2 papers
hep-th2026
Krylov Complexity from Loschmidt Amplitude
Debarghya Chakraborty
Krylov complexity is a powerful diagnostic of quantum dynamics, with clear connections to other measures of quantum chaos and operator growth. One such measure is the Loschmidt amp…
hep-th2025
Temperature dependence in Krylov space
Nikolaos Angelinos, Debarghya Chakraborty, Anatoly Dymarsky
We consider the recursion method applied to a generic 2pt function of a quantum system and show, in full generality, that the temperature dependence of the corresponding Lanczos co…