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cond-mat.stat-mech2023
Whitham Approach to Certain Large Fluctuation Problems in Statistical Mechanics
Eldad Bettelheim
We show the relationship between the strongly non-linear limit (also termed the dispersionless or the Whitham limit) of the macroscopic fluctuation theory of certain statistical mo…
quant-ph2023
Logarithmic Negativity and Spectrum in Free Fermionic Systems for Well-separated Intervals
Eldad Bettelheim
We employ a mathematical framework based on the Riemann-Hilbert approach developed in Ref. [1] to study logarithmic negativity of two intervals of free fermions in the case where t…