3 papers
hep-th2025
Self-consistent graviton spectral function in Lorentzian quantum gravity
Jan M. Pawlowski, Manuel Reichert, Jonas Wessely
We present the first fully self-consistent computation of the graviton spectral function in quantum gravity, using the spectral renormalisation group for gravity put forward in arX…
hep-th2025
Critical scaling for spectral functions
Konrad Kockler, Jan M. Pawlowski, Jonas Wessely
We study real-time scalar -theory in 2+1 dimensions near criticality. Specifically, we compute the single-particle spectral function and that of the -channel four-point fu…
hep-ph2025
The causal structure of the quark propagator
Jan M. Pawlowski, Jonas Wessely
We study the causal structure of the quark propagator with the spectral DSE. The spectral gap equation is solved with the input of the spectral representation of the gluon and a ca…