Phys. Rev. A 67, 016101 (2003) [6 pages]Comment on “Canonical formalism for Lagrangians with nonlocality of finite extent”Received 11 January 2002; revised 10 July 2002; published 15 January 2003 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. © 2003 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.67.016101
DOI:
10.1103/PhysRevA.67.016101
PACS:
03.65.Ta, 11.10.Lm, 45.20.Jj
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