Abstract

The interaction of highly-charged ions with monolayers of graphene and MoS₂ is theoretically investigated based on nonequilibrium Green Functions (NEGF). Using the time-linear G1–G₂ scheme combined with an embedding approach, the paper studies how electronic correlations affect ultrafast charge-density dynamics, induced electrostatic potential, and spectral response during ion impact. The work compares graphene and semiconducting MoS₂ and finds that correlations have a minor effect in graphene but significantly influence the electron dynamics in MoS2.

Abstract

The interaction of highly-charged ions with monolayers of graphene and MoS₂ is theoretically investigated based on nonequilibrium Green Functions (NEGF). Using the time-linear G1–G₂ scheme combined with an embedding approach, the paper studies how electronic correlations affect ultrafast charge-density dynamics, induced electrostatic potential, and spectral response during ion impact. The work compares graphene and semiconducting MoS₂ and finds that correlations have a minor effect in graphene but significantly influence the electron dynamics in MoS2.

Abstract

The interaction of highly-charged ions with monolayers of graphene and MoS₂ is theoretically investigated based on nonequilibrium Green Functions (NEGF). Using the time-linear G1–G₂ scheme combined with an embedding approach, the paper studies how electronic correlations affect ultrafast charge-density dynamics, induced electrostatic potential, and spectral response during ion impact. The work compares graphene and semiconducting MoS₂ and finds that correlations have a minor effect in graphene but significantly influence the electron dynamics in MoS2.

Abstract

The interaction of highly-charged ions with monolayers of graphene and MoS₂ is theoretically investigated based on nonequilibrium Green Functions (NEGF). Using the time-linear G1–G₂ scheme combined with an embedding approach, the paper studies how electronic correlations affect ultrafast charge-density dynamics, induced electrostatic potential, and spectral response during ion impact. The work compares graphene and semiconducting MoS₂ and finds that correlations have a minor effect in graphene but significantly influence the electron dynamics in MoS2.