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cond-mat.str-el2025
Phase structure of the one-dimensional lattice gauge theory with second nearest-neighbor interactions
Yeimer Zambrano, Aleksey Alekseev, Konrad J. Kapcia +2
We investigate the ground-state phase diagram of a one-dimensional lattice gauge theory (LGT) model with hard-core bosons at half-filling, extending previous studies…
cond-mat.str-el2008
Application of Contractor Renormalization Group (CORE) to the Heisenberg zig-zag and the Hubbard chain
Krzysztof Cichy, Piotr Tomczak
The COntractor REnormalization group method was devised in 1994 by Morningstar and Weinstein. It was primarily aimed at extracting the physics of lattice quantum field theories (li…