Electronic correlation effects in the response of graphene and MoS2 monolayers to the impact of highly-charged ions
Fuente:
arXiv
Salvato in:
| Autori principali: | , , , , |
|---|---|
| Natura: | Preprint |
| Pubblicazione: |
2025
|
| Soggetti: | |
| Accesso online: | |
| Tags: |
Aggiungi Tag
Nessun Tag, puoi essere il primo ad aggiungerne!!
|
| _version_ | 1866909888789086208 |
|---|---|
| author | Lovato, Giorgio Bonitz, Michael Balzer, Karsten Caruso, Fabio Joost, Jan-Philip |
| author_facet | Lovato, Giorgio Bonitz, Michael Balzer, Karsten Caruso, Fabio Joost, Jan-Philip |
| contents | The interaction of highly-charged ions with monolayers of graphene and MoS2 is theoretically investigated based on nonequilibrium Green Functions (NEGF). In a recent paper [Niggas et al., Phys. Rev. Lett. 129, 086802 (2022)] dramatic differences in the response of the two materials to an impacting slow ion were reported. Here, this analysis is extended, focusing on the effect of electron-electron correlations in the monolayer on the electronic response to the ion. We apply the recently developed time-linear G1-G2 scheme [Schluenzen et al., Phys. Rev. Lett. 124, 076601 (2020)] combined with an embedding approach [Balzer et al., Phys. Rev. B 107, 155141 (2023)]. We demonstrate that, while electronic correlations have a minor effect in graphene, they significantly influence the electron dynamics in the case of MoS2. Our key results are the ultrafast dynamics of the charge density and induced electrostatic potential in the vicinity of the impact point of the ion. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_16751 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Electronic correlation effects in the response of graphene and MoS2 monolayers to the impact of highly-charged ions Lovato, Giorgio Bonitz, Michael Balzer, Karsten Caruso, Fabio Joost, Jan-Philip Mesoscale and Nanoscale Physics The interaction of highly-charged ions with monolayers of graphene and MoS2 is theoretically investigated based on nonequilibrium Green Functions (NEGF). In a recent paper [Niggas et al., Phys. Rev. Lett. 129, 086802 (2022)] dramatic differences in the response of the two materials to an impacting slow ion were reported. Here, this analysis is extended, focusing on the effect of electron-electron correlations in the monolayer on the electronic response to the ion. We apply the recently developed time-linear G1-G2 scheme [Schluenzen et al., Phys. Rev. Lett. 124, 076601 (2020)] combined with an embedding approach [Balzer et al., Phys. Rev. B 107, 155141 (2023)]. We demonstrate that, while electronic correlations have a minor effect in graphene, they significantly influence the electron dynamics in the case of MoS2. Our key results are the ultrafast dynamics of the charge density and induced electrostatic potential in the vicinity of the impact point of the ion. |
| title | Electronic correlation effects in the response of graphene and MoS2 monolayers to the impact of highly-charged ions |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2508.16751 |