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Related papers: Polarization effects in ionic solids and melts

200 papers

We describe a hybrid molecular dynamics approach for the description of ultracold neutral plasmas, based on an adiabatic treatment of the electron gas and a full molecular dynamics simulation of the ions, which allows us to follow the…

Plasma Physics · Physics 2009-11-11 T. Pohl , T. Pattard

Polarization properties of the photons emitted in the two-photon decay of hydrogen-like ions are studied within the framework of the density matrix and second-order perturbation theory. In particular, we derive the polarization correlation…

Atomic Physics · Physics 2011-08-23 Filippo Fratini , Andrey Surzhykov

Experimental measurements of interactions in ionic liquids and concentrated electrolytes over the past decade or so have revealed simultaneous monotonic and oscillatory decay modes. These observations have been hard to interpret using…

Soft Condensed Matter · Physics 2024-02-28 Timothy S. Groves , Susan Perkin

We investigate the polarization of the electron beam acquired during the inelastic resonant scattering on hydrogen-like ions initially being in the ground state. The formation and subsequent Auger decay of the intermediate (3l3l') doubly…

Atomic Physics · Physics 2025-05-09 D. M. Vasileva , K. N. Lyashchenko , O. Yu. Andreev

Ion specificity and related Hofmeister effects, ubiquitous in aqueous systems, can have spectacular consequences in hydrated clays, where ion-specific nanoscale surface forces can determine large scale cohesive, swelling and shrinkage…

Soft Condensed Matter · Physics 2022-12-02 Francis Dragulet , Abhay Goyal , Katerina Ioannidou , Roland J. -M. Pellenq , Emanuela Del Gado

The interaction between polyelectrolyte and ionic surfactant is of great importance in different areas of chemistry and biology. In this paper we present a theory of polyelectrolyte ionic-surfactant solutions. The new theory successfully…

Condensed Matter · Physics 2009-10-31 Paulo S. Kuhn , Yan Levin , Marcia C. Barbosa

This study provides the first comprehensive analysis of how ion mobility affects electron density and temperature in hypersonic flows. We compare two ion mobility models: one derived from Gupta-Yos cross-sections, and the other from swarm…

Plasma Physics · Physics 2025-01-07 Felipe Martin Rodriguez Fuentes , Bernard Parent

We present a study on the melting dynamics of neighbouring ice bodies by means of idealised simulations, focusing on collective effects, with the goal of obtaining fundamental insight into how collective interactions influence the melting…

Fluid Dynamics · Physics 2026-01-14 Sofía Angriman , Detlef Lohse , Roberto Verzicco , Sander G. Huisman

Many theoretical studies were devoted in the past to ion-specific effects, trying to interpret a large body of experimental evidence, such as surface tension at air/water interfaces and force measurements between charged objects. Although…

Soft Condensed Matter · Physics 2014-04-22 Dan Ben-Yaakov , David Andelman , Rudi Podgornik

We present a generalized theory for studying static monomer density-density correlation function (structure factor) in concentrated solutions and melts of dipolar as well as ionic polymers. The theory captures effects of electrostatic…

Soft Condensed Matter · Physics 2018-11-14 Rajeev Kumar , Bradley Lokitz , Timothy E. Long , Bobby G. Sumpter

A theoretical study of the polarization entanglement of two photons emitted in the decay of metastable ionic states is performed within the framework of density matrix theory and second-order perturbative approach. Particular attention is…

We present new results on the ionization by electron impacts in a dense plasma. We are interested in the density effect known as the ionization potential depression and in its role in atomic structure. Rather than using the well-known…

Atomic Physics · Physics 2023-09-14 Djamel Benredjem , Jean-Christophe Pain , Annette Calisti , Sandrine Ferri

Ionic liquids constrained at interfaces or restricted in subnanometric pores are increasingly employed in modern technologies, including energy applications. Understanding the details of their behavior in these conditions is therefore…

Materials Science · Physics 2018-09-25 Stefano Mossa

We present an approach to electronic polarization in molecular solids treated as a set of quantum systems interacting classically. Individual molecules are dealt with rigorously as quantum-mechanical systems subject to classical external…

Condensed Matter · Physics 2009-11-07 E. V. Tsiper , Z. G. Soos

We introduce collisions of solids as a new and efficient ionization mechanism for gas in protoplanetary disks, which especially operates in the dense midplane of protoplanetary disks. This idea is sparked by laboratory experiments where we…

Earth and Planetary Astrophysics · Physics 2022-08-03 Gerhard Wurm , Felix Jungmann , Jens Teiser

We study the attractive interactions between rod-like charged polymers in solution that appear in the presence of multi-valence counterions. The counterions condensed to the rods exhibit both a strong transversal polarization and a…

Soft Condensed Matter · Physics 2009-10-31 Francisco J. Solis , Monica Olvera de la Cruz

Electron impact ionization is critical in producing the ionospheres on many planetary bodies and, as discussed here, is critical for interpreting spacecraft and telescopic observations of the tenuous atmospheres of the icy Galilean…

Earth and Planetary Astrophysics · Physics 2023-03-22 Shane R. Carberry Mogan , Robert E. Johnson , Audrey Vorburger , Lorenz Roth

We study the response of a spherical colloid under alternating electric fields (AC-fields) by mesoscopic simulation method, accounting in full for hydrodynamic and electrostatic interactions. We focus on a special case of uncharged…

Soft Condensed Matter · Physics 2013-04-17 Jiajia Zhou , Friederike Schmid

Context: The scattering polarization of the infrared (IR) triplet of neutral oxygen (O\,\textsc{i}) near 777\,nm provides a powerful diagnostic of solar atmospheric conditions. However, interpreting such polarization requires a rigorous…

Solar and Stellar Astrophysics · Physics 2026-01-14 Moncef Derouich , Saleh Qutub

Some experimental results are discussed in connection with the properties of the central heavy ion collisions. These experiments indicate the regime changes and saturation at some values of the centrality. This phenomenon is considered to…

Nuclear Experiment · Physics 2009-04-15 Z. Wazir , M. K. Suleymanov , E. U. Khan , Mahnaz Q. Haseeb , M. Ajaz , K. H. Khan