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Non-linear theory of diffusion of impurities in porous materials upon ultrasonic treatment is described. It is shown that at a defined value of deformation amplitude, an average concentration of vacancies and temperature as a result of the…

Mesoscale and Nanoscale Physics · Physics 2014-07-09 R. M. Peleshchak , O. V. Kuzyk , O. O. Dan'kiv

We discuss the effects of surfaces on bulk plasma oscillations in a metallic film of thickness $L$. The leading corrections to the plasma frequencies due to the surfaces are proportional to $L^{-1}$. dispersion relation of bulk modes,…

Condensed Matter · Physics 2009-10-22 Olle Heinonen , Walter Kohn

We propose a thermodynamically consistent general-purpose model describing diffusion of a solute or a fluid in a solid undergoing possible phase transformations and damage, beside possible visco-inelastic processes. Also heat…

Mathematical Physics · Physics 2015-10-28 Tomas Roubicek , Giuseppe Tomassetti

Trapped-ion quantum platforms are subject to `anomalous' heating due to interactions with electric-field noise sources of nature not yet completely known. There is ample experimental evidence that this noise originates at the surfaces of…

Quantum Physics · Physics 2017-09-15 F. Galve , J. Alonso , R. Zambrini

The charging and dissolution of mineral surfaces in contact with flowing liquids are ubiquitous in nature, as most minerals in water spontaneously acquire charge and dissolve. Mineral dissolution has been studied extensively under…

Soft Condensed Matter · Physics 2021-07-20 Patrick Ober , Willem Boon , Marjolein Dijkstra , Ellen Backus , René van Roij , Mischa Bonn

External magnetic fields reduce diffusion of carbon in BCC iron, but the physical mechanism is not understood. Using DFT calculations with magnetic moments sampled from a Heisenberg model, we calculate diffusivities of carbon in iron at…

Materials Science · Physics 2025-12-18 Luke J. Wirth , Dallas R. Trinkle

Dispersion relations for the spectra of surface electron states on a dynamically deformed adsorbed surface of a monocrystal with the Zinc blende structure are received. It is established that the dependences of the band gap width and of the…

Strongly Correlated Electrons · Physics 2018-06-27 R. M. Peleshchak , M. Ya. Seneta

Surface waves on a metal nanosphere are described in terms of quantum electrodynamics. The interaction of surface waves with a quantum oscillator is discussed in the dipole approximation. The increase in the spontaneous emission rate of the…

Optics · Physics 2013-01-23 A. M. Leontovich , V. V. Lidsky

We develop a model to study the thermal expansion of surfaces, wherein phonon frequencies are obtained from ab initio total energy calculations. Anharmonic effects are treated exactly in the direction normal to the surface, and within a…

mtrl-th · Physics 2016-09-07 Shobhana Narasimhan , Matthias Scheffler

We analyze heat current fluctuations between electrons and phonons in a metal. In equilibrium we recover the standard result consistent with the fluctuation-dissipation theorem. Here we show that heat current noise at finite frequencies,…

Mesoscale and Nanoscale Physics · Physics 2018-03-14 Jukka P. Pekola , Bayan Karimi

For the first time it is shown that for thin metallic films thickness of which does not exceed thickness of skin - layer, the problem of description of surface plasma oscillations allows analytical solution under arbitrary ratio of length…

Mathematical Physics · Physics 2010-12-14 A. V. Latyshev , A. A. Yushkanov

Density Functional Theory (DFT) has become a cornerstone in the modeling of metals. However, accurately simulating metals, particularly under extreme conditions, presents two significant challenges. First, simulating complex metallic…

Chemical Physics · Physics 2024-03-08 Jake P. Vu , Ming Chen

A series of kinetic phenomena in metallic multilayers has been considered. The kinetic properties of multilayers differ essentially from the properties of both massive metals and thin films. One of the main reasons of that is the influence…

Statistical Mechanics · Physics 2010-06-09 L. V. Dekhtyaruk , Yu. A. Kolesnichenko , V. G. Peschansky

Nonlinear electron emission processes induced by surface plasmon oscillations have been studied both experimentally and theoretically. The measured above-threshold electron spectra extend up to energies whose appearance cannot be explained…

Optics · Physics 2013-01-10 Sandor Varro , Norbert Kroo

High-performance osmotic energy conversion requires both large ionic throughput and high ionic selectivity, which can be significantly promoted by exterior surface charges simultaneously, especially for short nanopores. Here, we investigate…

Chemical Physics · Physics 2022-06-08 Long Ma , Xuan An , Fenhong Song , Yinghua Qiu

We discuss heating and decoherence in traps for ions and neutral particles close to metallic surfaces. We focus on simple trap geometries and compute noise spectra of thermally excited electromagnetic fields. If the trap is located in the…

Quantum Physics · Physics 2007-05-23 C. Henkel , M. Wilkens

Intense electromagnetic evanescent fields are thermally excited in near fields on material surfaces (at distances smaller than the wavelength of peak thermal radiation). The property of the fields is of strong interest for it is…

Mesoscale and Nanoscale Physics · Physics 2016-01-12 S. Komiyama , Y. Kajihara , K. Kosaka , T. Ueda , Zhenghua An

The magnetic dipole absorption cross section of a spherically shaped metal particle was calculated in terms of kinetic approach. The particle considered was placed in the field of a plane electromagnetic wave. The model of boundary…

Mesoscale and Nanoscale Physics · Physics 2014-03-10 I. A. Kuznetsova , M. E. Lebedev , A. A. Yushkanov

A mean-field theory which satisfying the electron on-site local constraint in the relevant regime of density for the high temperature superconductors is developed. Within this approach, the electron spectral function, the electron…

Condensed Matter · Physics 2009-10-30 Shiping Feng , Yun Song

Theory of low temperature kinetic phenomena in metals without inversion center is developed. Kinetic properties of a metal without inversion center are described by four kinetic equations for the diagonal (intra-band) and the off-diagonal…

Strongly Correlated Electrons · Physics 2020-05-19 V. P. Mineev