• In astrophysics, Chandrasekhar potential energy tensor provides the gravitational potential of a body due to its own gravity created by the distribution...
    4 KB (797 words) - 04:54, 19 December 2024
  • Thumbnail for Stress–energy tensor
    stress-energy tensor The stress–energy tensor, sometimes called the stress–energy–momentum tensor or the energy–momentum tensor, is a tensor physical...
    25 KB (4,040 words) - 17:23, 6 February 2025
  • in the form of a tensor equation which related the local spacetime curvature (expressed by the Einstein tensor) with the local energy, momentum and stress...
    35 KB (5,077 words) - 15:22, 28 May 2025
  • natural to assume that the field equation for gravity relates this tensor and the Ricci tensor, which describes a particular class of tidal effects: the change...
    194 KB (22,691 words) - 07:19, 2 June 2025
  • Thumbnail for Mass–energy equivalence
    Laue gave a more comprehensive proof of M0 = ⁠E0/c2⁠ from the stress–energy tensor, which was later generalized by German mathematician Felix Klein in...
    90 KB (11,630 words) - 13:07, 24 May 2025
  • Thumbnail for Gravitational binding energy
    system has a lower (i.e., more negative) gravitational potential energy than the sum of the energies of its parts when these are completely separated—this...
    10 KB (1,512 words) - 14:46, 17 May 2025
  • Kerr metric (category Metric tensors)
    admits a remarkable Killing tensor. There is a pair of principal null congruences (one ingoing and one outgoing). The Weyl tensor is algebraically special...
    53 KB (6,963 words) - 11:17, 2 June 2025
  • u_{i}u_{j}x_{k}x_{\ell }\,d\mathbf {x} ,\quad \mathrm {etc.} } and the Chandrasekhar potential energy tensor moments are W i j = − 1 2 ∫ V ρ Φ i j d x , W i j ; k =...
    8 KB (2,112 words) - 20:23, 6 October 2020
  • various ways, most notably to a tensor form. If the force between any two particles of the system results from a potential energy V(r) = αrn that is proportional...
    45 KB (7,682 words) - 19:30, 3 March 2025
  • Thumbnail for Post-Newtonian expansion
    E ~ i j {\displaystyle {\tilde {E}}_{ij}} is a traceless tensor. Then the Bardeen potentials are defined as Ψ ≡ A + H ( B − E ′ ) , + ( B + E ′ ) ′ ,...
    10 KB (1,245 words) - 01:40, 6 October 2024
  • Thumbnail for Kaluza–Klein theory
    metric tensor of 15 components. Ten components are identified with the 4D spacetime metric, four components with the electromagnetic vector potential, and...
    48 KB (7,301 words) - 13:21, 27 April 2025
  • Thumbnail for Maxwell's equations
    formalism. In the tensor calculus formulation, the electromagnetic tensor Fαβ is an antisymmetric covariant order 2 tensor; the four-potential, Aα, is a covariant...
    76 KB (7,991 words) - 08:31, 31 May 2025
  • of a scalar–tensor theory, a gravitational theory in which the gravitational interaction is mediated by a scalar field as well as the tensor field of general...
    14 KB (2,324 words) - 11:07, 29 March 2025
  • classification of the energy–momentum tensor and the Petrov classification of the Weyl tensor. There are various methods of classifying these tensors, some of which...
    42 KB (7,044 words) - 06:10, 20 January 2025
  • Thumbnail for Special relativity
    is also the stress–energy tensor for the electromagnetic field, namely the electromagnetic stress–energy tensor. The metric tensor allows one to define...
    186 KB (25,022 words) - 00:07, 28 May 2025
  • relationship between curvature of spacetime and the stress–energy tensor. The Ricci tensor becomes R ´ α β = 8 π G c 4 ( A 2 T ´ α β + B 2 T ´ g α β )...
    26 KB (4,537 words) - 20:12, 21 November 2024
  • Therefore, to describe the system, one defines the average energy per unit mass for a given potential V ( x ; ω ) {\displaystyle V(x;\omega )} as follows E...
    4 KB (710 words) - 22:16, 26 April 2024
  • Kerr–Newman metric (category Metric tensors)
    Balasin, Herbert; Nachbagauer, Herbert (1994). "Distributional energy–momentum tensor of the Kerr–Newman spacetime family". Classical and Quantum Gravity...
    31 KB (4,780 words) - 03:20, 1 June 2025
  • Thumbnail for Alcubierre drive
    {df}{dr_{s}}}\right)^{2},} where g is the determinant of the metric tensor. Thus, because the energy density is negative, one needs exotic matter to travel more...
    45 KB (5,556 words) - 23:29, 23 May 2025
  • Thumbnail for Hendrik Lorentz
    regard the ether, which can be the seat of an electromagnetic field with its energy and its vibrations, as endowed with a certain degree of substantiality,...
    47 KB (4,888 words) - 10:02, 30 May 2025
  • Thumbnail for Reciprocity (electromagnetism)
    Journal. 93: 403–410. Bibcode:1941ApJ....93..403M. doi:10.1086/144279. Chandrasekhar, S. (1950). Radiative Transfer. Oxford, UK: Oxford University Press...
    43 KB (6,440 words) - 12:34, 4 April 2025
  • Petrov classification (category Tensors in general relativity)
    independently by Felix Pirani in 1957. We can think of a fourth rank tensor such as the Weyl tensor, evaluated at some event, as acting on the space of bivectors...
    17 KB (2,699 words) - 02:03, 25 May 2024
  • Thumbnail for History of gravitational theory
    of the metric tensor of spacetime, which describes its geometry. The geodesic paths of spacetime are calculated from the metric tensor. Notable solutions...
    90 KB (11,016 words) - 16:01, 23 May 2025
  • satisfied by a metric tensor that equals the Minkowski tensor everywhere. (However, since the Riemann and hence the Ricci tensor for Minkowski coordinates...
    9 KB (1,166 words) - 23:25, 28 October 2023
  • Thumbnail for Lorentz transformation
    the bilinearity of the tensor product and the last step defines a 2-tensor on component form, or rather, it just renames the tensor u ⊗ v. These observations...
    107 KB (14,859 words) - 06:26, 1 June 2025
  • Reissner–Nordström metric (category Metric tensors)
    419–420. Bibcode:1983PhLA...99..419Q. doi:10.1016/0375-9601(83)90946-5. Chandrasekhar, Subrahmanyan (2009). The mathematical theory of black holes. Oxford...
    19 KB (3,497 words) - 03:21, 1 June 2025
  • Thumbnail for Relativistic electromagnetism
    Lorentz force. ISBN 0387952101. Lawden, Derek F. (2012). An Introduction to Tensor Calculus: Relativity and Cosmology. Courier Corporation. p. 74. ISBN 978-0486132143...
    11 KB (1,238 words) - 18:46, 28 October 2024
  • Thumbnail for History of electromagnetic theory
    The energy of a dynamical system is partly kinetic, partly potential. Maxwell supposes that the magnetic energy of the field is kinetic energy, the electric...
    163 KB (20,866 words) - 09:52, 25 May 2025
  • Edward Witten (positive energy theorem), Louis Witten (Witten electrovacuum solutions) Basilis C. Xanthopoulos (Chandrasekhar–Xanthopoulos colliding plane...
    20 KB (1,819 words) - 22:31, 12 April 2025
  • {\displaystyle \mathbf {v} } is the coordinate velocity of the matter. Stress-energy tensor for a perfect fluid takes form T 00 = ρ ( 1 + Π + v 2 + 2 U ) {\displaystyle...
    20 KB (3,338 words) - 13:00, 26 August 2024