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Invariant embedding approach to secondary electron emission from metals
F. X. Bronold, H. Fehske
Based on an invariant embedding principle for the backscattering function we calculate the electron emission yield for metal surfaces at very low electron impact energies. Solving…
Scrutinizing the Debye plasma model: Rydberg excitons unravel the properties of low-density plasmas in semiconductors
Heinrich Stolz, Dirk Semkat, Rico Schwartz +5
For low-density plasmas, the classical limit described by the Debye-Hückel theory is still considered as an appropriate description even though a clear experimental proof of this p…
Nonequilibrium dynamics in pumped Mott insulators
Satoshi Ejima, Florian Lange, Holger Fehske
We use time-evolution techniques for (infinite) matrix-product-states to calculate, directly in the thermodynamic limit, the time-dependent photoemission spectra and dynamic struct…
Charge measurement of nanoparticles in an RF-plasma by IR absorption
Harald Krüger, Elena Thiessen, Franz Xaver Bronold +2
We have performed measurements of the IR absorption of nanoparticles confined in an argon radio-frequency plasma discharge using an FTIR spectrometer. By varying the…
Dielectric response of electron-hole systems. Nondegenerate case and quantum corrections
Dirk Semkat, Heinrich Stolz, Wolf-Dietrich Kraeft +1
Analytical results for the dielectric function in RPA are derived for three-, two-, and one-dimensional semiconductors in the weakly-degenerate limit. Based on this limit, quantum…
Immutable quantized transport in Floquet chains
Bastian Höckendorf, Andreas Alvermann, Holger Fehske
We show how quantized transport can be realized in Floquet chains through encapsulation of a chiral or helical shift. The resulting transport is immutable rather than topological i…