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Title: Atomic-scale diffractive imaging of sub-cycle electron dynamics in condensed matter

For interaction of light with condensed-matter systems, we show with simulations that ultrafast electron and X-ray diffraction can provide a time-dependent record of charge-density maps with sub-cycle and atomic-scale resolutions. Using graphene as an example material, we predict that diffraction can reveal localised atomic-scale origins of optical and electronic phenomena. Here, we point out nontrivial relations between microscopic electric current and density in undoped graphene.
Authors:
 [1] ;  [2] ;  [3] ;  [3]
  1. Georgia State Univ., Atlanta, GA (United States); Max-Planck-Institut fur Quantenoptik, Garching (Germany)
  2. Georgia State Univ. Atlanta, GA (United States)
  3. Max-Planck-Institut fur Quantenoptik, Garching (Germany); Ludwig-Maximilians-Univ. Munchen, Garching (Germany)
Publication Date:
OSTI Identifier:
1324962
Grant/Contract Number:
FG02-01ER15213; FG02-11ER46789
Type:
Accepted Manuscript
Journal Name:
Scientific Reports
Additional Journal Information:
Journal Volume: 5; Journal ID: ISSN 2045-2322
Publisher:
Nature Publishing Group
Research Org:
Georgia State Univ., Atlanta, GA (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY optical properties and devices; ultrafast photonics