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The effect of random surface roughness on quantum size effect in thin films is discussed. The conductivity of quantized metal films is analyzed for different types of experimentally identified correlation functions of surface…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 I. V. Ponomarev , A. E. Meyerovich

Conductivity of quantized multilayer metal films is analyzed with an emphasis on scattering by rough interlayer interfaces. Three different types of quantum size effect (QSE) in conductivity are predicted. Two of these QSE are similar to…

Mesoscale and Nanoscale Physics · Physics 2009-01-09 I. V. Ponomarev , A. E. Meyerovich

A new type of quantum size effect (QSE) oscillations is predicted for films with a relatively large correlation radius of surface inhomogeneities. The effect replaces usual QSE for random inhomogeneities with Gaussian and exponential power…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 A. E. Meyerovich , I. V. Ponomarev

This is the second in the series of papers on transport phenomena along random rough surfaces. We apply our simple general approach\cite{r1} to transport in very narrow channels, when the particles wavelength is comparable to the width of…

Condensed Matter · Physics 2007-05-23 A. E. Meyerovich , S. Stepaniants

The motion of two distant trapped particles or mechanical oscillators can be strongly coupled by light modes in a high finesse optical resonator. In a two mode ring cavity geometry, trapping, cooling and coupling is implemented by the same…

Quantum Physics · Physics 2012-11-29 Wolfgang Niedenzu , Raimar M. Sandner , Claudiu Genes , Helmut Ritsch

Quantum Hall effect (QHE) is a macroscopic manifestation of quantized states which only occurs in confined two-dimensional electron gas (2DEG) systems. Experimentally, QHE is hosted in high mobility 2DEG with large external magnetic field…

Materials Science · Physics 2018-10-17 Gang Qiu , Yixiu Wang , Yifan Nie , Yongping Zheng , Kyeongjae Cho , Wenzhuo Wu , Peide D. Ye

Quantum manifestations of various properties of metallic thin films by quantum size effect (QSE) have been studied intensively. Here, using first-principles calculations, we show quantum manifestation in dielectric properties of Al(111)…

Materials Science · Physics 2015-06-19 Wenmei Ming , Steve Blair , Feng Liu

Research on spatially inhomogeneous weakly-coupled superconductors has recently received a boost of interest because of the experimental observation of a dramatic enhancement of the kinetic inductance with relatively low losses. Here, we…

Superconductivity · Physics 2023-09-06 Bo Fan , Abhisek Samanta , Antonio M. García-García

The electronic properties of thin metallic films deviate from the corresponding bulk ones when the film thickness is comparable with the wavelength of the electrons at the Fermi level due to quantum size effects (QSE). QSE are expected to…

Materials Science · Physics 2009-11-07 L. Floreano , D. Cvetko , F. Bruno , G. Bavdek , A. Cossaro , R. Gotter , A. Verdini , A. Morgante

The interplay of bulk and boundary scattering is explored in a regime where quantum size effects modify mesoscopic transport in a degenerate Fermi liquid film of $^3$He on a rough surface. We discuss mass transport and the momentum…

Mesoscale and Nanoscale Physics · Physics 2019-11-20 Priya Sharma , Antonio Corcoles , R. G. Bennett , Jeevak M. Parpia , Brian Cowan , John Saunders

Quantized transport is a prominent feature in topological physics, with canonical examples being the quantum Hall effect and adiabatic Thouless pump, which are based on the Chern number, a topological invariant of 2D systems. Going beyond…

We study the transport properties of a quasi-two-dimensional diffusive normal metal film attached to a superconductor. We demonstrate that the properties of such films can essentially differ from those of quasi-one-dimensional systems: in…

Superconductivity · Physics 2009-10-30 Frank K. Wilhelm , Andrei D. Zaikin , Herve Courtois , .

The emergence of quantization at the nanoscale, the quantum size effect (QSE), allows flexible control of matter and is a rich source of advanced functionalities. A QSE-induced transition into an insulating phase in semimetallic nanofilms…

We develop a theoretical framework to investigate the interplay between quantum size effect (QSE) and strain effect on the stability of metal nanofilms. The QSE and strain effect are shown to be coupled through the concept of "quantum…

Materials Science · Physics 2012-09-18 Miao Liu , Yong Han , Lin Tang , Jin-Feng Jia , Qi-Kun Xue , Feng Liu

We report an experimental study of quench condensed ($2K\le T \le 15K$) disordered ultrathin films of {\rm Bi} where localisation effects and superconductivity compete. Experiments are done with different substrates and/or different…

Superconductivity · Physics 2009-10-31 G. Sambandamurthy , K. DasGupta , N. Chandrasekhar

Morphological instability of a planar surface ([111], [011], or [001]) of an ultra-thin metal film is studied in a parameter space formed by three major effects (the quantum size effect, the surface energy anisotropy and the surface stress)…

Materials Science · Physics 2020-12-03 Mikhail Khenner

We report on unique electronic properties in Fe-SiO2 nanocomposite thin films in the vicinity of the percolation threshold. The electronic transport is dominated by quantum corrections to the metallic conduction of the Infinite Cluster…

Disordered Systems and Neural Networks · Physics 2009-10-31 B. Raquet , M. Goiran , N. Negre , J. Leotin B. Aronzon , V. Rylkov , E. Meilikhov

Nonequilibrium quantum transport is of central importance in nanotechnology. Its description requires the understanding of strong electronic correlations, which couple atomic-scale phenomena to the nanoscale. So far, research in correlated…

Mesoscale and Nanoscale Physics · Physics 2023-08-16 A. Erpenbeck , E. Gull , G. Cohen

We study how discrete-time quantum walks behave under short-range correlated noise. By considering noise as a source of inhomogeneity of quantum gates, we introduce a primitive relaxation in the assumption of uncorrelated stochastic noise:…

Quantum Physics · Physics 2025-10-13 Graça R. M. de Almeida , N. Amaral , A. R. C. Buarque , W. S. Dias

Quantum entanglement is known as a unique quantum feature that cannot be obtained by classical physics. Over the last several decades, however, such an understanding on quantum entanglement might have confined us in a limited world of weird…

Quantum Physics · Physics 2023-08-01 B. S. Ham
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