The discussion of four-vector in relativity continues but this time the focus is on the energy-momentum of a particle. The invariance of the energy-momentum four-vector is due to the fact that rest mass of a particle is invariant under coordinate transformations. Reading assignment: [[http://oyc.yale.edu/sites/default/files/relativity notes 2006 8.pdf|Relativity Notes: Shankar, 2006 [PDF]]] Resources: [[http://oyc.yale.edu/sites/default/files/problem set 7 8.pdf|Problem Set 7 [PDF]]] [[http://oyc.yale.edu/sites/default/files/problem set 7 solutions 6.pdf|Problem Set 7 Solutions [PDF]]] [[http://oyc.yale.edu/sites/default/files/relativity crib sheet 2006 6.pdf|Relativity Notes: Crib Sheet [PDF]]] [[http://oyc.yale.edu/sites/default/files/notes relativity 6.pdf|Relativity Notes [PDF]]]

Ramamurti Shankar @VideoLectures.net