Ultrafast modification of the electronic structure of a correlated insulator

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Ultrafast modification of the electronic structure of a correlated insulator

Grånäs, Oscar, 1979- (author): Uppsala universitet,Materialteori

Vaskivskyi, I. (author): Uppsala universitet,Institutionen för fysik och astronomi,Univ Calif San Diego, Ctr Memory & Recording Res, 9500 Gilman Dr, La Jolla, CA 92093 USA.

Wang, X. (author): Uppsala universitet,Institutionen för fysik och astronomi

Thunström, Patrik, 1981- (author): Uppsala universitet,Materialteori

Ghimire, S. (author): SLAC Natl Accelerator Lab, Stanford PULSE Inst, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA.

Knut, Ronny (author): Uppsala universitet,Energimaterialens fysik

Söderström, Johan, 1978- (author): Uppsala universitet,Kemisk och biomolekylär fysik

Kjellsson, L. (author): Uppsala universitet,Institutionen för fysik och astronomi

Turenne, Diego (author): Uppsala universitet,FREIA

Engel, R. Y. (author): DESY, Dept Photon Sci, Notkestr 85, D-22607 Hamburg, Germany.

Beye, M. (author): DESY, Dept Photon Sci, Notkestr 85, D-22607 Hamburg, Germany.

Lu, J. (author): SLAC Natl Accelerator Lab, Stanford PULSE Inst, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA.

Higley, D. J. (author): SLAC Natl Accelerator Lab, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA.

Reid, A. H. (author): SLAC Natl Accelerator Lab, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA.

Schlotter, W. (author): SLAC Natl Accelerator Lab, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA.

Coslovich, G. (author): SLAC Natl Accelerator Lab, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA.;Harvard Univ, John Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USA.

Hoffmann, M. (author): SLAC Natl Accelerator Lab, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA.

Kolesov, G. (author)

Schissler-Langeheine, C. (author): Helmholtz Zent Berlin Mat & Energie GmbH, D-12489 Berlin, Germany.

Styervoyedov, A. (author): Max Planck Inst Mikrostrukturphys, Weinberg 2, Halle, Germany.

Tancogne-Dejean, N. (author): Max Planck Inst Struct & Dynam Matter, Luruper Chaussee 149, D-22761 Hamburg, Germany.;Ctr Free Electron Laser Sci, Sch Sci & Technol, Luruper Chaussee 149, SE-70182 Hamburg, Germany.

Sentef, M. A. (author): Max Planck Inst Struct & Dynam Matter, Luruper Chaussee 149, D-22761 Hamburg, Germany.;Ctr Free Electron Laser Sci, Sch Sci & Technol, Luruper Chaussee 149, SE-70182 Hamburg, Germany.

Reis, D. A. (author): SLAC Natl Accelerator Lab, Stanford PULSE Inst, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA.

Rubio, A. (author): Max Planck Inst Struct & Dynam Matter, Luruper Chaussee 149, D-22761 Hamburg, Germany.;Ctr Free Electron Laser Sci, Sch Sci & Technol, Luruper Chaussee 149, SE-70182 Hamburg, Germany.;Flatiron Inst, Ctr Computat Quantum Phys, New York, NY 10010 USA.

Parkin, S. S. P. (author): Max Planck Inst Mikrostrukturphys, Weinberg 2, Halle, Germany.

Karis, Olof (author): Uppsala universitet,Energimaterialens fysik

Rubensson, J. -e. (author): Uppsala universitet,Institutionen för fysik och astronomi

Eriksson, Olle, 1960- (author): Uppsala universitet,Fasta tillståndets fysik

Dürr, Hermann (author): Uppsala universitet,FREIA

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American Physical Society, 2022
2022
English.
In: Physical Review Research. - : American Physical Society. - 2643-1564. ; 4:3

Related links:: https://uu.diva-port... (primary) (Raw object); show more...; https://urn.kb.se/re...; https://doi.org/10.1...; show less...

Journal article (peer-reviewed)

Abstract Subject headings

A nontrivial balance between Coulomb repulsion and kinematic effects determines the electronic structure of correlated electron materials. The use of electromagnetic fields strong enough to rival these native microscopic interactions allows us to study the electronic response as well as the time scales and energies involved in using quantum effects for possible applications. We use element-specific transient x-ray absorption spectroscopy and high-harmonic generation to measure the response to ultrashort off-resonant optical fields in the prototypical correlated electron insulator NiO. Surprisingly, fields of up to 0.22 V/angstrom lead to no detectable changes in the correlated Ni 3d orbitals contrary to previous predictions. A transient directional charge transfer is uncovered, a behavior that is captured by first-principles theory. Our results highlight the importance of retardation effects in electronic screening and pinpoints a key challenge in functionalizing correlated materials for ultrafast device operation.

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NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Condensed Matter ...

Articles in the publication: Physical Review ...

By the university: Uppsala University

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Ultrafast modification of the electronic structure of a correlated insulator

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