Supersymmetric field theory with benign ghosts

作者:Smilga A V*
来源:Journal of Physics A-Mathematical and Theoretical, 2014, 47(5): 052001.
DOI:10.1088/1751-8113/47/5/052001

摘要

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 or from above. In spite of that, there is neither classical nor quantum, collapse and unitarity is preserved.

  • 出版日期2014-2-7