• Matrix mechanics is a formulation of quantum mechanics created by Werner Heisenberg, Max Born, and Pascual Jordan in 1925. It was the first conceptually...
    67 KB (10,615 words) - 20:30, 4 March 2025
  • In quantum mechanics, a density matrix (or density operator) is a matrix used in calculating the probabilities of the outcomes of measurements performed...
    37 KB (5,446 words) - 05:00, 13 May 2025
  • laid the groundwork for matrix mechanics that would come to substitute old quantum theory, leading to the modern quantum mechanics. Heisenberg received the...
    23 KB (2,818 words) - 17:47, 2 February 2025
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    referred to as matrix mechanics.) Matrices, both finite and infinite-dimensional, have since been employed for many purposes in quantum mechanics. One particular...
    108 KB (13,418 words) - 19:21, 15 May 2025
  • Thumbnail for Werner Heisenberg
    Max Born and Pascual Jordan, during the same year, his matrix formulation of quantum mechanics was substantially elaborated. He is known for the uncertainty...
    129 KB (14,173 words) - 13:07, 26 April 2025
  • Born, and Pascual Jordan developed matrix mechanics and the Austrian physicist Erwin Schrödinger invented wave mechanics. Schrödinger subsequently showed...
    77 KB (9,386 words) - 10:44, 4 May 2025
  • space for details), so observables are differential operators. In the matrix mechanics formulation, the norm of the physical state should stay fixed, so the...
    27 KB (3,595 words) - 11:49, 22 April 2025
  • Thumbnail for Mechanics
    Matrix mechanics is an alternative formulation that allows considering systems with a finite-dimensional state space. Quantum statistical mechanics generalizes...
    22 KB (2,578 words) - 05:50, 8 May 2025
  • invented his matrix mechanics, which was the first correct quantum mechanics – the essential breakthrough. Heisenberg's matrix mechanics formulation was...
    58 KB (8,107 words) - 02:10, 26 March 2025
  • the identity matrix. In physics, especially in quantum mechanics, the conjugate transpose is referred to as the Hermitian adjoint of a matrix and is denoted...
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  • Thumbnail for Max Born
    In 1925 Born and Werner Heisenberg formulated the matrix mechanics representation of quantum mechanics. The following year, he formulated the now-standard...
    64 KB (7,371 words) - 17:13, 26 April 2025
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    the probability of finding a particle at a given point in space. The matrix mechanics of Werner Heisenberg (1925) makes no mention of wave functions or similar...
    21 KB (1,889 words) - 22:26, 9 May 2025
  • Thumbnail for Uncertainty principle
    Uncertainty principle (category Quantum mechanics)
    principle. The wave mechanics picture of the uncertainty principle is more visually intuitive, but the more abstract matrix mechanics picture formulates...
    139 KB (19,263 words) - 21:15, 14 April 2025
  • Thumbnail for Many-worlds interpretation
    The many-worlds interpretation (MWI) is an interpretation of quantum mechanics that asserts that the universal wavefunction is objectively real, and that...
    69 KB (8,371 words) - 14:50, 7 May 2025
  • momentum variables of the equations of classical mechanics. They applied the rules of matrix mechanics to a few highly idealized problems and the results...
    20 KB (2,289 words) - 12:47, 10 May 2025
  • / Date incompatibility (help) Lakshmibala, S. (2004). "Heisenberg, Matrix Mechanics and the Uncertainty Principle". Resonance: Journal of Science Education...
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  • Thumbnail for Pascual Jordan
    contributions to quantum mechanics and quantum field theory. He contributed much to the mathematical form of matrix mechanics, and developed canonical...
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  • In mathematics, a Hermitian matrix (or self-adjoint matrix) is a complex square matrix that is equal to its own conjugate transpose—that is, the element...
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  • ambiguities and inconsistencies. Schrödinger's wave mechanics developed separately from matrix mechanics until Schrödinger and others proved that the two...
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    two earliest formulations of quantum mechanics – matrix mechanics (invented by Werner Heisenberg) and wave mechanics (invented by Erwin Schrödinger). An...
    99 KB (12,087 words) - 05:01, 14 May 2025
  • This is a list of notable textbooks on classical mechanics and quantum mechanics arranged according to level and surnames of the authors in alphabetical...
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  • Schrödinger equation (category Wave mechanics)
    systems and make predictions. Other formulations of quantum mechanics include matrix mechanics, introduced by Werner Heisenberg, and the path integral formulation...
    75 KB (10,263 words) - 22:53, 13 April 2025
  • interpretation of quantum mechanics The definition of quantum theorists' terms, such as wave function and matrix mechanics, progressed through many stages...
    70 KB (8,022 words) - 18:47, 12 April 2025
  • the notion in quantum mechanics, see scattering matrix. In multivariate statistics and probability theory, the scatter matrix is a statistic that is...
    3 KB (420 words) - 21:07, 14 April 2025
  • use in quantum mechanics to model algebras of physical observables. This line of research began with Werner Heisenberg's matrix mechanics and in a more...
    20 KB (2,830 words) - 09:30, 14 January 2025
  • Thumbnail for Path integral formulation
    the S-matrix is obscure in the formulation. The path-integral approach has proven to be equivalent to the other formalisms of quantum mechanics and quantum...
    86 KB (14,277 words) - 06:29, 14 April 2025
  • In statistical mechanics, the transfer-matrix method is a mathematical technique which is used to write the partition function into a simpler form. It...
    6 KB (780 words) - 15:18, 16 October 2024
  • Thumbnail for Davisson–Germer experiment
    and also the wave mechanics approach of the Schrödinger equation. It was an experimental milestone in the creation of quantum mechanics. According to Maxwell's...
    18 KB (2,242 words) - 02:33, 23 January 2025
  • Historically, around 1926, Schrödinger and Heisenberg show that wave mechanics and matrix mechanics are equivalent, later furthered by Dirac using transformation...
    86 KB (10,173 words) - 02:44, 11 May 2025
  • Thumbnail for Transpose
    transpose of a matrix is an operator which flips a matrix over its diagonal; that is, it switches the row and column indices of the matrix A by producing...
    20 KB (2,550 words) - 21:08, 14 April 2025