Statistical Mechanics: Can't Find Source of Equation

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SUMMARY

The discussion centers on the derivation of three bullet points related to the equation E(T=0)=∫₀^{ε_f} g(ε) dε found on page 59 of the document linked. The first two bullet points are derived from the expression for ε_f as discussed on page 58, which depends on mass (m) and the particle density (N/V). The third bullet point is established through the relationship between the Fermi temperature (T_f) and the Fermi energy (ε_f), defined by T_f = ε_f / k_B, where k_B is the Boltzmann constant.

PREREQUISITES
  • Understanding of Fermi energy and its significance in statistical mechanics
  • Familiarity with the Boltzmann constant (k_B) and its role in thermodynamics
  • Basic knowledge of integrals and their application in physics
  • Concept of particle density (N/V) in statistical mechanics
NEXT STEPS
  • Study the derivation of Fermi energy in the context of quantum mechanics
  • Learn about the implications of Fermi temperature on electron behavior in solids
  • Explore the relationship between temperature and energy in statistical mechanics
  • Investigate the role of the Boltzmann constant in thermodynamic equations
USEFUL FOR

Students and researchers in physics, particularly those focusing on statistical mechanics, quantum mechanics, and thermodynamics, will benefit from this discussion.

latentcorpse
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http://www.ph.ed.ac.uk/~pmonthou/Statistical-Mechanics/documents/SM15.pdf

At the top of page 59 in the above link, I can't see where the first three bullet points that follow

E(T=0)=\int_0^{\epsilon_f} g(\epsilon) d \epsilon

come from?

can anyone help?
 
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