Massless fermions localization on domain walls

Authors

  • R. Guerrero Escuela Superior Politécnica de Chimborazo
  • R. O. Rodriguez Escuela Superior Politécnica de Chimborazo
  • F. Carreras Escuela Superior Politécnica de Chimborazo

DOI:

https://doi.org/10.31349/RevMexFis.66.77

Keywords:

BPS domain wall, fermions localization, Yukawa coupling

Abstract

Massless fermions on scalar domain walls are considered. Two walls are established, corresponding to 5-dimensional static spacetime asymptotically Anti de-Sitter, differentiated  by the symmetry around the wall, and in each case massless chiral fermions are coupled to the wall by a Yukawa term. We identify a normalizable state associated to the migration of fermions toward the edge of the wall. This effect is generated by the competition between the Yukawa interaction and the gravitational repulsion on the matter fields, and it is independent of the $Z_2$ symmetry of the wall.

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Published

2019-12-28

How to Cite

[1]
R. Guerrero, R. O. Rodriguez, and F. Carreras, “Massless fermions localization on domain walls”, Rev. Mex. Fís., vol. 66, no. 1 Jan-Feb, pp. 77–81, Dec. 2019.

Issue

Vol. 66 No. 1 Jan-Feb (2020): Revista Mexicana de Física

Section

07 Gravitation, Mathematical Physics and Field Theory

License

Authors retain copyright and grant the Revista Mexicana de Física right of first publication with the work simultaneously licensed under a CC BY-NC-ND 4.0 that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.