Abstract
An approximation of the equation of state of matter in nonrelativistic and relativistic regions is considered. The cold component is determined in the limit v → 0 by the properties of an ideal homogeneous degenerate relativistic electron gas, and under normal conditions, by four experimental parameters: the specific volume, the binding energy, the bulk compression modulus, and the parameter –(∂lnB/∂lnv). Results are confirmed and illustrated by the experimental equation of state for iron in the region up to p ≈ 3 Mbar. A comparison of the model equation of state and the classical equation of state of an ideal homogeneous degenerate electron gas is given.
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