Jump to content

Search results

View (previous 20 | ) (20 | 50 | 100 | 250 | 500)
  • especially for the high-temperature limit, these oscillations are in fact phonons, or collective modes involving many atoms. Albert Einstein was aware that getting...
    11 KB (1,962 words) - 05:07, 5 February 2024
  • Thumbnail for Bose–Einstein condensate
    Bose–Einstein condensate (BEC) is a state of matter that is typically formed when a gas of bosons at very low densities is cooled to temperatures very...
    84 KB (10,458 words) - 13:49, 8 October 2024
  • Thumbnail for Einstein refrigerator
    The Einstein–Szilard or Einstein refrigerator is an absorption refrigerator which has no moving parts, operates at constant pressure, and requires only...
    8 KB (770 words) - 20:53, 17 May 2024
  • Thumbnail for Absolute zero
    achieve temperatures close to absolute zero, where matter exhibits quantum effects such as superconductivity, superfluidity, and Bose–Einstein condensation...
    40 KB (4,636 words) - 04:14, 8 October 2024
  • Einstein relation is a previously unexpected[clarification needed] connection revealed independently by William Sutherland in 1904, Albert Einstein in...
    14 KB (1,938 words) - 06:03, 12 January 2024
  • Thumbnail for Debye model
    Debye T 3 law. Similarly to the Einstein photoelectron model, it recovers the Dulong–Petit law at high temperatures. Due to simplifying assumptions,...
    47 KB (9,148 words) - 14:58, 4 October 2024
  • Thumbnail for Bose–Einstein statistics
    Both Fermi–Dirac and Bose–Einstein become Maxwell–Boltzmann statistics at high temperature or at low concentration. Bose–Einstein statistics was introduced...
    38 KB (6,024 words) - 12:47, 4 October 2024
  • Thumbnail for Albert Einstein
    Albert Einstein (/ˈaɪnstaɪn/ EYEN-styne; German: [ˈalbɛɐt ˈʔaɪnʃtaɪn] ; 14 March 1879 – 18 April 1955) was a German-born theoretical physicist who is widely...
    223 KB (22,459 words) - 16:15, 6 October 2024
  • Thumbnail for Temperature
    the Bose–Einstein law. Measurement of the spectrum of noise-power produced by an electrical resistor can also provide accurate temperature measurement...
    104 KB (12,956 words) - 22:35, 8 October 2024
  • Thumbnail for Mass–energy equivalence
    units of measurement. The principle is described by the physicist Albert Einstein's formula:  E = m c 2 {\displaystyle E=mc^{2}} . In a reference frame where...
    93 KB (12,022 words) - 00:28, 17 September 2024
  • Thumbnail for Specific heat capacity
    Low temperature approximations for both gases and solids at temperatures less than their characteristic Einstein temperatures or Debye temperatures can...
    53 KB (8,163 words) - 12:26, 4 October 2024
  • Solutions of the Einstein field equations are metrics of spacetimes that result from solving the Einstein field equations (EFE) of general relativity....
    8 KB (1,286 words) - 10:07, 22 May 2024
  • Thumbnail for Orders of magnitude (temperature)
    ISSN 0031-9007. PMID 34533345. S2CID 237396804. "Bose-Einstein condensates break temperature record". Archived from the original on 2012-04-02. Retrieved...
    46 KB (1,239 words) - 05:30, 27 September 2024
  • Thumbnail for State of matter
    lower temperatures by the rare isotope helium-3 and by lithium-6. In 1924, Albert Einstein and Satyendra Nath Bose predicted the "Bose–Einstein condensate"...
    35 KB (4,382 words) - 19:57, 23 August 2024
  • Thumbnail for Planck's law
    absorptivity of material X at thermodynamic equilibrium at temperature T (justified by a discovery of Einstein, as indicated below), one further has the equality...
    141 KB (18,058 words) - 06:11, 9 October 2024
  • A hallmark of Albert Einstein's career was his use of visualized thought experiments (German: Gedankenexperiment) as a fundamental tool for understanding...
    104 KB (13,885 words) - 16:45, 16 September 2024
  • Thumbnail for Lowest temperature recorded on Earth
    superfluids and Bose–Einstein condensates, which would be disrupted by thermal motion. Absolute zero Dilution refrigerator Highest temperature recorded on Earth...
    10 KB (1,160 words) - 13:58, 8 October 2024
  • Thumbnail for Einstein coefficients
    the Einstein coefficients are quantities describing the probability of absorption or emission of a photon by an atom or molecule. The Einstein A coefficients...
    32 KB (4,646 words) - 01:25, 27 April 2024
  • therefore setting G = ⁠1/8π⁠). This would eliminate 8πG from the Einstein field equations, Einstein–Hilbert action, and the Friedmann equations, for gravitation...
    54 KB (6,093 words) - 17:32, 24 September 2024
  • critical temperature: T c < 32 π 3 ℏ 6 V 2 u 0 P 2 {\displaystyle T_{c}<32\pi ^{3}\hbar ^{6}V^{2}u_{0}P^{2}} . The particles obey the Bose–Einstein distribution...
    20 KB (2,439 words) - 07:18, 21 May 2024
View (previous 20 | ) (20 | 50 | 100 | 250 | 500)