Susceptibilities and Spin Gaps of Weakly Coupled Spin Ladders
- SLAC
We calculate the uniform and staggered susceptibilities of two-chain spin-1/2 Heisenberg ladders using Monte-Carlo simulations. We show that the gap extracted from the uniform susceptibility and the saturation value of the staggered susceptibility are independent of the sign of the interchain coupling J{perpendicular} in the asymptotic limit |J{perpendicular}|/J {yields} 0. Furthermore, we examine the existence of logarithmic corrections to the linear scaling of the gap with |J{perpendicular}|.
- Research Organization:
- Stanford Linear Accelerator Center, Menlo Park, CA (US)
- Sponsoring Organization:
- USDOE Office of Science (US)
- DOE Contract Number:
- AC03-76SF00515;
- OSTI ID:
- 826930
- Report Number(s):
- SLAC-PUB-10445
- Country of Publication:
- United States
- Language:
- English
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