physical Law: Richard Feynman: 57:06 #5: The Distinction of the ...

  6. The Character of Physical Law - Wikipedia

    en.wikipedia.org/wiki/The_Character_of_Physical_Law

    The Character of Physical Law is a series of seven lectures by physicist Richard Feynman concerning the nature of the laws of physics. Feynman delivered the lectures in 1964 at Cornell University , as part of the Messenger Lectures series.

  7. Perfectly Reasonable Deviations from the Beaten Track

    en.wikipedia.org/wiki/Perfectly_Reasonable...

    Perfectly Reasonable Deviations from the Beaten Track: The Letters of Richard P. Feynman is a collection of Nobel Prize winner Richard Feynman's letters. [ 1 ] [ 2 ] [ 3 ] The book was edited by his daughter, Michelle Feynman , and includes a foreword by Timothy Ferris .

  8. Feynman checkerboard - Wikipedia

    en.wikipedia.org/wiki/Feynman_checkerboard

    The Feynman checkerboard, or relativistic chessboard model, was Richard Feynman's sum-over-paths formulation of the kernel for a free spin-⁠ 1 / 2 ⁠ particle moving in one spatial dimension. It provides a representation of solutions of the Dirac equation in (1+1)-dimensional spacetime as discrete sums.

  9. Functional integration - Wikipedia

    en.wikipedia.org/wiki/Functional_integration

    Functional integration is a collection of results in mathematics and physics where the domain of an integral is no longer a region of space, but a space of functions. Functional integrals arise in probability , in the study of partial differential equations , and in the path integral approach to the quantum mechanics of particles and fields.