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We have computed models of rotating relativistic stars with a toroidal magnetic field and investigated the combined effects of magnetic field and rotation on the apparent shape (i.e. the surface deformation), which could be relevant for the…

广义相对论与量子宇宙学 · 物理学 2014-02-14 Joachim Frieben , Luciano Rezzolla

Standard approaches to neoclassical theory do not extend into regions of strong gradients in tokamaks such as the pedestal and internal transport barriers. Here, we calculate the modifications to neoclassical electron physics inside strong…

等离子体物理 · 物理学 2025-08-29 Silvia Trinczek , Felix I. Parra , Peter J. Catto

Li and Rosmej derived analytical fits for the energy level shifts due to plasma screening on the basis of a free-electron potential published by Rosmej et al. one year earlier. The derivation of the fits, which were shown by Iglesias to be…

原子物理 · 物理学 2019-04-30 Jean-Christophe Pain

We analyze a recent treatment of the interaction of a magnetic quadrupole moment with a radial electric field for a non-relativistic particle in a rotating frame and show that the derivation of the equations in the paper is anything but…

量子物理 · 物理学 2020-09-01 Francisco M. Fernández

Claims by Kroha and Zawadowski in cond-mat/0105026 on inadequate approximations and an incorrect statement in cond-mat/0102150 are shown to be based on oversimplified estimates and a false quotation.

介观与纳米尺度物理 · 物理学 2007-05-23 Georg Goeppert , Hermann Grabert

In tokamak transport barriers, the radial scale of profile variations can be comparable to a typical ion orbit width, which makes the coupling of the distribution function across flux surfaces important in the collisional dynamics. We use…

等离子体物理 · 物理学 2017-04-26 Stefan Buller , Istvan Pusztai , Sarah Newton , John Omotani

I criticize the claim, made in a recent article [C. M. Bender and L. R. Mead, Eur. J. Phys. 20, 117 (1999)], that in order to obtain the correct cross section for the scattering from a two-dimensional delta-function potential one must…

数学物理 · 物理学 2009-10-31 R. M. Cavalcanti

In a rotating magnetized plasma cylinder with shear, cross-field current can arise from inertial mechanisms and from the cross-field viscosity. Considering these mechanisms, it is possible to calculate the irreducible radial current draw in…

等离子体物理 · 物理学 2019-08-30 E. J. Kolmes , I. E. Ochs , M. E. Mlodik , J. -M. Rax , R. Gueroult , N. J. Fisch

The inductive electric field is unjustifiably neglected in most models for pulsar electrodynamics; it cannot be screened by the magnetospheric plasma, and it is not small in comparison with the corotation electric field. The perpendicular…

太阳与恒星天体物理 · 物理学 2015-06-11 Donald B. Melrose , Rai Yuen

In a recent Comment, Decca et al. [Phys. Rev. A 79, 026101 (2009); arXiv:0809.3576] discussed the origin of the anomalies recently reported by us in Phys. Rev. A 78, 036102(R) (2008); arXiv:0812.0028 . Here we restate our view, corroborated…

量子物理 · 物理学 2009-11-13 W. J. Kim , M. Brown-Hayes , D. A. R. Dalvit , J. H. Brownell , R. Onofrio

Toroidal dipole, first described by Ia. B. Zeldovich [Sov. Phys. JETP 33, 1184 (1957)], is a distinct electromagnetic excitation that differs both from the electric and the magnetic dipoles. It has a number of intriguing properties: static…

光学 · 物理学 2013-10-02 V. Savinov , V. A. Fedotov , N. I. Zheludev

Recently published formulas for the calculation of radial part of overlap integrals (E.Oztekin, M.Yavuz, S.Atalay, Theor.Cmem.Acc., (2001), 106, 264) are critically analyzed. It is demonstrated that the presented in this work formulas are…

化学物理 · 物理学 2007-05-23 I. I. Guseinov

Standard formulae of classical electromagnetism for the forces between electric charges in motion derived from retarded potentials are compared with those obtained from a recently developed relativistic classical electrodynamic theory with…

经典物理 · 物理学 2009-11-11 J. H. Field

Millisecond pulsars are believed to be old pulsars spun up by a surrounding accretion disc. Magnetic fields are thought to play a leading role in this, both by determining the location of the inner edge of the disc and by exerting an…

太阳与恒星天体物理 · 物理学 2011-07-07 L. Naso , J. C. Miller

Calin Galeriu(CG) has commented [1] about our manuscript, "Doppler signature in electrodynamic retarded potentials" [2], that must be properly addressed, amending at the same time of notation errors [3] to clarify some formal aspects which…

经典物理 · 物理学 2024-03-01 Giovanni Perosa , Simone Di Mitri , William A. Barletta , Fulvio Parmigiani

We correct a partial mistake for a metric presented in the article "Lattice constellation and codes from quadratic number fields" [IEEE Trans. Inform. Theory, vol. 47, No. 4, May. 2001]. We show that the metric defined in the article is not…

信息论 · 计算机科学 2014-12-01 Murat Güzeltepe

Using the complete orthonormal basis sets of nonrelativistic and quasirelativistic orbitals introduced by the author in previous papers for particles with arbitrary spin the new analytical relations for the -component relativistic tensor…

化学物理 · 物理学 2007-12-27 I. I. Guseinov

A relation between physical consequences of the so-called Ehrenfest's Paradox and the radial electric field in the classical quasi-neutral tokamak plasma is shown. Basic author's approach to the relativistic nature of the tokamak has been…

等离子体物理 · 物理学 2011-06-30 Romannikov Alexander

This is a list of corrections for the book: J. Noguchi and T. Ochiai, Geometric Function Theory in Several Complex Variables, xi + 282 pp., Math.\ Monographs Vol.\ {\bf 80}, Amer.\ Math.\ Soc., Providence, 1990. The authors hope that this…

复变函数 · 数学 2009-09-25 J. Noguchi , T. Ochiai

We call attention to a series of mistakes in a paper by S. Nam [JHEP 10 (2000) 044, hep-th/0008083].

高能物理 - 理论 · 物理学 2010-02-03 Luiz C. de Albuquerque , R. M. Cavalcanti