3 papers
gr-qc2026
Spectral Density of the Causal Propagator
Joshua Y. L. Jones, Yasaman K. Yazdi
The causal propagator (or Pauli-Jordan function), which multiplied by is the spacetime commutator of the field , plays an essential role in scalar quantum field t…
hep-th2026
Spectral Spacetime Entropy for Quasifree Theories
Joshua Y. L. Jones, Yasaman K. Yazdi
Motivated by the necessity to UV-regularise entanglement entropy, we present a spectral method for calculating the entropy of quasifree states, for both bosonic and fermionic field…
gr-qc2025
Fluctuations and Correlations in Causal Set Theory
Heidar Moradi, Yasaman K. Yazdi, Miguel Zilhão
We study the statistical fluctuations (such as the variance) of causal set quantities, with particular focus on the causal set action. To facilitate calculating such fluctuations,…