Gomis Torné, JoaquimKamimura, KiyoshiLlosa, Josep2010-05-062010-05-0620010556-2821https://hdl.handle.net/2445/12318Space-time non-commutative theories are non-local in time. We develop the Hamiltonian formal-ism for non-local field theories in d space-time dimensions by considering auxiliary d+1 dimensionalfield theories which are local with respect to the evolution time. The Hamiltonian path integralquantization is considered and the Feynman rules in the Lagrangian formalism are derived. Thecase of non-commutative φ theory is considered as an example6 p.application/pdfeng(c) The American Physical Society, 2001Teoria de camps (Física)Partícules (Física nuclear)Sistemes hamiltoniansFuncions de LagrangeField theory (Physics)Particles (Nuclear physics)Hamiltonian systemsLagrangian functionsinfo:eu-repo/semantics/article192118info:eu-repo/semantics/openAccess