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We investigate dynamics of magnetic thin-shells in three dimensional anti de Sitter background. Because of the magnetic field, an oscillatory solution is possible. This oscillating shell can tunnel to a collapsing shell or a bouncing shell,…

High Energy Physics - Theory · Physics 2015-07-22 Bum-Hoon Lee , Wonwoo Lee , Dong-han Yeom

The formation of a thin current sheet in a magnetic quasi-separatrix layer (QSL) is investigated by means of numerical simulation using a simplified ideal, low-$\beta$, MHD model. The initial configuration and driving boundary conditions…

Plasma Physics · Physics 2014-10-27 Frederic Effenberger , Kay Thust , Lukas Arnold , Rainer Grauer , Jürgen Dreher

Acoustic emission is used here to study melting and solidification of embedded indium particles in the size range of 0.2 to 3 um in diameter and to show that dislocation generation occurs in the aluminum matrix to accommodate a 2.5% volume…

Materials Science · Physics 2015-06-11 Michael M. Kuba , David C. Van Aken

The global transition to hydrogen-based energy infrastructures faces significant hurdles. Chief among these are the high costs and sustainability issues associated with acid-based proton exchange membrane fuel cells. Anion exchange membrane…

Soft Condensed Matter · Physics 2025-10-15 William Schertzer , Mohamed Al Otmi , Janani Sampath , Ryan P. Lively , Rampi Ramprasad

Evolution of the parametric decay instability (PDI) of a circularly polarized Aflv\'en wave in a turbulent low-beta plasma background is investigated using 3D hybrid simulations. It is shown that the turbulence reduces the growth rate of…

Space Physics · Physics 2018-04-04 Xiangrong Fu , Hui Li , Fan Guo , Xiaocan Li , Vadim Roytershteyn

Annealing treatment is an important step of rolling deformation that contributes to microstructural evolution and leads to the significant changes in damping capacity. Damping capacities were analyzed in the parallel to rolling direction at…

Applied Physics · Physics 2017-04-26 M. N. Mazlee

Achieving a combination of high mechanical strength and high electrical conductivity in low-weight Al alloys requires a full understanding of the relationships between nanoscaled features and physical properties. Grain boundary…

Materials Science · Physics 2020-08-27 Xavier Sauvage , Fabien Cuvilly , Alan Russell , Kaveh Edalati

We have recently proposed a mechanism of photon-axion oscillations as a way of rendering supernovae dimmer without cosmic acceleration. Subsequently, it has been argued that the intergalactic plasma may interfere adversely with this…

High Energy Physics - Phenomenology · Physics 2009-09-17 Csaba Csaki , Nemanja Kaloper , John Terning

We present {\em direct} and {\em linear} measurements of the normal stiffness and damping of a confined, few molecule thick water layer. The measurements were obtained by use of a small amplitude (0.36 $\textrm{\AA}$), off-resonance Atomic…

Soft Condensed Matter · Physics 2009-11-10 Steve Jeffery , Peter M. Hoffmann , John B. Pethica , Chandra Ramanujan , H. Özgür Özer , Ahmet Oral

Non-equilibrium processes which convert chemical energy into mechanical motion enable the motility of organisms. Bundles of inextensible filaments driven by energy transduction of molecular motors form essential components of micron-scale…

Soft Condensed Matter · Physics 2013-06-13 Abhrajit Laskar , Rajeev Singh , Somdeb Ghose , Gayathri Jayaraman , P. B. Sunil Kumar , R. Adhikari

Molecular dynamics simulations are often used to study sputtering and thin film growth. Compressive stresses in these thin films are generally assumed to be caused by a combination of forward sputtered (peened) built-in particles and…

Materials Science · Physics 2022-08-24 Tobias Gergs , Thomas Mussenbrock , Jan Trieschmann

We calculate the average persistent current in a normal conducting, mesoscopic ring in the diffusive regime. In the presence of magnetic impurities, a contribution to the persistent current is identified, which is related to fluctuations in…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 P. Schwab , U. Eckern

Axion like particles (ALPs) are quite generic in many scenarios for physics beyond the Standard Model, they are pseudoscalar Nambu-Goldstone bosons, and appear once any global $U(1)$ symmetry is broken spontaneously. The ALPs can gain mass…

High Energy Physics - Phenomenology · Physics 2016-03-23 Anupam Mazumdar , Saleh Qutub

We propose a mechanism for the fast dissipation of magnetic fields which is effective in a stratified medium where ion motions can be neglected. In such a medium, the field is frozen into the electrons and Hall currents prevail. Although…

Astrophysics · Physics 2009-10-31 S. I. Vainshtein , S. M. Chitre , A. V. Olinto

Small molecular solar cell becomes more stable when a thin tris-(8-hydroxyquinoline) aluminum (Alq3) buffer layer instead of bathocuproine (BCP) is inserted between the active layer and electrode. In this work, we introduce a single layer…

Materials Science · Physics 2017-07-26 Min Wang , Yan Zhou , Sui Kong Hark , Xi Zhu

Possible mechanisms for over-limiting current (OLC) through aqueous ion-exchange membranes (exceeding diffusion limitation) have been debated for half a century. Flows consistent with electro-osmotic instability (EOI) have recently been…

Chemical Physics · Physics 2013-12-12 M. B. Andersen , M. van Soestbergen , A. Mani , H. Bruus , P. M. Biesheuvel , M. Z. Bazant

The freshwater crisis is a growing concern and a pressing problem for the world because of the increasing population, civilization, and rapid industrial growth. The water treatment facilities are able to supply less than 1% of the total…

Soft Condensed Matter · Physics 2023-11-28 Nudrat Nawal , Md Rashed Nizam , Priom Das , A K M Monjur Morshed

Spectroscopic studies of aluminum monofluoride (AlF) have revealed its highly favorable properties for direct laser cooling. All $Q$ lines of the strong A$^1\Pi$ $\leftarrow$ X$^1\Sigma^+$ transition around 227~nm are rotationally closed…

During the last ice age there were several quasi-periodic abrupt warming events. The climatic effects of the so-called Dansgaard-Oeschger (DO) events were felt globally, although the North Atlantic experienced the largest and most abrupt…

Atmospheric and Oceanic Physics · Physics 2015-03-13 Raj Saha

Modal phase matching (MPM) is a widely used phase matching technique in Al$_x$Ga$_{1-x}$As and other $\chi^{(2)}$ nonlinear waveguides for efficient wavelength conversions. The use of a non-fundamental spatial mode compensates the material…

Optics · Physics 2021-12-30 Dongpeng Kang , Weiqi Zhang , Amr S. Helmy , Siyuan Yu , Liying Tan , Jing Ma