1990•Journal of Applied PhysicsRequires access

Theory of antiferromagnetic multilayers with quantum Heisenberg spins

H. T. Diep

Abstract

Magnetic properties of antiferromagnetic multilayers with quantum Heisenberg spins at finite temperatures are investigated by a Green function method. The system consists of alternate A and B layers of square lattice, with spins 1/2 and 1, respectively. Staggered layer magnetizations are shown as functions of temperature for different sets of interactions. Monte Carlo results for the corresponding system with classical spins are also shown for comparison.

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Key concepts: Spins, Antiferromagnetism, Condensed matter physics, Heisenberg model, Physics, Square lattice, Quantum, Monte Carlo method