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math-ph2020★ 6 cited
Asymptotic behavior of Toeplitz determinants with a delta function singularity
Vanja Marić, Fabio Franchini
We find the asymptotic behaviors of Toeplitz determinants with symbols which are a sum of two contributions: one analytical and non-zero function in an annulus around the unit circ…
cond-mat.stat-mech2020★ 37 cited
Quantum Phase Transition induced by Topological Frustration
Vanja Marić, Salvatore Marco Giampaolo, Fabio Franchini
In quantum many-body systems with local interactions, the effects of boundary conditions are considered to be negligible, at least for sufficiently large systems. Here we show an e…