TY  - GEN 
AU  - López Ruiz, Francisco Felipe
AU  - Guerrero, J.
AU  - Aldaya, V.
A4  - Física Aplicada
PY  - 2020
SN  - 2470-0010
SN  - 2470-0029 (internet)
UR  - http://hdl.handle.net/10498/24304
AB  - We propose a new inner product for scalar fields that are solutions of the Klein-Gordon equation with m(2) < 0. This inner product is nonlocal, bearing an integral kernel including Bessel functions of the second kind. The associated norm proves to be...
LA  - eng
PB  - AMER PHYSICAL SOC
TI  - Proper scalar product for tachyon representations in configuration space
DO  - 10.1103/PhysRevD.102.125010
ER  -