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The increasing scientific and technological interest in nanoparticles has raised the need for fast, efficient and precise characterization techniques. Powder diffraction is a very efficient experimental method, as it is straightforward and…

Materials Science · Physics 2008-12-02 A. Cervellino , C. Giannini , A. Guagliardi , M. Ladisa

We extend and investigate the spheroidal model of interstellar dust grains used to simultaneously interpret the observed interstellar extinction and polarization curves. We compare our model with similar models recently suggested by other…

Astrophysics of Galaxies · Physics 2015-05-14 H. K. Das , N. V. Voshchinnikov , V. B. Il'in

In this paper it is shown that the enhancement factor of the local electric field in metal covered ellipsoidal nanoparticles embedded in a dielectric host matrix has two maxima at two different frequencies. The second maximum for the metal…

Mesoscale and Nanoscale Physics · Physics 2017-06-23 A. A. Ismail , A. V. Gholap , Y. A. Abbo

We consider the magnetic-field dependent spatial magnetization pattern around a general impurity embedded in a Heisenberg antiferromagnet using both an analytical and a numerical spin wave approach. The results are compared to quantum Monte…

Strongly Correlated Electrons · Physics 2012-03-15 Sergey Shinkevich , Olav F. Syljuåsen , Sebastian Eggert

Significant decrease of spontaneous magnetization in frustrated one-dimensional ferro- and ferrimagnets due to non-magnetic impurities is predicted. Using the density-matrix renormalization group method and the exact diagonalization method,…

Strongly Correlated Electrons · Physics 2009-03-23 Masanori Kohno , Xiao Hu

People of a race appear different but share a 'phenotypic trait' due to a common genetic origin. Mineral particles are like humans: they appear different despite having a same geological origin. Then, do the particles have some sort of…

Soft Condensed Matter · Physics 2022-06-13 Seung Jae Lee , Moochul Shin , Chang Hoon Lee , Priya Tripathi

The use of rotational degrees of freedom of quantum systems in quantum technologies is limited by environmental effects under decoherence mechanism. Here, we study the mechanism of decoherence based on a new formalism of elastic scattering…

Quantum Physics · Physics 2022-10-13 Hamid Reza Naeij

We present a study of electron-beam evaporated Pd0.4Ni0.6 alloy thin films by means of ferromagnetic resonance measurements on extended films of varying thickness and anisotropic magnetoresistance measurements of lithographically patterned…

Strongly Correlated Electrons · Physics 2009-11-13 J. J. Gonzalez-Pons , J. J. Henderson , E. del Barco , B. Ozyilmaz

Magnetoelectric (ME) voltage coefficient was always considered independent on in-plane shape of plate layered magnetostrictive-piezoelectric composites due to the oversimplification in ME theoretical models. In this article, we present that…

Materials Science · Physics 2007-08-31 D. A. Pan , J. Lu , Y. Bai , W. Y. Chu , L. J. Qiao

Porosity is one of the key properties of dense particle packings like sediment deposits and is influenced by a multitude of grain characteristics such as their size distribution and shape. In the present work, we focus on the form, a…

Geophysics · Physics 2022-05-17 Christoph Rettinger , Ulrich Rüde , Stefan Vollmer , Roy M. Frings

A Martian meteorite, magnetic inks, drug targeting, batteries, contrasts for MRI, data storage or even clinical thermo-therapy seem to have no connection, but all have in common a dark mineral called magnetite. However, in each of these…

Soft Condensed Matter · Physics 2014-02-06 Vinicius M. Lenart , Sergio L. Gómez , Maria P. Calatayud , Gerardo R. F. Goya

Magnetic phenomena are ubiquitous in our surroundings and indispensable for modern science and technology, but it is notoriously difficult to change the magnetic order of a material in a rapid way. However, if a thin nickel film is…

We study the transmission and reflection of a plane electromagnetic wave through a two dimensional array of rf-SQUIDs. The basic equations describing the amplitudes of the magnetic field and current in the split-ring resonators are…

Optics · Physics 2015-06-23 J. -G. Caputo , I. Gabitov , A. I. Maimistov

Background: Precise measurements of atomic transitions affected by electron-nucleus hyperfine interactions offer sensitivity to explore basic properties of the atomic nucleus and study fundamental symmetries, including the search for new…

Nuclear Theory · Physics 2023-06-06 Paul-Gerhard Reinhard , Witold Nazarewicz

We have investigated particle acceleration and shock structure associated with an unmagnetized relativistic jet propagating into an unmagnetized plasma. Strong magnetic fields generated in the trailing jet shock lead to transverse…

High Energy Astrophysical Phenomena · Physics 2015-06-15 K. -I. Nishikawa , P. Hardee , B. Zhang , I. Dutan , M. Medvedev , E. J. Choi , K. W. Min , J. Niemiec , Y. Mizuno , A. Nordlund , J. T. Frederiksen , H. Sol , M. Pohl , D. H. Hartmann

The charge and magnetization distributions of the proton and neutron are encoded in their elastic electromagnetic form factors, which can be measured in elastic electron--nucleon scattering. By measuring the form factors, we probe the…

Nuclear Experiment · Physics 2011-06-15 John Arrington , Kees de Jager , Charles F. Perdrisat

The solidification of metallic droplets into powder particles involves a complex interplay between heat diffusion, surface tension, and geometric constraints. In confined, curved systems -- such as those encountered in atomisation,…

Materials Science · Physics 2026-01-13 Priti Ranjan Panda , Harish Singh Dhami , Koushik Viswanathan

The polarization ratios $F=|E_\perp|^2/|E|^2$ of beam-generated turbulent Langmuir/$\mathcal{Z}$-mode ($\mathcal{LZ}$) waves and electromagnetic emissions radiated at plasma frequency $\omega_p$ by such sources are studied in weakly…

Plasma Physics · Physics 2025-06-24 Francisco Javier Polanco-Rodríguez , Catherine Krafft , Philippe Savoini

In our previous work [J. Chem. Phys. \textbf{136}, 024502 (2012)], we reported a demixing phase transition of a two-dimensional, binary Heisenberg fluid mixture driven by the ferromagnetic interactions of the magnetic species. Here, we…

Soft Condensed Matter · Physics 2015-06-16 Ken Lichtner , Sabine H. L. Klapp

Rutherford scattering formula plays an important role in plasma classical transport. It is urgent to need a magnetized Rutherford scattering formula since the magnetic field increases significantly in different fusion areas (e.g. tokamak…

Plasma Physics · Physics 2021-01-18 Chang Jiang , Ding Li , Chao Dong
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