Abstract
We derive an effective spin Hamiltonian for the one-dimensional half-filled alternating Hubbardmodel in the limit of strong on-site repulsion. We show that the effective Hamiltonian is a spinS = 1/2 Heisenberg chain with asymmetric next-nearest-neighbour (nnn) exchange.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
