Ground and Applied-Field-Driven Magnetic States of Antiferromagnets
In: Horizons in World Physics, ISBN: 978-1-53616-056-7, 2019 As discussed in this chapter, we develop a mean-field mathematical method to calculate the ground states of antiferromagnets and better understand the applied magnetic-field induced exotic properties. Within antiferromagnetic materials com...
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Zusammenfassung: | In: Horizons in World Physics, ISBN: 978-1-53616-056-7, 2019 As discussed in this chapter, we develop a mean-field mathematical method to
calculate the ground states of antiferromagnets and better understand the
applied magnetic-field induced exotic properties. Within antiferromagnetic
materials competitive and cooperative interactions exist leading to substance
extraordinary magnetic states. Our calculations predict that applying a
magnetic field to antiferromagnets can switch it from one magnetic state to
another. These include antiferromagnetic ground state, spin-flop transition,
spin-flopped state, spin-flip transition and spin-flipped state. Our framework
successfully demonstrates these phase changes. With this, a map of all
equilibrium magnetic ground states, as well as the respective equilibrium phase
conditions, are derived. Our study provides insight into the origins of the
various magnetic states. |
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DOI: | 10.48550/arxiv.2109.03485 |