3 ms·
what does virtual mean in this case? is this word mean something in quantum physics?
by dspoka 9y ago
what does virtual mean in this case? is this word mean something in quantum physics?
- FiatLuxDave 9y agoVirtual means that the particle does not obey the Einstein energy-momentum equation: E^2 = p^2c^2 + m^2c^4 . You might recognize the shorter form, where the particle has zero momentum, as E=mc^2. More info here: https://en.wikipedia.org/wiki/On_shell_and_off_shell https://en.wikipedia.org/wiki/On_shell_and_off_shell