Twin Peaks
High Energy Physics - Phenomenology
2017-08-23 v2
Abstract
The on-shell imaginary part of the retarded selfenergy of massive theory in 1+1 dimensions is logarithmically infrared divergent. This leads to a zero in the spectral function, separating its usual bump into two. The twin peaks interfere in time-dependent correlation functions, which causes oscillating modulations on top of exponential-like decay, while the usual formulas for the decay rate fail. We see similar modulations in our numerical results for a mean field correlator, using a Hartree ensemble approximation.
Cite
@article{arxiv.hep-ph/0008122,
title = {Twin Peaks},
author = {M. Salle and J. Smit and J. C. Vink},
journal= {arXiv preprint arXiv:hep-ph/0008122},
year = {2017}
}
Comments
Presented at SEWM 2000, language corrections