Birch–Murnaghan equation of state
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Not to be confused with Murnaghan equation of state.
The Birch–Murnaghan isothermal equation of state, published in 1947 by Albert Francis Birch of Harvard,[1] is a relationship between the volume of a body and the pressure to which it is subjected. Birch proposed this equation based on the work of Francis Dominic Murnaghan of Johns Hopkins University published in 1944,[2] so that the equation is named in honor of both scientists.