Latorre, José IgnacioSoto Riera, Joan2010-05-062010-05-0619860556-2821https://hdl.handle.net/2445/12529The Gross-Neveu model is solved within a simple Gaussian approach. The ground state is correctly reproduced. We find that two phases escape the triviality problem. Bound states and the analogy with λ φ 4 theory are also considered.6 p.application/pdfeng(c) The American Physical Society, 1986Teoria quàntica de campsRenormalització (Física)Quantum field theoryRenormalization (Physics)info:eu-repo/semantics/article68732info:eu-repo/semantics/openAccess