3 papers
quant-ph2026
The local characterization of global tensor network eigenstates
José Garre Rubio, András Molnár, Norbert Schuch +1
We study the conditions under which Matrix Product States (MPS) or Matrix Product Operators are exact eigenvectors of an extensive local operator, such as a Hamiltonian. By suitabl…
quant-ph2025
Dipoles and Anyonic Directional Confinement via Twisted Toric Codes
Jose Garre Rubio
We introduce a modified 2D toric code Hamiltonian that exhibits explicit anyon confinement along a single spatial direction. By bounding the motion of these confined anyons, we obt…
math-ph2024
Anyonic symmetry fractionalization in SET phases
Jose Garre Rubio, Yoshiko Ogata
We consider the anyonic spin systems with a global symmetry, the so-called symmetry enriched topological (SET) phases. We introduce the phase characterizing the symmetry fractional…