Analytic approximations for the Fermi energy of an ideal Fermi gas

1977 ◽  
Vol 31 (5) ◽  
pp. 354-356 ◽  
Author(s):  
W. B. Joyce ◽  
R. W. Dixon

Author(s):  
Robert H. Swendsen

The main application of Fermi–Dirac Statistics is to calculate the properties of electrons. This chapter explains how the properties of fermions account for the behavior of metals. The Fermi energy is introduced and shown to correspond to a very high temperature, so that most properties can be obtained from low-temperature expansions. Both discrete and continuous densities of states are discussed. The Sommerfeld expansion is derived explicitly. The low-temperature specific heat and compressibility are derived. The most important fermions are electrons, and understanding the properties of electrons is central to understanding the properties of all materials. In this chapter we will study the ideal Fermi gas, which turns out to explain many of the properties of electrons in metals.





1978 ◽  
Vol 32 (10) ◽  
pp. 680-681 ◽  
Author(s):  
W. B. Joyce




1995 ◽  
Vol 5 (11) ◽  
pp. 1481-1486
Author(s):  
E. Batkilin


1986 ◽  
Vol 47 (C4) ◽  
pp. C4-77-C4-82
Author(s):  
J. N. DE ◽  
S. K. SAMADDAR


2015 ◽  
Vol 11 (3) ◽  
pp. 3224-3228
Author(s):  
Tarek El-Ashram

In this paper we derived a new condition of formation and stability of all crystalline systems and we checked its validity andit is found to be in a good agreement with experimental data. This condition is derived directly from the quantum conditionson the free electron Fermi gas inside the crystal. The new condition relates both the volume of Fermi sphere VF andvolume of Brillouin zone VB by the valence electron concentration VEC as ;𝑽𝑭𝑽𝑩= 𝒏𝑽𝑬𝑪𝟐for all crystalline systems (wheren is the number of atoms per lattice point).





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