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Superanomalous Skin Effect for Surface Plasmon Polaritons

Title data

Larkin, I. A. ; Keil, Kevin ; Vagov, Alexei ; Croitoru, Mikhail D. ; Axt, Vollrath M.:
Superanomalous Skin Effect for Surface Plasmon Polaritons.
In: Physical Review Letters. Vol. 119 (2017) Issue 17 . - Art.Nr. 176801, 5 S..
ISSN 1079-7114
DOI: https://doi.org/10.1103/PhysRevLett.119.176801

Abstract in another language

It is commonly assumed that surface plasmon-polariton (SPP) excitations on a metal-dielectric interface decay exponentially inside the metallic sample. Here, we show that in a wide spectral interval the SPP field decays much slower, being inversely proportional to the distance to the interface modified by an additional logarithmic factor. This dependence differs from the standard anomalous skin effect and is provisionally referred to as superanomalous. Its origin is the nonlocality and the logarithmic singularity of the dielectric permittivity in metals. This type of decay is pronounced for SPP modes of higher frequencies, but it is suppressed for light waves.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: plasmonics; surface plasmon polaritons; nonlocal dielectric response; Landau damping; ultrafast dynamics; Superanomalous Skin Effect
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III > Chair Theoretical Physics III - Univ.-Prof. Dr. Martin Axt
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 27 Nov 2017 13:47
Last Modified: 27 Nov 2017 13:47
URI: https://eref.uni-bayreuth.de/id/eprint/40687