density of states

https://doi.org/10.1351/goldbook.D01593
  1. Number of states within an energy interval divided by volume and that energy interval. Symbol: \(N_{E}\).
  2. Number of states within an energy interval divided by that energy interval. Symbol: \(\rho(E)\).
Source:
Green Book, 2nd ed., p. 37, 39 [Terms] [Book]
See also:
PAC, 1996, 68, 149. (A glossary of terms used in chemical kinetics, including reaction dynamics (IUPAC Recommendations 1996)) on page 162 [Terms] [Paper]