Unbound spinons in theS=1/2 antiferromagnetic chain
- 21 June 1993
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 70 (25) , 4003-4006
- https://doi.org/10.1103/physrevlett.70.4003
Abstract
Inelastic neutron scattering has been used to study the temperature dependence of the magnetic response in the one-dimensional S=1/2 Heisenberg antiferromagnet . The scattering is consistent with that expected for unbound spinon pair excitations.
Keywords
This publication has 25 references indexed in Scilit:
- Spectrum of magnetic excitations in the spin-Peierls statePhysical Review B, 1992
- Spin dynamics in the quantum antiferromagnetic chain compoundPhysical Review B, 1991
- Broken symmetry and (1/2 statistics of spinons in (2+1)-dimensional antiferromagnetsPhysical Review B, 1989
- Anomalous Quantum Hall Effect: An Incompressible Quantum Fluid with Fractionally Charged ExcitationsPhysical Review Letters, 1983
- Spin wave energy dispersion in KCuF3: a nearly one-dimensional spin-1/2antiferromagnetJournal of Physics C: Solid State Physics, 1979
- Neutron study of the line-shape and field dependence of magnetic excitations in Cu·2N()Physical Review B, 1978
- On the dynamics of the classical Heisenberg chainThe European Physical Journal A, 1974
- Dynamics of an, One-Dimensional Heisenberg AntiferromagnetPhysical Review Letters, 1974
- Resonating valence bonds: A new kind of insulator?Materials Research Bulletin, 1973
- Zur Theorie der MetalleThe European Physical Journal A, 1931