Supersymmetric field theory with benign ghosts
High Energy Physics - Theory
2015-06-16 v2 General Relativity and Quantum Cosmology
Abstract
We construct a supersymmetric (1+1)-dimensional field theory involving extra derivatives and associated ghosts: the spectrum of the Hamiltonian is not bounded from below, neither from above. In spite of that, there is neither classical, nor quantum collapse and unitarity is preserved.
Cite
@article{arxiv.1306.6066,
title = {Supersymmetric field theory with benign ghosts},
author = {A. V. Smilga},
journal= {arXiv preprint arXiv:1306.6066},
year = {2015}
}
Comments
Final version published in J.Phys. A; 8 pages, 3 figures