Volume 142, Number 4, May 2023
|Number of page(s)||6|
|Section||Statistical physics and networks|
|Published online||30 May 2023|
The phase diagram of the next-neighbour Ising model of the face-centred cubic lattice
School of Physics and Astronomy, University of Edinburgh - Edinburgh EH9 3FD, UK
(a) E-mail: firstname.lastname@example.org (corresponding author)
Received: 12 January 2023
Accepted: 26 April 2023
We use Monte Carlo simulation to determine the stable structures in the second-neighbour Ising model on the face-centred cubic lattice. Those structures are for strongly antiferromagnetic second-neighbour interactions and for ferromagnetic and weakly antiferromagnetic second neighbours. We find a third stable “intermediate” antiferromagnetic phase with symmetry, and calculate the paramagnetic transition temperature for each. The transition temperature depends strongly on second-neighbour interactions which are not frustrated. We determine a sublattice structure suitable for solving this problem with mean-field theory.
© 2023 The author(s)
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