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Orbital Floquet Engineering of Exchange Interactions in Magnetic Materials

Chaudhary, Swati and Hsieh, David and Refael, Gil (2019) Orbital Floquet Engineering of Exchange Interactions in Magnetic Materials. . (Unpublished)

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We present a new scheme to control the spin exchange interactions between two magnetic ions by manipulating the orbital degrees of freedom using a periodic drive. We discuss two different protocols for orbital Floquet engineering. In one case, we modify the properties of the ligand orbitals which mediate magnetic interactions between two transition metal ions. While in the other case, we mix the d orbitals on each magnetic ion. In contrast to previous works on Floquet engineering of magnetic properties, the present scheme makes use of the AC Stark shift of the states involved in the exchange process.

Item Type:Report or Paper (Discussion Paper)
Related URLs:
URLURL TypeDescription Paper
Hsieh, David0000-0002-0812-955X
Additional Information:We acknowledge support from the IQIM, an NSF physics frontier center funded by Gordon and Betty Moore foundation. We are grateful for support from ARO MURI W911NF-16-1-0361 "Quantum Materials by Design with Electromagnetic Excitation" sponsored by the U.S. Army.
Group:IQIM, Institute for Quantum Information and Matter
Funding AgencyGrant Number
Institute for Quantum Information and Matter (IQIM)UNSPECIFIED
Gordon and Betty Moore FoundationUNSPECIFIED
Army Research Office (ARO)W911NF-16-1-0361
Record Number:CaltechAUTHORS:20190520-132243974
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:95602
Deposited By: Tony Diaz
Deposited On:20 May 2019 20:33
Last Modified:20 May 2019 20:33

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