A Fermi gas is an idealized model, an ensemble of many non-interacting fermions. Fermions are particles that obey Fermi–Dirac statistics, like electrons...
33 KB (5,618 words) - 12:04, 12 November 2024
Fermi–Dirac statistics is a type of quantum statistics that applies to the physics of a system consisting of many non-interacting, identical particles...
30 KB (4,817 words) - 22:20, 10 October 2024
the Fermi surfaces of materials is called fermiology. Consider a spin-less ideal Fermi gas of N {\displaystyle N} particles. According to Fermi–Dirac...
13 KB (1,687 words) - 21:41, 22 May 2024
Degenerate matter (redirect from Degenerate Fermi gas)
term also applies to metals in the Fermi gas approximation. Degenerate matter is usually modelled as an ideal Fermi gas, an ensemble of non-interacting fermions...
24 KB (3,165 words) - 20:32, 27 October 2024
Enrico Fermi ForMemRS (Italian: [enˈriːko ˈfermi]; 29 September 1901 – 28 November 1954) was an Italian and naturalized American physicist, renowned for...
98 KB (11,097 words) - 10:37, 12 November 2024
gas:[citation needed] the classical or Maxwell–Boltzmann ideal gas, the ideal quantum Bose gas, composed of bosons, and the ideal quantum Fermi gas,...
24 KB (3,852 words) - 13:29, 20 September 2024
Landau levels move to higher energy. As each energy level passes through the Fermi energy, it depopulates as the electrons become free to flow as current....
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the classical ideal gas as well as the various quantum ideal gases such as the ideal massive Fermi gas, the ideal massive Bose gas as well as black body...
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Free electron model (category CS1 German-language sources (de))
by Fermi–Dirac statistics (see also Fermi gas). Main predictions of the free-electron model are derived by the Sommerfeld expansion of the Fermi–Dirac...
24 KB (3,412 words) - 22:51, 3 November 2024
Bose–Einstein condensate (redirect from Quantentheorie des einatomigen idealen Gases)
form degenerate Fermi gases, also called "Fermi condensates". Cooling fermions to extremely low temperatures has created degenerate gases, subject to the...
84 KB (10,464 words) - 21:39, 22 October 2024
Fermi energy Fermi's four factor formula Fermi gas Fermi's interaction, an explanation of the beta decay Fermi level Fermi liquid theory Quasi Fermi level...
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by viewing them as a gas of nonrelativistic, non-interacting electrons and nuclei that obey Fermi–Dirac statistics. This Fermi gas model was then used...
34 KB (3,966 words) - 18:37, 18 September 2024
Fermionic condensate (redirect from Fermi condensate)
A fermionic condensate (or Fermi–Dirac condensate) is a superfluid phase formed by fermionic particles at low temperatures. It is closely related to the...
9 KB (1,097 words) - 16:05, 22 August 2024
will dominate and the gas must be treated as a Fermi gas or a Bose gas, depending on the nature of the gas particles. The critical temperature is the transition...
8 KB (1,095 words) - 08:25, 14 February 2024
Galactic Center (redirect from Fermi bubbles)
gamma- and X-rays, were detected astride the Milky Way galaxy's core. Termed Fermi or eRosita bubbles, they extend up to about 25,000 light years above and...
48 KB (4,922 words) - 23:59, 17 September 2024
oscillations describes a series of related experimental techniques used to map the Fermi surface of a metal in the presence of a strong magnetic field. These techniques...
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used to determine the Fermi surface of a material. Other quantities also oscillate, such as the electrical resistivity (Shubnikov–de Haas effect), specific...
10 KB (1,208 words) - 18:40, 25 March 2024
superconductivity, and the W and Z bosons. Fermions take their name from the Fermi–Dirac statistical distribution, which they obey, and bosons take theirs...
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such as carbon nanotubes). Such a model is necessary as the commonly used Fermi liquid model breaks down for one dimension. The Tomonaga–Luttinger's liquid...
10 KB (1,288 words) - 23:18, 27 May 2024
model that estimates the properties of an electron gas at absolute zero in metals is the Fermi gas. The electrons, being fermions, must be in different...
40 KB (4,636 words) - 04:14, 8 October 2024
Thomas–Fermi equation for the neutral atom is a second order non-linear ordinary differential equation, named after Llewellyn Thomas and Enrico Fermi, which...
8 KB (1,580 words) - 17:05, 29 October 2023
The kinetic theory of gases is a simple classical model of the thermodynamic behavior of gases. Its introduction allowed many principal concepts of thermodynamics...
61 KB (8,788 words) - 21:59, 10 November 2024
Discovery of the neutron (category CS1 German-language sources (de))
Fermi suspected that the protons of the wood were slowing the neutrons and so increasing the chance for the neutron to interact with nuclei. Fermi therefore...
76 KB (8,779 words) - 13:57, 11 November 2024
level up to which the electrons have filled is called the Fermi level. The position of the Fermi level with respect to the band structure is very important...
75 KB (7,984 words) - 10:08, 31 October 2024
neutron matter in neutron stars and free electron gases in metals (examples of degenerate matter and a Fermi gas), have a 3-dimensional Euclidean topology. Less...
36 KB (5,578 words) - 07:50, 15 October 2024
including atomic nuclei, quantum liquids and ultra-cold atomic Bose and Fermi gases. He has developed in a systematic way the sum rule approach to the collective...
7 KB (753 words) - 18:52, 4 September 2024
Einstein relation (kinetic theory) (category CS1 German-language sources (de))
electron temperature or ion temperature in plasma (V). For the case of Fermi gas or a Fermi liquid, relevant for the electron mobility in normal metals like...
14 KB (1,938 words) - 06:03, 12 January 2024
since a state is partially filled only if its energy is near the Fermi level (see Fermi–Dirac statistics). High conductivity in material comes from it having...
46 KB (5,424 words) - 13:35, 6 November 2024
attractive force in his 1956 paper, "Bound Electron Pairs in a Degenerate Fermi Gas". In 1957 Bardeen and Cooper assembled these ingredients and constructed...
21 KB (2,814 words) - 09:40, 1 November 2024
Electronic band structure (section Names of bands near the Fermi level (conduction band, valence band))
value. The isosurface of states with energy equal to the Fermi level is known as the Fermi surface. Energy band gaps can be classified using the wavevectors...
37 KB (4,835 words) - 14:38, 19 August 2024