Recent content by PhyMathNovice

Hi, Just like what the Title tells about. In the Statistical Physics, keeping the desity unchanged while taking the limit of Number(or Volume)=infinity. Does the average energy equal to the most probable energy ?

Hi, Recently I was confronted with some difficulties in understanding the perturbative expansion of S matrix . The conventional treatment is expansing it in the interaction picture,which have to first transform Lagrangian to Hamiltonian and then replace the original field operator by...