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Tracking Charge Localization via Transient Electron-Phonon Coupling in a Stripe-ordered Nickelate

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Abstract

We study the low-energy conductivity dynamics after femtosecond perturbation of the stripe-ordered phase in a strongly-correlated nickelate. The experiments reveal ultrafast suppression and recovery of electron-phonon coupling that tracks the atomic-scale localization of correlated charges.

© 2013 Optical Society of America

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