Universitat de Barcelona
The paper by Woodward [Phys. Rev. A 62, 052105 (2000)] claimed to have proved that Lagrangian theories with a nonlocality of finite extent are necessarily unstable. In this Comment we propose that this conclusion is false.
Article
Versió publicada
Anglès
Teoria quàntica; Teoria de camps (Física); Equacions de Lagrange; Quantum theory; Field theory; Lagrange equations
The American Physical Society
Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevA.67.016101
Physical Review A, 2003, vol. 67, núm. 1, p. 016101.
http://dx.doi.org/10.1103/PhysRevA.67.016101
(c) The American Physical Society, 2003
