The influence of the mass in bosonic and fermionic Casimir effect

We compare the Casimir energy for bosonic and fermionic fields with several boundary conditions. Particularly, we analyse how the influence of the mass in the Casimir energy varies as we change the boundary condition. For the case of a massive bosonic field subjected to mixed boundary conditions (Dirichlet-Neumann), which is the only calculation we show explicitly in this work, we obtain our physical results with the aid of the generalized zeta function regularization prescription. For convenience, our results are presented graphically. (author)