The Commutativity of Integrals of Motion for Quantum Spin Chains and Elliptic Functions Identities

Autor: Dittrich, J., Inozemtsev, V. I.
Rok vydání: 2007
Předmět:
Zdroj: Regular and Chaotic Dynamics 13,19-26(2008)
Druh dokumentu: Working Paper
DOI: 10.1007/s11819-008-1003-3
Popis: We prove the commutativity of the first two nontrivial integrals of motion for quantum spin chains with elliptic form of the exchange interaction. We also show thair linear independence for the numbers of spins larger than 4. As a byproduct, we obtained several identities between elliptic Weierstrass functions of three and four arguments.
Comment: 13 pages
Databáze: arXiv