Fermi liquid
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Fermi liquid
[′fer·mē ‚lik·wəd] (cryogenics)
A liquid of particles which have Fermi-Dirac statistics; an example is the liquid phase of helium-3, in which the atoms belong to the isotope with mass number 3.
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These materials have played a key role in the development of concepts central to condensed matter physics: Bose-Einstein condensation; macroscopic quantum physics; topological phase transitions; the Landau Fermi liquid theory of electrons in metals; unconventional superconductivity; topological quantum matter.
The transferred momentum k enters into the medium response function through the quasiparticle energy, which for k [much less than] [p.sub.F] in a degenerate Fermi liquid takes the form [[xi].sub.p+k] [equivalent] [v.sub.F] (p-[p.sub.F])+k[v.sub.F].
Landau, "The theory of a Fermi liquid," Soviet Physics.
The success of the explicative scope of the ideal Fermi gas model relies on Landau's Fermi liquid theory where fermions interacting repulsively through a short range forces can be described in some degree as an IFG.
A proposal regarding the emergence of a hidden Fermi liquid [157] is also worth mentioning.
Neto, "Fermi liquid theory of a Fermi ring," Physical Review B, vol.
These "charged fluid particles" reproduce charged spinless quasiparticles which determine the superfluidity component of Bose or Fermi liquid by action of the static magnetic field.
His topics include the one-particle relativistic distribution function, curved space-time and cosmology, the density operator, applications to nuclear matter, and the relativistic Fermi liquid.
Following the expert commentaries, six chapters cover fluctuation and gauge effect on the behavior of superconductors, the exciton enhancement mechanism theory, spontaneously broken symmetry and inhomogeneous superconducting states in ferromagnet/superconductor nanostructures, superconductivity in chemical vapor-deposition diamond thick films, and a model of super conductivity in Fermi liquid. B&w photos and color images are included.
At least one electron from each atom moves about independently, collectively forming a so-called Fermi liquid. On this basis, the scientists can make predictions about the metals' characteristics and behavior.
The aim of the project is to understand the continuous phase transition between a Fermi liquid and a Mott insulator observed experimentally by John Saunders at Royal Holloway in a system of He-3 atoms deposited on a triangular lattice of He-4 atoms.
The breakdown of the Fermi liquid (FL) picture has drawn substantial theoretical interest primarily due to the detection of the NFL behavior in normal state of superconductors [10-13] and in the systems of strongly correlated electrons [14-16].
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