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cond-mat.stat-mech2023
Statistics of matrix elements of local operators in integrable models
F. H. L. Essler, A. J. J. M. de Klerk
We study the statistics of matrix elements of local operators in the basis of energy eigenstates in a paradigmatic integrable many-particle quantum theory, the Lieb-Liniger model o…
cond-mat.quant-gas2023
Improved Hilbert space exploration algorithms for finite temperature calculations
A. J. J. M. de Klerk, J. -S. Caux
Computing correlation functions in strongly-interacting quantum systems is one of the most important challenges of modern condensed matter theory, due to their importance in the de…