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Effective detection...
Effective detection of spatio-temporal carrier dynamics by carrier capture
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- Rosati, Roberto, 1984 (författare)
- Westfaelische Wilhelms-Universität Münster,University of Münster,Chalmers tekniska högskola,Chalmers University of Technology
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- Lengers, F. (författare)
- Westfaelische Wilhelms-Universität Münster,University of Münster
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- Reiter, Doris E. (författare)
- Westfaelische Wilhelms-Universität Münster,University of Münster
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- Kuhn, T. (författare)
- Westfaelische Wilhelms-Universität Münster,University of Münster
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(creator_code:org_t)
- 2019
- 2019
- Engelska.
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Ingår i: Journal of Physics Condensed Matter. - 0953-8984 .- 1361-648X. ; 31:28
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https://research.cha... (primary) (free)
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The spatio-temporal dynamics of electrons moving in a 2D plane is challenging to detect when the required resolution shrinks simultaneously to nanometer length and subpicosecond time scale. We propose a detection scheme relying on phonon-induced carrier capture from 2D unbound states into the bound states of an embedded quantum dot. This capture process happens locally and here we explore if this locality is sufficient to use the carrier capture process as detection of the ultrafast diffraction of electrons from an obstacle in the 2D plane. As an example we consider an electronic wave packet traveling in a semiconducting monolayer of the transition metal dichalcogenide MoSe2, and we study the scattering-induced dynamics using a single particle Lindblad approach. Our results offer a new way to high resolution detection of the spatio-temporal carrier dynamics.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- Lindblad description
- high-resolution detection
- spatio-temporal dynamics
- phonon-mediated carrier capture
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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