Regular Article

Quantum disordered vector-spin-chirality state in one dimensional Heisenberg model

¹ Dipartimento di Fisica “E.R. Caianiello”, Universitá degli Studi di Salerno, 84084 Fisciano (SA), Italy
² CNR-SPIN, UOS di Salerno, 84084 Fisciano (SA), Italy

^a e-mail: canio@sa.infn.it

Received: 20 June 2019
Received in final form: 18 July 2019
Published online: 16 September 2019

Abstract

We study the existence of a chiral spin ordered state in one-dimensional antiferromagnetic Heisenberg models. We prove that when the coupling constants are short-ranged no quantum vector-spin-chirality order appears at zero temperature for integer spin chains.