• In mechanics, the virial theorem provides a general equation that relates the average over time of the total kinetic energy of a stable system of discrete...
    45 KB (7,682 words) - 19:30, 3 March 2025
  • Thumbnail for Equipartition theorem
    that in rotational motion. The equipartition theorem makes quantitative predictions. Like the virial theorem, it gives the total average kinetic and potential...
    91 KB (11,997 words) - 12:08, 7 May 2025
  • In astrophysics, the virial mass is the mass of a gravitationally bound astrophysical system, assuming the virial theorem applies. In the context of galaxy...
    9 KB (1,751 words) - 05:51, 6 January 2025
  • eigenenergy. It is demonstrated in Brack (1983) that application of the virial theorem to the eigenfunction equation produces the following formula for the...
    80 KB (10,626 words) - 22:19, 9 May 2025
  • mechanics, virial stress is a measure of stress on an atomic scale for homogeneous systems. The name is derived from Latin vis 'force': "Virial is then derived...
    9 KB (1,198 words) - 02:21, 14 December 2024
  • The virial expansion is a model of thermodynamic equations of state. It expresses the pressure P of a gas in local equilibrium as a power series of the...
    12 KB (2,104 words) - 08:35, 18 March 2025
  • Thumbnail for Dark matter
    working at Caltech and made a similar inference. Zwicky applied the virial theorem to the Coma Cluster and obtained evidence of unseen mass he called dunkle...
    138 KB (15,043 words) - 23:06, 22 May 2025
  • Thumbnail for Stellar dynamics
    1921 paper applying the virial theorem to spherical star clusters and Fritz Zwicky's 1933 paper applying the virial theorem specifically to the Coma...
    79 KB (17,631 words) - 22:53, 15 December 2024
  • Pokhozhaev's identity (category Theorems in mathematical physics)
    by S.I. Pokhozhaev and is similar to the virial theorem. This relation is also known as G.H. Derrick's theorem. Similar identities can be derived for other...
    4 KB (804 words) - 02:59, 30 November 2024
  • Thumbnail for Thermodynamics
    1865 he introduced the concept of entropy. In 1870 he introduced the virial theorem, which applied to heat. The initial application of thermodynamics to...
    48 KB (5,843 words) - 03:10, 28 March 2025
  • Thumbnail for Bohr model
    energy of the electron. This is also true for noncircular orbits by the virial theorem. A quantum rule The angular momentum L = mevr is an integer multiple...
    75 KB (10,383 words) - 08:43, 12 May 2025
  • (physics) Virial theorem (classical mechanics) Betti's theorem (physics) Castigliano's first and second theorems (structural analysis) Clapeyron's theorem (physics)...
    78 KB (6,293 words) - 12:16, 2 May 2025
  • Thumbnail for Rudolf Clausius
    1865 he introduced the concept of entropy. In 1870 he introduced the virial theorem, which applied to heat. Clausius was born in Köslin (now Koszalin, Poland)...
    17 KB (1,683 words) - 19:35, 1 May 2025
  • Unlike most other books on mechanics, this one elaborates upon the virial theorem. The discussion of canonical and contact transformations, the Hamilton-Jacobi...
    14 KB (1,676 words) - 18:52, 3 October 2024
  • Thumbnail for Heat capacity
    heat capacity can result in a negative temperature. According to the virial theorem, for a self-gravitating body like a star or an interstellar gas cloud...
    20 KB (2,906 words) - 18:44, 29 April 2025
  • Thumbnail for Osmosis
    counteracting such that the chemical potential remains unchanged. The virial theorem demonstrates that attraction between the molecules (water and solute)...
    22 KB (2,765 words) - 22:21, 14 April 2025
  • Thumbnail for Gravitational collapse
    internal gravitational force. Mathematically this is expressed using the virial theorem, which states that to maintain equilibrium, the gravitational potential...
    13 KB (1,603 words) - 19:14, 15 March 2025
  • energy, the satisfaction of an electronic virial theorem analogous to the molecular electronic virial theorem, and some interesting variational properties...
    12 KB (1,525 words) - 22:17, 28 March 2025
  • structural features of liquid. It underlies the modern astrophysics and virial theorem. In solid state physics, statistical physics aids the study of liquid...
    43 KB (5,068 words) - 22:07, 26 April 2025
  • Thumbnail for Fritz Zwicky
    and observational astronomy. In 1933, Zwicky was the first to use the virial theorem to postulate the existence of unseen dark matter, describing it as "dunkle...
    42 KB (4,522 words) - 21:54, 22 May 2025
  • (sometimes spelled as Pohozaev's identity). This result is similar to the virial theorem. We may write the equation ∂ t 2 u = ∇ 2 u − 1 2 f ′ ( u ) {\displaystyle...
    7 KB (1,414 words) - 20:52, 16 February 2023
  • Thumbnail for Gravitational binding energy
    can be calculated numerically as U = 2.49×1032 J. According to the virial theorem, the gravitational binding energy of a star is about two times its internal...
    10 KB (1,512 words) - 14:46, 17 May 2025
  • Thumbnail for Horizontal branch
    in the same way that main sequence stars increase luminosity as the virial theorem shows. When their core helium is eventually exhausted, they progress...
    15 KB (1,722 words) - 10:16, 3 January 2025
  • Thumbnail for Elliptic orbit
    specific orbital energy is independent of the eccentricity. Using the virial theorem to find: the time-average of the specific potential energy is equal...
    19 KB (2,744 words) - 16:48, 20 March 2025
  • In astrophysics, the Chandrasekhar virial equations are a hierarchy of moment equations of the Euler equations, developed by the Indian American astrophysicist...
    8 KB (2,112 words) - 20:23, 6 October 2020
  • Thumbnail for Circular orbit
    {2}}} ϵ = − μ 2 r {\displaystyle \epsilon =-{\mu \over {2r}}} Thus the virial theorem: 72  applies even without taking a time-average:[citation needed] the...
    8 KB (1,286 words) - 11:32, 5 December 2024
  • Thumbnail for Kelvin–Helmholtz mechanism
    2 5 R . {\displaystyle U=-{\frac {3GM^{2}}{5R}}.} According to the Virial Theorem, the total energy for gravitationally bound systems in equilibrium is...
    7 KB (1,185 words) - 13:56, 1 May 2025
  • total potential energy, ⟨T⟩ = ⁠1/2⁠⟨U⟩, which is an example of the virial theorem for gravitational systems. If M is the total mass and R a characteristic...
    67 KB (8,730 words) - 00:02, 11 April 2025
  • Thumbnail for Redshift-space distortions
    effect are associated with the gravity of the cluster by means of the virial theorem; they change the observed redshifts of the galaxies in the cluster....
    6 KB (778 words) - 10:13, 9 January 2025
  • is proportional to some power n of the inter-particle distance r" (Virial theorem) "the inter-particle distance is much larger than the thermal de Broglie...
    5 KB (951 words) - 16:23, 1 May 2024