3 citations · 4 across the 3 of their papers we have counts for
5 papers
Resonant level model from a Krylov perspective: Lanczos coefficients in a quadratic model
Merlin Füllgraf, Jiaozi Wang, Jochen Gemmer +1
We study the Lanczos coefficients in a quadratic model given by an impurity interacting with a multi-mode field of fermions, also known as resonant level model. We analytically der…
Scaling of free cumulants in closed system-bath setups
Merlin Füllgraf, Jochen Gemmer, Jiaozi Wang
The Eigenstate Thermalization Hypothesis (ETH) has been established as a cornerstone for understanding thermalization in quantum many-body systems. Recently, there has been growing…
Estimate of equilibration times of quantum correlation functions in the thermodynamic limit based on Lanczos coefficients
Jiaozi Wang, Merlin Füllgraf, Jochen Gemmer
We study the equilibration times of local observables in quantum chaotic systems by considering their auto-correlation functions. Based on the recursion method, we su…
Lanczos-Pascal approach to correlation functions in chaotic quantum systems
Merlin Füllgraf, Jiaozi Wang, Robin Steinigeweg +1
We suggest a method to compute approximations to temporal correlation functions of few-body observables in chaotic many-body systems in the thermodynamic limit based on the respect…
Evidence for simple "arrow of time functions" in closed chaotic quantum systems
Merlin Füllgraf, Jiaozi Wang, Jochen Gemmer
Through an explicit construction, we assign to any infinite temperature autocorrelation function a set of functions . The construction of from requ…