Comment on "Elementary Kaluza-Klein towers revisited"
Michael Maziashvili
TL;DR
This paper critiques a recent study on Kaluza-Klein mode spectra, clarifying the correct range of boundary conditions and providing a comprehensive list of all permissible options.
Contribution
It corrects the overestimation of boundary condition possibilities in previous work and enumerates all valid boundary conditions for KK modes in flat extra-dimensional models.
Findings
The allowed boundary conditions are fewer than previously claimed.
All permissible boundary conditions are systematically classified.
The corrected spectrum impacts the understanding of KK mode phenomenology.
Abstract
Recently the spectrum of KK modes in the framework of one flat extra-dimensional scenario was revisited in the paper Phys. Rev. D74 (2006) 124013, (hep-th/0607246) on the basis of self-adjoint extension of the quantum mechanical operator determining the KK masses. In this Letter we note that the range of allowed boundary conditions on the KK modes is overestimated in above mentioned paper and give all allowed possibilities.
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Taxonomy
TopicsGyrotron and Vacuum Electronics Research · Nonlinear Photonic Systems · Laser-Matter Interactions and Applications