51 citations · 170 across the 14 of their papers we have counts for
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hep-lat2017★ 9 cited
Direct detection of metal-insulator phase transitions using the modified Backus-Gilbert method
M. V. Ulybyshev, C. Winterowd, S. Zafeiropoulos
The detection of the (semi)metal-insulator phase transition can be extremely difficult if the local order parameter which characterizes the ordered phase is unknown.In some cases,…
cond-mat.str-el2017★ 19 cited
Collective charge excitations and the metal-insulator transition in the square lattice Hubbard-Coulomb model
Maksim Ulybyshev, Christopher Winterowd, Savvas Zafeiropoulos
In this article, we discuss the non-trivial collective charge excitations (plasmons) of the extended square-lattice Hubbard model. Using a fully non-perturbative approach, we emplo…