Published May 1995
| Version v1
Journal article
The spin 1/2 Heisenberg-Star with frustration: Ground state and thermodynamics
Description
We investigate a spin 1/2 Heisenberg antiferromagnet (AFM) H = J1 σi=1N SoSi + J2HR[Si] describing a central spin which interacts with a surrounding medium HR. We present general relations for the eigen values, the eigen states and the spin correlation function and study the model in more detail for HR being either a linear chain or a Lieb-Mattis AFM. Additional to the ground state properties we calculate the full thermodynamics in the case of HR being a Lieb-Mattis AFM
Additional details
Publishing Information
- Journal Title
- Journal of Low Temperature Physics
- Journal Volume
- 99
- Journal Issue
- 3-4
- Journal Page Range
- p. 381-383.
- ISSN
- 0022-2291
- CODEN
- JLTPAC
Conference
- Title
- International Euroconference on magnetic correlations, metal-insulator-transitions, and superconductivity in novel materials.
- Dates
- 26-30 Sep 1994.
- Place
- Wuerzburg (Germany).
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 27018581
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- ANTIFERROMAGNETIC MATERIALS; GROUND STATES; SPIN; TEMPERATURE DEPENDENCE
- Descriptors DEC
- ANGULAR MOMENTUM; ENERGY LEVELS; MAGNETIC MATERIALS; MATERIALS; PARTICLE PROPERTIES
Optional Information
- Secondary number(s)
- CONF-9409365--.