Comment on “Highly relativistic spin-gravity coupling for fermions”

Sergio A. Hojman and Felipe A. Asenjo
Phys. Rev. D 93, 028501 – Published 26 January 2016

Abstract

We exhibit difficulties of different sorts which appear when using the Mathisson-Papapetrou equations, in particular in the description of highly relativistic particles presented in R. Plyatsko and M. Fenyk [Phys. Rev. D 91, 064033 (2015)]. We compare some results of this theory and of the aforementioned work with the ones obtained using a Lagrangian formulation for massive spinning particles and show that the issues mentioned in the preceding sentence do not appear in the Lagrangian treatment.

  • Received 24 April 2015

DOI:https://doi.org/10.1103/PhysRevD.93.028501

© 2016 American Physical Society

Authors & Affiliations

Sergio A. Hojman1,2,3,4,* and Felipe A. Asenjo2,†

  • 1Departamento de Ciencias, Facultad de Artes Liberales, Universidad Adolfo Ibáñez, Santiago 7941169, Chile
  • 2Facultad de Ingeniería y Ciencias, Universidad Adolfo Ibáñez, Santiago 7941169, Chile
  • 3Departamento de Física, Facultad de Ciencias, Universidad de Chile, Santiago 7800003, Chile
  • 4Centro de Recursos Educativos Avanzados, CREA, Santiago 7500018, Chile

  • *sergio.hojman@uai.cl
  • felipe.asenjo@uai.cl

Comments & Replies

Reply to “Comment on ‘Highly relativistic spin-gravity coupling for fermions’ ”

Roman Plyatsko and Mykola Fenyk
Phys. Rev. D 93, 028502 (2016)

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Original Article

Highly relativistic spin-gravity coupling for fermions

Roman Plyatsko and Mykola Fenyk
Phys. Rev. D 91, 064033 (2015)

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Issue

Vol. 93, Iss. 2 — 15 January 2016

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