Lorentz factor

التعريفات والمعاني

== English == === Etymology === From its appearance in Lorentzian electrodynamics, named after Dutch physicist Hendrik Lorentz. === Noun === Lorentz factor (uncountable) (relativity) a factor arising in special relativity, to calculate the degree of time dilation, length contraction and relativistic mass of an object moving relative to an observer, defined as ( 1 − v 2 / c 2 ) − 0.5 {\displaystyle (1-v^{2}/c^{2})^{-0.5}} , where v and c are relative velocity and the speed of light, respectively ==== Translations ==== ==== See also ==== speed parameter