Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/10628
Title: Magnetic properties, internal energy and specific heat of a three-layer Heisenberg system with six sublattices
Authors: Zhu, CB
Jiang, W
Lo, VC
Yang, J
Wang, W
Keywords: Energy gap
Internal energy
Multisublattice
Quantum fluctuation
Specific heat
Three-layer
Issue Date: 2010
Publisher: Elsevier Science Bv
Source: Physica b : condensed matter, 2010, v. 405, no. 7, p. 1677-1685 How to cite?
Journal: Physica B: Condensed Matter 
Abstract: The magnetic properties of a three-layer Heisenberg model with spins at six sublattices are investigated by using retarded Green's function method and spin-wave theory. The spin-wave spectra of the system and the energy gap are calculated numerically, which are related to the magnetic symmetrical structure of the model. The quantum fluctuation at zero temperature, magnetization, internal energy and specific heat at low temperature are compared under different sets of intra- and interplane coupling interactions. The results show that the ferrimagnetic coupling plays an important role in various physical properties of the system.
URI: http://hdl.handle.net/10397/10628
DOI: 10.1016/j.physb.2009.12.066
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