Journal of High Energy Physics

, 2018:13 | Cite as

A semi-classical Schwinger-Keldysh re-interpretation of the 4D Majorana fermion mass term

  • Yi-Zen ChuEmail author
Open Access
Regular Article - Theoretical Physics


We offer a semi-classical re-interpretation of the 4D Majorana fermion mass term as an ‘influence action’ in the Schwinger-Keldysh formulation of fermionic Quantum Field Theories.


Effective Field Theories Neutrino Physics 


Open Access

This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.


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Copyright information

© The Author(s) 2018

Authors and Affiliations

  1. 1.Department of PhysicsNational Central UniversityChungliTaiwan
  2. 2.Department of PhysicsUniversity of MinnesotaDuluthU.S.A.

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