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cond-mat.stat-mech2024★ 12 cited
Generalized Free Cumulants for Quantum Chaotic Systems
Siddharth Jindal, Pavan Hosur
The eigenstate thermalization hypothesis (ETH) is the leading conjecture for the emergence of statistical mechanics in generic isolated quantum systems and is formulated in terms o…
cond-mat.stat-mech2020★ 1 cited
A polynomial time algorithm for studying physical observables in chaotic eigenstates
Pavan Hosur
We introduce an algorithm, the Orthogonal Operator Polynomial Expansion (OOPEX), to approximately compute expectation values in energy eigenstates at finite energy density of non-i…
cond-mat.stat-mech2015★ 19 cited
Characterizing eigenstate thermalization via measures in the Fock space of operators
Pavan Hosur, Xiao-Liang Qi
The eigenstate thermalization hypothesis (ETH) attempts to bridge the gap between quantum mechanical and statistical mechanical descriptions of isolated quantum systems. Here, we d…