In thermodynamics and solid-state physics, the Debye model is a method developed by Peter Debye in 1912 to estimate phonon contribution to the specific...
47 KB (9,142 words) - 23:19, 26 November 2024
Peter Joseph William Debye ForMemRS (/dɪˈbaɪ/ dib-EYE; born Petrus Josephus Wilhelmus Debije, Dutch: [ˈpeːtrʏz dəˈbɛiə]; March 24, 1884 – November 2,...
38 KB (4,462 words) - 13:46, 14 December 2024
Peter Debye, who came across this function (with n = 3) in 1912 when he analytically computed the heat capacity of what is now called the Debye model. The...
7 KB (1,276 words) - 15:01, 23 June 2024
The Debye–Hückel theory was proposed by Peter Debye and Erich Hückel as a theoretical explanation for departures from ideality in solutions of electrolytes...
42 KB (7,541 words) - 23:33, 11 August 2024
In plasmas and electrolytes, the Debye length λ D {\displaystyle \lambda _{\rm {D}}} (Debye radius or Debye–Hückel screening length), is a measure of a...
20 KB (2,811 words) - 00:17, 24 November 2024
theory of solids were given by the following: The Einstein solid model and the Debye model, suggesting that the quantum behaviour of exchanging energy in...
40 KB (6,176 words) - 20:32, 18 December 2024
Einstein solid (redirect from Einstein model)
same frequency. The independence assumption is relaxed in the Debye model. While the model provides qualitative agreement with experimental data, especially...
11 KB (1,962 words) - 15:19, 2 November 2024
Two famous quantum corrections include the Einstein solid model and the more refined Debye model. With the addition of the latter, the volumetric heat capacity...
24 KB (3,415 words) - 11:31, 20 December 2024
the heat capacity at low temperatures in diamond. Peter Debye followed in 1912 with a new model based on Max Planck's photon gas, where the vibrations...
10 KB (1,510 words) - 14:19, 20 October 2024
relaxation is an empirical modification of the Debye relaxation model in electromagnetism. Unlike the Debye model, the Havriliak–Negami relaxation accounts...
8 KB (1,186 words) - 16:34, 12 November 2023
shapes. When α = 0 {\displaystyle \alpha =0} , the Cole-Cole model reduces to the Debye model. When α > 0 {\displaystyle \alpha >0} , the relaxation is stretched...
5 KB (678 words) - 09:24, 12 November 2023
Electric-field screening (redirect from Debye shielding)
Drude model, the free electron model and the nearly free electron model. The first theoretical treatment of electrostatic screening, due to Peter Debye and...
15 KB (2,262 words) - 16:05, 7 July 2024
temperatures, so transitions to more stable states do not occur. Using the Debye model, the specific heat and entropy of a pure crystal are proportional to...
40 KB (4,636 words) - 04:14, 8 October 2024
of thermodynamics. One of the strengths of the Debye model is that (unlike the preceding Einstein model) it predicts the proper mathematical form of the...
57 KB (8,692 words) - 16:25, 22 December 2024
polar liquids, as developed by Peter Debye and corrected by Lars Onsager to incorporate reaction field effects. The model can be combined with quantum chemical...
1 KB (103 words) - 10:39, 18 December 2024
Rayleigh–Gans approximation (redirect from Rayleigh–Gans–Debye scattering)
Rayleigh–Gans approximation, also known as Rayleigh–Gans–Debye approximation and Rayleigh–Gans–Born approximation, is an approximate solution to light...
9 KB (1,210 words) - 08:36, 15 July 2024
contained in these high-frequency modes, a simple modification of the Debye model is sufficient to yield a good approximation to experimental heat capacities...
50 KB (5,696 words) - 21:09, 1 November 2024
Debye–Scherrer method Debye–Sears method Debye–Waller factor Debye force Debye frequency, see also Debye model Debye function, see also Debye model Debye...
2 KB (136 words) - 18:45, 21 March 2022
The Ising model (or Lenz–Ising model), named after the physicists Ernst Ising and Wilhelm Lenz, is a mathematical model of ferromagnetism in statistical...
125 KB (20,088 words) - 01:35, 22 December 2024
any mathematical model that combines space and time into a single continuum Continuum theory of specific heats of solids, see Debye model Triune continuum...
6 KB (707 words) - 16:47, 1 December 2024
adequate method of capturing experimental behaviors. The Debye model and the Lorentz model use a first-order and second-order (respectively) lumped system...
34 KB (4,420 words) - 00:08, 5 December 2024
is the temperature derivatives of phonon energy for the Debye model (linear dispersion model), is c v , p = d E p d T | v = 9 k B m ( T T D ) 3 n ∫ 0...
67 KB (9,679 words) - 21:11, 23 July 2024
physics, for instance, when evaluating the two-dimensional case of the Debye model and the Stefan–Boltzmann law. The reciprocal of ζ(3) (0.8319073725807...
24 KB (3,010 words) - 18:27, 19 November 2024
Dielectric (redirect from Debye relaxation)
}\omega ^{2}\tau ^{2}}}} This relaxation model was introduced by and named after the physicist Peter Debye (1913). It is characteristic for dynamic polarisation...
37 KB (4,758 words) - 12:27, 4 October 2024
Nobel laureate Peter Debye received a degree in electrical engineering from RWTH Aachen and is known for the Debye model and Debye relaxation. Another...
48 KB (3,581 words) - 22:20, 30 September 2024
{\displaystyle j^{th}} emitter. In the Debye model, the mean squared displacement is calculated in terms of the Debye temperature, Θ D {\displaystyle \Theta...
42 KB (6,196 words) - 17:47, 7 October 2024
1907 brought him to the attention of Walther Nernst. Einstein, followed by Debye, applied quantum principles to the motion of atoms, explaining the specific...
32 KB (4,836 words) - 02:22, 27 November 2024
entropy can in fact be accurately estimated. At low temperatures, the Debye model leads to the result that the atomic heat capacity Cv for solids should...
26 KB (3,579 words) - 20:01, 7 July 2024
material typically has c ∝ T 3 {\displaystyle c\propto T^{3}} , as in the Debye model. This was explained by the two-level system hypothesis, which states...
58 KB (6,792 words) - 08:56, 30 September 2024
Double layer (surface science) (redirect from Debye screening length)
opposing "thick DL" model assumes that the Debye length is larger than particle radius: κ a < 1 {\displaystyle \kappa a<1} This model can be useful for...
29 KB (3,382 words) - 13:53, 20 October 2024