Introduction to Special Relativity

  • Carlo Maria Becchi
  • Massimo D’Elia
Part of the UNITEXT book series (UNITEXT)


Maxwell equations in vacuum space describe the propagation of electromagnetic signals with speed \( c \equiv 1/\sqrt {\mu _0 \in _{0 \cdot } } \) . Since, according to Galilean relativity principle, velocities must be added like vectors when going from one inertial reference frame to another, the vector corresponding to the velocity of a luminous signal in one inertial reference frame O can be added to the velocity of O with respect to a new inertial frame O′ to obtain the velocity of the luminous signal as measured in O′. For a generic value of the relative velocity, the speed of the signal in O′ will be different, implying that, if Maxwell equations are valid in O, they are not valid in a generic inertial reference frame O′.


Reference Frame Invariant Mass Special Relativity Rest Frame Lorentz Transformation 
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Copyright information

© Springer-Verlag Italia 2007

Authors and Affiliations

  • Carlo Maria Becchi
  • Massimo D’Elia

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