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In this paper, the effect of a centrally located cutout (circular and elliptical) and cracks emanating from the cutout on the free flexural vibration behaviour of functionally graded material plates in thermal environment is studied. The…

Numerical Analysis · Mathematics 2013-01-11 Ahmad Akbari Rahimabadi , Sundararajan Natarajan , Stephane P. A. Bordas

Fluctuations are significant in mesoscopic systems and of particular importance in understanding quantum transport. Here, we show that fluctuations can be considered as a resource for the operations of open quantum systems as functional…

Mesoscale and Nanoscale Physics · Physics 2020-09-16 Jincheng Lu , Rongqian Wang , Chen Wang , Jian-Hua Jiang

We calculate the thermal noise in half-infinite mirrors containing a layer of arbitrary thickness and depth made of excessively lossy material but with the same elastic material properties as the substrate. For the special case of a thin…

General Relativity and Quantum Cosmology · Physics 2014-11-17 N. Nakagawa , A. M. Gretarsson , E. K. Gustafson , M. M. Fejer

The measurement of the lattice-parameter of silicon by x-ray interferometry assumes the use of strain-free crystals. This might not be the case because surface relaxation, reconstruction, and oxidation cause strains without the application…

Computational Physics · Physics 2016-11-23 C Melis , S Giordano , L Colombo , G Mana

A novel representation of functions, called generalized Taylor form, is applied to the filtering of white noise processes. It is shown that every Gaussian colored noise can be expressed as the output of a set of linear fractional stochastic…

Statistical Mechanics · Physics 2013-03-07 Giulio Cottone , Mario Di Paola , Roberta Santoro

Using the Green function approach to the problem of quantization of the phenomenological Maxwell theory, the propagation of quantized radiation through dispersive and absorptive multilayer dielectric plates is studied. Input--output…

Quantum Physics · Physics 2007-05-23 T. Gruner , D. -G. Welsch

In this paper, a non-uniform rational B-spline based iso-geometric finite element method is used to study the static and dynamic characteristics of functionally graded material (FGM) plates. The material properties are assumed to be graded…

In the framework of SU(2) gluodynamics, we derive the tensor structure of the neutral gluon polarization tensor in an Abelian homogeneous magnetic field at finite temperature and calculate it in one-loop approximation in the Lorentz…

High Energy Physics - Theory · Physics 2008-11-26 M. Bordag , V. Skalozub

This paper presents a novel method for estimating the temperature of magnetic nanoparticles (MNPs) based on AC magnetization harmonics of MNPs dominated by Brownian relaxation. The difference in the AC magnetization response and…

Nanomechanical photonic metamaterials provide a wealth of active switching, nonlinear and enhanced light-matter interaction functionalities by coupling optically and mechanically resonant subsystems. Thermal (Brownian) motion of the…

Optics · Physics 2022-06-14 Jinxiang Li , Kevin F. MacDonald , Nikolay I. Zheludev

We report device level damping measurements using spin-torque driven ferromagnetic resonance on perpendicular magnetic random-access memory (MRAM) cells. It is shown that thermal agitation enhances the apparent damping for cells smaller…

Mesoscale and Nanoscale Physics · Physics 2024-07-31 H. J. Richter , G. Mihajlović , R. V. Chopdekar , W. Jung , J. Gibbons , N. D. Melendez , M. K. Grobis , T. S. Santos

We have extended the range of the high-pressure optical spectroscopy to the far-infrared region keeping the accuracy of ambient-pressure experiments. The newly-developed method offers a powerful tool for the study of pressure-induced phase…

Strongly Correlated Electrons · Physics 2014-01-15 I. Kezsmarki , R. Gaal , C. C. Homes , B. Sipos , H. Berger , S. Bordacs , G. Mihaly , L. Forro

The absorption cross section of M\"{o}ssbauer radiation in magnetic liquids is calculated, taking into consideration both translational and rotational Brownian motion of magnetic nanoparticles. Stochastic reversals of their magnetization…

Materials Science · Physics 2023-10-31 A. Ya. Dzyublik , V. Yu. Spivak

Amorphous tantala (a-Ta2O5) is an important technological material that has wide ranging applications in electronics, optics and the biomedical industry. It is used as the high refractive index layers in the multi-layer dielectric mirror…

With use of simulated friction force microscopy, we study the effect of varying temperature on the frictional properties of suspended graphene. In contrast with the theory of thermally activated friction on the surfaces of three-dimensional…

Mesoscale and Nanoscale Physics · Physics 2015-03-18 A. Smolyanitsky

We analyze the features of the graphene mono- and multilayer reflectance in the far-infrared region as a function of frequency, temperature, and carrier density taking the intraband conductance and the interband electron absorbtion into…

Soft Condensed Matter · Physics 2009-11-13 L. A. Falkovsky

The traction on the surface of a spherical active colloid in a thermally fluctuating Stokesian fluid contains passive, active, and Brownian contributions. Here we derive these three parts systematically, by "projecting out" the fluid using…

Soft Condensed Matter · Physics 2017-09-11 Rajesh Singh , R. Adhikari

The significant discrepancy between first-principles calculations and experimental analyses for the relaxation of the (001) surface of rhodium has been a puzzle for some years. In this paper we present density functional theory calculations…

Materials Science · Physics 2009-10-30 Jun-Hyung Cho , Matthias Scheffler

The bending rigidity of two-dimensional (2D) materials is a key parameter for understanding the mechanics of 2D NEMS devices. The apparent bending rigidity of graphene membranes at macroscopic scale differs from theoretical predictions at…

A key issue in developing pendular Fabry-Perot interferometers as very accurate displacement measurement devices, is the noise level. The Fabry-Perot pendulums are the most promising device to detect gravitational waves, and therefore the…

Optics · Physics 2014-08-01 Paolo Addesso , Vincenzo Pierro , Giovanni Filatrella
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