Journal
NATURE PHOTONICS
Volume 12, Issue 5, Pages 266-+Publisher
NATURE RESEARCH
DOI: 10.1038/s41566-018-0129-0
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Funding
- EPSRC/DSTL MURI grant [EP/N018680/1]
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We bring together two topics that, until now, have been the focus of intense but non-overlapping research efforts. The first concerns high-harmonic generation in solids, which occurs when an intense light field excites a highly non-equilibrium electronic response in a semiconductor or a dielectric. The second concerns many-body dynamics in strongly correlated systems such as the Mott insulator. We show that high-harmonic generation can be used to time-resolve ultra-fast many-body dynamics associated with an optically driven phase transition, with accuracy far exceeding one cycle of the driving light field. Our work paves the way for time-resolving highly non-equilibrium many-body dynamics in strongly correlated systems, with few femtosecond accuracy.
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