2 papers
cond-mat.str-el2026
A web of exact mappings from RK models to spin chains
Gurkirat Singh, Inti Sodemann
We study Rokhsar-Kivelson (RK) dimer and spin ice models realizing -lattice gauge theories in a wide class of quasi-one-dimensional settings, which define a setup for the stu…
cond-mat.mes-hall2024
Arboreal Obstructed Atomic Insulating and Metallic Phases of Fermions
Gurkirat Singh, Surajit Bera, Vijay B. Shenoy
We explore phases of free fermions on arenas that do not tessellate a manifold. Specializing to arboreal arenas described by tree graphs which possess a notion of translation symme…