energy density
131Charge carrier density — The charge carrier density denotes the number of charge carriers per volume. It is measured in m−3. As any density it can depend on position. It should not be confused with the charge density, which is the number of charges per volume at a given… …
132Fusion energy gain factor — The fusion energy gain factor, usually expressed with the symbol Q, is the ratio of fusion power produced in a nuclear fusion reactor to the power required to maintain the plasma in steady state.In a fusion power reactor a plasma must be… …
