Strong-coupling expansion of multi-band interacting models: Mapping onto the transverse-field J1-J2 Ising model

Publication date: Available online 28 May 2021Source: Annals of PhysicsAuthor(s): Xiaoyu Wang, Morten H. Christensen, Erez Berg, Rafael M. Fernandes

Source: Annals of Physics - May 29, 2021 Category: Physics Source Type: research