Journal
NANOPHOTONICS
Volume 10, Issue 14, Pages 3777-3778Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1515/nanoph-2021-0293
Keywords
localized plasmons; quantum plasmonics; surface-plasmon polaritons
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Funding
- European Union [843801]
- Deutsche Forschungsge-meinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy within the Cluster of Excel-lence PhoenixD [EXC 2122, 390833453]
- Deutsche Forschungsge-meinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy within the Cluster of Excellence QuantumFrontiers [EXC 2123, 390837967]
- Marie Curie Actions (MSCA) [843801] Funding Source: Marie Curie Actions (MSCA)
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The letter evaluates the rest mass of light-induced surface-plasmon polaritons (SPPs) and discusses the idea of collisions between two massive SPP quasiparticles resulting in frequency changes according to energy and momentum conservation laws.
It is well-known that a quantum of light (pho-ton) has a zero mass in vacuum. Entering into a medium the photon creates a quasiparticle (polariton, plasmon, surface-phonon, surface-plasmon polariton, etc.) whose rest mass is generally not zero. In this letter, devoted to the memory of Mark Stockman, we evaluate the rest mass of light-induced surface-plasmon polaritons (SPPs) and discuss an idea that collisions of two massive SPP quasipar-ticles can result in changes of their frequencies according to the energy and momentum conservation laws.
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