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Related papers: Superconducting plasmonics and extraordinary trans…

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The light transmission through a dispersive plasmonic circular hole is numerically investigated with an emphasis on its subwavelength guidance. For a better understanding of the effect of the hole diameter on the guided dispersion…

Optics · Physics 2009-02-20 Ki Young Kim , Young Ki Cho , Heung-Sik Tae , Jeong-Hae Lee

By using multi-bands BCS theory, we have calculated the superconductivity energy gap and the critical temperature of a thin-film metallic superconductor. The thermodynamic superconducting characteristics such as critical magnetic field,…

Superconductivity · Physics 2007-05-23 Bin Chen , Zhenyue Zhu , X. C. Xie

The theory of hole superconductivity proposes that superconductivity originates in the fundamental electron-hole asymmetry of condensed matter and that it is an 'undressing' transition. Here we propose that a natural consequence of this…

Superconductivity · Physics 2009-11-10 J. E. Hirsch

We use a semiclassical approach for analysing the tunneling transport through a normal conductor in contact with superconducting mirrors. Our analysis of the electron-hole propagation along semiclassical trajectories shows that resonant…

Superconductivity · Physics 2009-10-31 A. Kadigrobov , L. Y. Gorelik , R. I. Shekhter , M. Jonson

Interaction between metal surface waves and periodic geometry of subwavelength structures is at the core of the recent but crucial renewal of interest in plasmonics. One of the most intriguing points is the observation of abnormal strong…

Other Condensed Matter · Physics 2007-05-23 Jean-Baptiste Masson , Guilhem Gallot

We numerically demonstrate inhibition of absorption, optical transparency, and anomalous momentum states of phase locked harmonic pulses in semiconductors, at UV and extreme UV frequencies, in spectral regions where the dielectric constant…

A universal mechanism of superconductivity applicable to ``low temperature'' and ``high temperature'' superconductors is proposed in this paper. With this model of mechanism experimental facts of superconductors can be qualitatively…

Superconductivity · Physics 2007-05-23 W. Z. Shangguan , T. C. Au-Yeung

Two-dimensional superconductivity has become a major frontier in condensed matter physics. It holds the key to the mechanism of high-temperature superconductors and offers an exceptional arena to stabilize emergent quantum states enabled by…

Superconductivity · Physics 2026-03-16 Qiang-Jun Cheng , Xu-Cun Ma , Qi-Kun Xue , Can-Li Song

We study the transfer of electromagnetic energy across a subwavelength gap separating two co-axial metal nanorodes. The absence of spacer in the gap separating the rods the system exhibits the strong coupling between longitudinal plasmons…

Optics · Physics 2016-05-04 Maxim Sukharev , Abraham Nitzan

We characterize the behaviour of split ring resonators made up of high-transition temperature YBCO superconductor using terahertz time domain spectroscopy. The superconductor metamaterial shows sharp change in the transmission spectrum at…

The role of anharmonicity on superconductivity has often been disregarded in the past. Recently, it has been recognized that anharmonic decoherence could play a fundamental role in determining the superconducting properties (electron-phonon…

Superconductivity · Physics 2024-01-26 Chandan Setty , Matteo Baggioli , Alessio Zaccone

We provide rigorous numerical calculations (using the rigorous coupled-wave analysis) of transmission spectra of various metallic and metamaterial one-dimensional gratings and identify plasmonic resonances responsible for enhanced…

Optics · Physics 2015-06-16 Gergely Kajtar , Peter Markos

By drilling periodic thru-holes in a suspended film, the phonon system can be modified. Being motivated by the BCS theory, the technique, so-called phonon engineering, was applied to a niobium sheet. The newly emergent high-$T_{c}$…

General Physics · Physics 2022-09-12 N. Zen

Recent works dealt with the optical transmission on arrays of subwavelength holes perforated in a thick metallic film. We have performed simulations which quantitatively agree with experimental results and which unambiguously evidence that…

Materials Science · Physics 2007-05-23 P. Lalanne , J. C. Rodier , J. P. Hugonin

Superresolution, extraordinary transmission, total absorption, and localization of electromagnetic waves are currently attracting growing attention. These phenomena are related to different physical objects and are usually studied within…

The fundamental guided dispersion characteristics of guided light in a subwavelength dielectric slit channel embedded by two different plasmonic metals are investigated when varying the gap width. As a result, an overall and salient picture…

Optics · Physics 2009-04-16 Ki Young Kim

We present an intuitive analytical model for extraordinary optical transmission (EOT) through corrugated metallic films. In the framework of this model, EOT emerges from standing wave resonances of the different diffraction orders, and is…

Optics · Physics 2010-11-17 Ilai Schwarz , Nitzan Livneh , Ronen Rapaport

Transmission of light through an optically ultrathin metal film with a thickness comparable to its skin depth is significant. We demonstrate experimentally nearly-zero transmission of light through a film periodically modulated by a…

There has been much interest in semiconductor superlattices because of showing very low thermal conductivities. This makes them especially suitable for applications in a variety of devices for thermoelectric generation of energy, heat…

Statistical Mechanics · Physics 2020-02-06 Federico Vázquez , Péter Ván , Róbert Kovács

It is shown that an overcritical density plasma slab can be totally transparent to a \textit{p}-polarized obliquely incident electromagnetic wave. High transparency is achieved due to the interference of the evanescent waves in the…

Plasma Physics · Physics 2009-11-13 E. Fourkal , I. Velchev , C-M. Ma , A. Smolyakov