Three-magnon bound state in the quasi-one-dimensional antiferromagnet α-NaMnO2

• Main Authors: Dally, Rebecca L., Heng, Alvin J. R., Keselman, Anna, Bordelon, Mitchell M., Stone, Matthew B., Balents, Leon, Wilson, Stephen D.
• Other Authors: School of Physical and Mathematical Sciences
• Format: Article
• Language: English
• Published: 2020
• Subjects: Physics - Strongly Correlated Electrons; Science::Physics; Antiferromagnet; Bound State
• Online Access: https://hdl.handle.net/10356/145025
• Institution: Nanyang Technological University

Here we report on the formation of a three-magnon bound state in the quasi-one-dimensional antiferromagnet α-NaMnO_{2}, where the single-ion, uniaxial anisotropy inherent to the Mn^{3+} ions in this material provides a binding mechanism capable of stabilizing higher order magnon bound states. While...