Susceptibility of the spin 1/2 Heisenberg antiferromagnetic chain
- 11 July 1994
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 73 (2) , 332-335
- https://doi.org/10.1103/physrevlett.73.332
Abstract
Highly accurate results are presented for the susceptibility χ(T) of the s=1/2 Heisenberg antiferromagnetic chain for all temperatures, using the Bethe ansatz and field theory methods. After going through a rounded peak, χ(T) approaches its asymptotic zero-temperature value with infinite slope.Keywords
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