Publikationen // Universität Oldenburg https://uol.de/cascadeuse/publikationen
Cascade Use and the Management of Product Lifecycles" Sustainability, vol. 9, iss. 9, p.
Cascade Use and the Management of Product Lifecycles" Sustainability, vol. 9, iss. 9, p.
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Hein, A., Cauchi, B. (2024).
(Preprint) (Reprint) http://dx.doi.org/10.5772/intechopen.96389 2020 [118] Adaptive
We present a formulation of the nanoscale radiative heat transfer using concepts of mesoscopic physics. We introduce the analog of the Sharvin conductance using the quantum of thermal conductance. The formalism provides a convenient framework to analyze the physics of radiative heat transfer at the nanoscale. Finally, we propose a radiative heat transfer experiment in the regime of quantized conductance.
–b Abstract: We present a formulation of the nanoscale radiative heat transfer
We have numerically implemented a perturbation series for the scattered electromagnetic fields above rough surfaces, due to Greffet, allowing us to evaluate the local density of states to second order in the surface profile function.We present typical results for thermal near fields of surfaces with regular nanostructures, investigating the relative magnitude of the contributions appearing in successive orders. The method is then employed for estimating the resolution limit of an idealized near-field scanning thermal microscope.
B 82, 115443 (2010), The American Physical Society Keywords: LDOS, perurbation
We develop a perturbative approach for calculating, within the quasistatic approximation, the shift of surface resonances in response to a deformation of a dielectric volume. Our strategy is based on the conversion of the homogeneous system for the potential which determines the plasmonic eigenvalues into an inhomogeneous system for the potential’s derivative with respect to the deformation strength and on the exploitation of the corresponding compatibility condition. The resulting general expression for the first-order shift is verified for two explicitly solvable cases and for a realistic example of a deformed nanosphere. It can be used for scanning the huge parameter space of possible shape fluctuations with only quite small computational effort.
B 78, 085414 (2008), The American Physical Society Keywords: plasmonic eigenvalues