electron gas वाक्य
उदाहरण वाक्य
मोबाइल
- One model that estimates the properties of an electron gas at absolute zero in metals is the Fermi gas.
- As a result, band bending is moving upward and the two-dimensional electrons gas does not appear.
- This expression can be derived from the chemical potential for an electron gas and from Poisson's equation.
- But, at the quantum Hall transition, the electron gas delocalizes as can be observed in the laboratory.
- Electron gas is inviscid, so its velocity does not depend on the distance to the walls of the conductor.
- Instead of energy transfer, some models consider the electronic stopping power as momentum transfer between electron gas and energetic ion.
- This expression is based on the homogeneous electron gas and, thus, is not very accurate for most physical systems.
- If the temperature is extremely low, the behavior of the electrons comes close to the quantum mechanical model of a free electron gas.
- Some of these are inconsistent with the uniform electron gas approximation, however, they must reduce to LDA in the electron gas limit.
- Some of these are inconsistent with the uniform electron gas approximation, however, they must reduce to LDA in the electron gas limit.
- An early research investigation to explore a two-dimensional electron gas with respect to cyclotron resonance behavior and the de Haas van Alphen effect.
- These materials can be modeled reasonably well by the free electron gas theory assuming a parabolic conduction band and doping levels above the Mott Criterion.
- :: I don't think a gas has to be composed of atoms-see photon gas, Bose gas, electron gas.
- For metals, the electron gas's Fermi temperature is generally many thousands of kelvins, so in human applications they can be considered degenerate.
- A measurement on a free electron gas for example would give a positive intensity for momenta p and zero intensity for p > p _ F.
- Thus at high densities, when r _ s, the effect of the Coulomb interaction is weak and the free electron gas is a good approximation.
- When a positive voltage greater than the threshold voltage is applied to the gate, electrons accumulate at the interface and form a two-dimensional electron gas.
- Exotic examples of degenerate matter include conduction electrons alone as a degenerate, free electron gas while the majority of the electrons are regarded as occupying bound quantum states.
- As in the Drude model, valence electrons are assumed to be completely detached from their ions ( forming an "'electron gas "').
- The resulting dielectric function, also called the " Lindhard dielectric function ", correctly predicts a number of properties of the electron gas, including plasmons.
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