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Electromagnetism (E&M) is often challenging for students enrolled in introductory college-level physics courses. Compared to mechanics, the mathematics of E&M is more sophisticated and the representations are more abstract. Furthermore,…

物理教育 · 物理学 2021-04-14 Alexis Olsho , Suzanne White Brahmia , Andrew Boudreaux , Trevor Smith

The adsorption of large ions from solution to a charged surface is investigated theoretically. A generalized Poisson--Boltzmann equation, which takes into account the finite size of the ions is presented. We obtain analytical expressions…

软凝聚态物质 · 物理学 2009-10-31 I. Borukhov , D. Andelman , H. Orland

Defects in semiconductors can exhibit multiple charge states, which can be used for charge storage applications. Here we consider such charge storage in a series of oxygen deficient phases of TiO$_2$, known as Magn\'eli phases. These…

材料科学 · 物理学 2016-02-10 A. C. M. Padilha , H. Raebiger , A. R. Rocha , G. M. Dalpian

Our recent arXiv preprints have described the experimental evidence for the universal occurrence of short circuit photocurrents on illumination of solid state surfaces by strongly absorbed light. A likely mechanism has been proposed based…

材料科学 · 物理学 2008-05-02 Mladen Georgiev

The papers setting upper bounds on the value of electric charge of the photon are briefly reviewed. The theoretical framework of these bounds is shown to be incomplete. Hence the bounds seem to be unreliable.

高能物理 - 唯象学 · 物理学 2007-05-23 L. B. Okun

We predict a condensation phenomenon in an overall neutral system, consisting of a single charged plate and its oppositely charged counterions. Based on the ``two-fluid'' model, in which the counterions are divided into a ``free'' and a…

软凝聚态物质 · 物理学 2016-08-31 A. W. C. Lau , D. B. Lukatsky , P. Pincus , S. A. Safran

Parameterized representations of the equation of state play an important role in efforts to measure the properties of the matter in the cores of neutron stars using astronomical observations. New representations are presented here that are…

高能天体物理现象 · 物理学 2018-07-04 Lee Lindblom

We investigate the suitability of natural orbitals as a basis for describing many-body excitations. We analyze to which extend the natural orbitals describe both bound as well as ionized excited states and show that depending on the…

其他凝聚态物理 · 物理学 2011-01-14 N. Helbig , I. V. Tokatly , A. Rubio

Despite its importance, the understanding of ionic cloud distribution close to a charged macroion under physiological salt conditions has remained very limited especially for strongly coupled systems with, for instance, multivalent…

生物物理 · 物理学 2009-05-24 Olli Punkkinen , Ali Naji , Rudolf Podgornik , Ilpo Vattulainen , Per-Lyngs Hansen

These brief comments on the article in Phys. Rev. B 93, 155116 (2016), address an inadvertent misrepresentation of the capabilities of density functional theory (DFT) and of its local density approximation (LDA) in describing electronic and…

材料科学 · 物理学 2016-10-18 Diola Bagayoko , Yacouba Issa Diakité , Chinedu E. Ekuma , Lashounda Franklin

In this paper, we derive a general formula for the quantized fractional corner charge in two-dimensional C_n-symmetric higher-order topological insulators. We assume that the electronic states can be described by the Wannier functions and…

介观与纳米尺度物理 · 物理学 2021-05-19 Ryo Takahashi , Tiantian Zhang , Shuichi Murakami

We consider asymptotics of the ground state energy of heavy atoms and molecules and derive it including Schwinger and Dirac corrections. We consider also related topics: an excessive negative charge, ionization energy and excessive negative…

数学物理 · 物理学 2017-03-29 Victor Ivrii

It is shown that the geometry of multi-electron threshold ionization in atoms depends on the initial configuration of bound electrons. The reason for this behavior is found in the stability properties of the classical fixed point of the…

原子物理 · 物理学 2009-11-13 Agapi Emmanouilidou , Peijie Wang , Jan Michael Rost

We investigate the chemical bonding characteristics of the transition metal dichalcogenides based on their static and dynamical atomic charges within Density Functional Theory. The dynamical charges of the trigonal transition metal…

Quantum physics frequently involves a need to count the states, subspaces, measurement outcomes, and other elements of quantum dynamics. However, with quantum mechanics assigning probabilities to such objects, it is often desirable to work…

量子物理 · 物理学 2020-11-26 Ivan Horváth , Robert Mendris

Probabilities of various final states are determined numerically for a number of {\ss}- decaying light atoms. In our evaluations of the final state probabilities we have used the highly accurate atomic wave functions constructed for each…

原子物理 · 物理学 2015-05-19 Alexei M. Frolov , Maria Belen Ruiz

Electrons have three quantized properties -- charge, spin, and Fermi statistics -- that are directly responsible for a vast array of phenomena. Here we show how these properties can be coherently and dynamically stripped from the electron…

强关联电子 · 物理学 2014-11-13 Maissam Barkeshli , Erez Berg , Steven Kivelson

Electron scattering will provide the most direct information about charge distribution in exotic nuclei. A technical proposal for an electron-heavy-ion collider has been incorporated in the GSI/Germany physics program (spokesperson: Haik…

核理论 · 物理学 2007-05-23 C. A. Bertulani

We present a theory that enables us to calculate the effective surface charge of colloidal particles and to efficiently obtain titration curves for different salt concentrations. The theory accounts for the shift of pH of solution due to…

软凝聚态物质 · 物理学 2022-11-01 Amin Bakhshandeh , Derek Frydel , Yan Levin

We consider the general situation of a compact relativistic body with anisotropic pressures in the presence of the electromagnetic field. The equation of state for the matter distribution is linear and may be applied to strange stars with…

广义相对论与量子宇宙学 · 物理学 2009-01-16 S. Thirukkanesh , S. D. Maharaj