Atomic real-space perspective of light-field-driven currents in graphene

When graphene is exposed to a strong few-cycle optical field, a directional electric current can be induced depending on the carrier-envelope phase of the field. This phenomenon has successfully been explained by the charge dynamics in reciprocal space, namely an asymmetry in the conduction band pop...

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Veröffentlicht in:	New journal of physics 2022-03, Vol.24 (3), p.33051
Hauptverfasser:	Morimoto, Yuya, Shinohara, Yasushi, Ishikawa, Kenichi L, Hommelhoff, Peter
Format:	Artikel
Sprache:	eng
Schlagworte:	attosecond science Bonding strength Charge density Conduction bands Covalent bonds electron and x-ray imaging few-cycle laser excitation Graphene High energy electrons lightwave electronics petahertz electronics Physics Spatial distribution tight-binding model
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