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The one-dimensional spin-1/2 ANNNI model in two magnetic fields

 

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  • Product Description
 

We present results for the investigation of the one- dimensional spin-1/2 Axial Next Nearest Neighbour Ising (ANNNI) model in perpendicular magnetic fields. As a starting point we obtain an estimate of the phase diagram of the model by treating the spins as classical vectors. This is followed by an investigation of the ground state of the one- dimensional spin-1/2 ANNNI model in a longitudinal magnetic field. By using the symmetries of the Hamiltonian, we are able to do energy classification for the longitudinal ANNNI model. We find that there are four different possible ground state configurations for the longitudinal ANNNI model, in the thermodynamic limit. Rayleigh Schroedinger perturbation series for the ground state energy of the ANNNI model in non-commuting fields are then developed in each of the four ordered regions. Order parameters and the associated susceptibilities as well as specific heats are calculated. By application of the finite-size scaling technique the phase boundaries of the model are obtained numerically. For certain limits of the full Hamiltonian we compare the obtained results with the existing literature.

Product Specifications
SKU :COC100996
AuthorKunle Adegoke
LanguageEnglish
BindingPaperback
Number of Pages208
Publishing Year2011-03-24T00:00:00.000
ISBN978-3838389370
Edition1 st
Book TypePhysics
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-08-18 00:00:00