Near-Field Radiative Heat Transfer Eigenmodes

The near-field electromagnetic interaction between nanoscale objects produces enhanced radiative heat transfer that can greatly surpass the limits established by far-field blackbody radiation. Here, we present a theoretical framework to describe the temporal dynamics of the radiative heat transfer i...

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Bibliographic Details
Published in:Physical review letters Vol. 126; no. 19; p. 1
Main Authors: Sanders, Stephen, Zundel, Lauren, Kort-Kamp, Wilton J. M., Dalvit, Diego A. R., Manjavacas, Alejandro
Format: Journal Article
Language:English
Published: College Park American Physical Society 12.05.2021
American Physical Society (APS)
Subjects:
ATOMIC AND MOLECULAR PHYSICS
Black body radiation
Electromagnetic interactions
Far fields
Heat transfer
Nanoparticles
nanophotonics
Nanostructure
nanostructures
Near fields
near-field optics
Radiative heat transfer
Thermalization (energy absorption)
ISSN:0031-9007, 1079-7114, 1079-7114
Online Access:Get full text
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Summary:The near-field electromagnetic interaction between nanoscale objects produces enhanced radiative heat transfer that can greatly surpass the limits established by far-field blackbody radiation. Here, we present a theoretical framework to describe the temporal dynamics of the radiative heat transfer in ensembles of nanostructures, which is based on the use of an eigenmode expansion of the equations that govern this process. Using this formalism, we identify the fundamental principles that determine the thermalization of collections of nanostructures, revealing general but often unintuitive dynamics. Our results provide an elegant and precise approach to efficiently analyze the temporal dynamics of the near-field radiative heat transfer in systems containing a large number of nanoparticles.
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89233218CNA000001; SC0020347; PID2019-109502GA-I00; DMR-1941680
MICIUN
National Science Foundation (NSF)
LA-UR-21-20930
USDOE Laboratory Directed Research and Development (LDRD) Program
ISSN:0031-9007
1079-7114
1079-7114
DOI:10.1103/PhysRevLett.126.193601