Quantum magnetism in the stripe phase: bond- versus site order
J. Tworzydlo (1), O. Y. Osman, C. N. A. van Duin, Jan Zaanen, (Leiden University, Netherlands; (1) also Warsaw University, Poland)
TL;DR
This paper discusses how different types of stripe order in quantum materials influence spin dynamics, providing insights into the nature of spin fluctuations in cuprate superconductors.
Contribution
It distinguishes between bond-ordered and site-ordered stripe phases and their respective roles in spin fluctuation behavior in cuprates.
Findings
Bond-ordered stripes lead to intrinsic spin fluctuations.
Site-ordered stripes require charge sector fluctuations.
Implications for understanding cuprate superconductivity.
Abstract
It is argued that the spin dynamics in the charge-ordered stripe phase might be revealing with regards to the nature of the anomalous spin dynamics in cuprate superconductors. Specifically, if the stripes are bond ordered much of the spin fluctuation will originate in the spin sector itself, while site ordered stripes require the charge sector as the driving force for the strong quantum spin fluctuations.
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