Sub-cycle multidimensional spectroscopy of strongly correlated materials
- URL: http://arxiv.org/abs/2208.04647v1
- Date: Tue, 9 Aug 2022 10:16:50 GMT
- Title: Sub-cycle multidimensional spectroscopy of strongly correlated materials
- Authors: V. Valmispild, E. Gorelov, M. Eckstein, A. Lichtenstein, H. Aoki, M.
Katsnelson, M. Ivanov, O. Smirnova
- Abstract summary: Sub-laser-cycle electron response is attractive as a tool for ultrafast manipulation of matter at PHz scale.
We introduce a new type of non-linear multidimensional spectroscopy, which allows us to unravel the sub-cycle dynamics.
Our findings open a way to a regime of imaging and manipulating strongly correlated materials at optical rates.
- Score: 0.0
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: Strongly correlated solids are extremely complex and fascinating quantum
systems, where new states continue to emerge and where interaction with light
may trigger interplay between them. In this interplay, sub-laser-cycle electron
response is particularly attractive as a tool for ultrafast manipulation of
matter at PHz scale. Here we introduce a new type of non-linear
multidimensional spectroscopy, which allows us to unravel the sub-cycle
dynamics of strongly correlated systems interacting with few-cycle infrared
pulses and the complex interplay between different correlated states evolving
on the sub-femtosecond time-scale. For the two-dimensional Hubbard model under
the influence of ultra-short, intense electric field transients, we demonstrate
that our approach can resolve pathways of charge and energy flow between
localized and delocalized many-body states on the sub-cycle timescale and
follow the creation of a highly correlated state surviving after the end of the
laser pulse. Our findings open a way to a regime of imaging and manipulating
strongly correlated materials at optical rates, beyond the multi-cycle approach
employed in Floquet engineering of quantum systems.
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