Doublon Production in Correlated Materials by Multiple Ion Impacts
Recently, it was demonstrated that ions impacting a correlated finite graphene‐type honeycomb cluster can excite strong nonequilibrium states. In particular, this can lead to an enhanced population of bound pairs of electrons with opposite spin—doublons—where the doublon number can be increased further via multiple ion impacts. These predictions were made based on nonequilibrium Green functions (NEGF) simulations allowing for a time‐dependent non‐perturbative study of the energy loss of charged particles penetrating a strongly correlated system. Herein, these simulations are extended to larger clusters and longer simulation times, utilizing the recently developed G1–G2 scheme, which allows for a dramatic speedup of NEGF simulations. Furthermore, the dependence of the energy and doublon number on the time interval between ion impacts and on the impact point is investigated.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Doublon Production in Correlated Materials by Multiple Ion Impacts ; day:26 ; month:02 ; year:2022 ; extent:12
Physica status solidi / B. B, Basic solid state physics ; (26.02.2022) (gesamt 12)
- Creator
- DOI
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10.1002/pssb.202100511
- URN
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urn:nbn:de:101:1-2022022614175656155090
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:36 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Borkowski, Lotte
- Schlünzen, Niclas
- Joost, Jan-Philip
- Reiser, Franziska
- Bonitz, Michael
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