Benjamin Nosarzewski
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Very high resolution canopy height maps from RGB imagery using self-supervised vision transformer and convolutional decoder trained on aerial lidar Open
Vegetation structure mapping is critical for understanding the global carbon cycle and monitoring nature-based approaches to climate adaptation and mitigation. Repeated measurements of these data allow for the observation of deforestation …
View article: Superconductivity, charge density waves, and bipolarons in the Holstein model
Superconductivity, charge density waves, and bipolarons in the Holstein model Open
The electron-phonon ( e-ph ) interaction remains of great interest in condensed matter physics and plays a vital role in realizing superconductors, charge density waves (CDW), and polarons. We study the two-dimensional Holstein model for e…
Spectral properties and enhanced superconductivity in renormalized Migdal-Eliashberg theory Open
Migdal-Eliashberg theory describes the properties of the normal and superconducting states of electron-phonon-mediated superconductors based on a perturbative treatment of the electron-phonon interactions. It is necessary to include both e…
View article: Determination of mode-projected electron-phonon coupling from time-domain observations of microscopic scattering processes
Determination of mode-projected electron-phonon coupling from time-domain observations of microscopic scattering processes Open
Using a femtosecond extreme ultraviolet source with a narrow linewidth, we observe electrons in graphite scattering with the phonon from optically-populated initial states to well-defined final states, and extract the electron-phonon matri…
Breakdown of the Migdal-Eliashberg theory: A determinant quantum Monte Carlo study Open
The superconducting (SC) and charge-density-wave (CDW) susceptibilities of\nthe two dimensional Holstein model are computed using determinant quantum Monte\nCarlo (DQMC), and compared with results computed using the Migdal-Eliashberg\n(ME)…
Emergence of Interfacial Polarons from Electron–Phonon Coupling in Graphene/h-BN van der Waals Heterostructures Open
van der Waals heterostructures, vertical stacks of layered materials, offer new opportunities for novel quantum phenomena which are absent in their constituent components. Here we report the emergence of polaron quasiparticles at the inter…
Amplitude mode oscillations in pump-probe photoemission spectra from a -wave superconductor Open
Recent developments in the techniques of ultrafast pump-probe photoemission have made possible the search for collective modes in strongly correlated systems out of equilibrium. Including inelastic scattering processes and a retarded inter…