TY - JOUR AU - Ruiz Ruiz, Fernando AU - Gracia Bondía, José Mariano AU - Gayral, V. PY - 2005 DO - 10.1016/j.physletb.2005.02.01 SN - 0370-2693 UR - https://hdl.handle.net/20.500.14352/51010 T2 - Physics Letters B AB - It is argued that the one-loop effective action for space like noncommutative (i) lambda phi(4) scalar field theory and (ii) U(1) gauge theory does not exist. This indicates that such theories are not renormalizable already at one loop order and... LA - eng M2 - 141 PB - Elsevier Science Bv KW - Unitary TI - Trouble with space-like noncommutative field theory TY - journal article VL - 610 ER -