Phys. Rev. B 56, 11001–11013 (1997)Quasi-one-dimensional spin-1/2 Heisenberg magnets in their ordered phase: Correlation functionsReceived 21 May 1997; published in the issue dated 1 November 1997 We study weakly coupled antiferromagnetic spin chains in their ordered phase by combining an exact solution of the single-chain problem with a random-phase-approximation analysis of the interchain interaction. A single chain is described by a quantum Sine-Gordon model and dynamical staggered susceptibilities are determined by employing the form-factor approach to quantum correlation functions. We consider both antiferromagnetic order encountered in quasi-one-dimensional materials such as KCuF3 and spin-Peierls order as found in CuGeO3. © 1997 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.56.11001
DOI:
10.1103/PhysRevB.56.11001
PACS:
75.10.Jm, 75.25.+z
|
|
About | Terms and Conditions | Subscriptions | Search | Help
Use of the American Physical Society websites and journals implies that the user has read and agrees to our Terms and Conditions and any applicable Subscription Agreement. Physical Review®, Physical Review Letters®, Reviews of Modern Physics®, and Physical Review Special Topics® are trademarks of the American Physical Society.