nLab rest energy

Idea

In special relativity, the energy of a particle at rest is

$$E_0 \;=\; m c^2$$

where

• $m$ is the mass of the particle;

• $c$ is the speed of light.

Related concepts

• Compton wavelength

• Schwinger limit

• Planck mass

References

See also

• WIkipedia, Rest energy