A Fermi gas is an idealized model, an ensemble of many non-interacting fermions. Fermions are particles that obey Fermi–Dirac statistics, like electrons...
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Fermi–Dirac statistics is a type of quantum statistics that applies to the physics of a system consisting of many non-interacting, identical particles...
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the Fermi surfaces of materials is called fermiology. Consider a spin-less ideal Fermi gas of N {\displaystyle N} particles. According to Fermi–Dirac...
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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) - 22:19, 21 September 2024
Enrico Fermi ForMemRS (Italian: [enˈriːko ˈfermi]; 29 September 1901 – 28 November 1954) was an Italian and naturalized American physicist, renowned for...
98 KB (11,070 words) - 06:38, 8 October 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,...
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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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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...
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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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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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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 (10,458 words) - 13:49, 8 October 2024
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...
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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...
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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
Free electron model (category CS1 German-language sources (de))
Sommerfeld, who combined the classical Drude model with quantum mechanical Fermi–Dirac statistics and hence it is also known as the Drude–Sommerfeld model...
24 KB (3,404 words) - 13:09, 4 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
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...
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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
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 (7,983 words) - 19:08, 30 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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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 (8,780 words) - 18:02, 15 September 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 (5,390 words) - 02:11, 9 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) - 08:28, 18 March 2024
The kinetic theory of gases is a simple classical model of the thermodynamic behavior of gases. It treats a gas as composed of numerous particles, too...
51 KB (7,764 words) - 17:42, 22 September 2024
Chemistry: A Volatile History (section Enrico Fermi claims to have made elements heavier than uranium)
of penetrating the nucleus of a uranium atom. So Fermi set about firing neutrons at uranium. Fermi thought that this, coupled with his knowledge of beta...
46 KB (6,577 words) - 12:47, 26 May 2024
the Fermi level at the surface. This can be seen on a band diagram. The Fermi level defines the type of semiconductor in discussion. If the Fermi level...
99 KB (11,949 words) - 06:30, 11 October 2024
Condensed matter physics (section Cold atomic gases)
the Fermi–Dirac statistics. Using this idea, he developed the theory of paramagnetism in 1926. Shortly after, Sommerfeld incorporated the Fermi–Dirac...
61 KB (6,691 words) - 11:22, 7 September 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