Quantum cluster algorithm for frustrated Ising models in a transverse field

Biswas, Sounak ; Rakala, Geet ; Damle, Kedar (2016) Quantum cluster algorithm for frustrated Ising models in a transverse field Physical Review B: Condensed Matter and Materials Physics, 93 (23). Article ID 235103. ISSN 2469-9950

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Official URL: http://journals.aps.org/prb/abstract/10.1103/PhysR...

Related URL: http://dx.doi.org/10.1103/PhysRevB.93.235103

Abstract

Working within the stochastic series expansion framework, we introduce and characterize a plaquette-based quantum cluster algorithm for quantum Monte Carlo simulations of transverse field Ising models with frustrated Ising exchange interactions. As a demonstration of the capabilities of this algorithm, we show that a relatively small ferromagnetic next-nearest-neighbor coupling drives the transverse field Ising antiferromagnet on the triangular lattice from an antiferromagnetic three-sublattice ordered state at low temperature to a ferrimagnetic three-sublattice ordered state.

Item Type:Article
Source:Copyright of this article belongs to American Physical Society.
ID Code:103380
Deposited On:09 Mar 2018 11:29
Last Modified:09 Mar 2018 11:29

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