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A recent paper of Chen et al. claims to have derived an allegedly previously unavailable "unified" Andreev Reflection (AR) formalism for an arbitrary spin polarization P that recovers earlier results as its special limits. In this Comment…

Superconductivity · Physics 2014-07-24 M. Eschrig , A. A. Golubov , I. I. Mazin , B. Nadgorny , Y. Tanaka , O. T. Valls , Igor Zutic

We consider the two-dimensional version of Calder\`on's problem. When the D-N map is assumed to be known up to an error level $\varepsilon_0$, we investigate how the resolution in the determination of the unknown conductivity deteriorates…

Analysis of PDEs · Mathematics 2018-01-16 Giovanni Alessandrini , Andrea Scapin

In a recent paper [Phys. Rev. A 77, 062511 (2008)], it was advocated to modify the variational principle for the action-integral functional in the Runge-Gross foundation of time-dependent density-functional theory. This was criticised in a…

Other Condensed Matter · Physics 2011-05-16 J. Schirmer

In this paper, we show that using measurements for different frequencies, and using ultrasound localized perturbations it is possible to extend the method of the imaging by elastic deformation developed by Ammari and al. [Electrical…

Analysis of PDEs · Mathematics 2010-04-21 Anna Rozanova-Pierrat

In a recent paper [Physica E 39 (2007) 214, arXiv:0708.1842v1] Crisan, Grosu and Tifrea revisited the problem of the conductance through a double quantum dot molecule connected to electrodes in a T-shape configuration. The authors obtained…

Mesoscale and Nanoscale Physics · Physics 2008-06-03 P. S. Cornaglia

A critical review of experimental studies of the so-called 'slow light' arising due to anomalously high steepness of the refractive index dispersion under conditions of electromagnetically induced transparency or coherent population…

Optics · Physics 2009-11-11 E. B. Aleksandrov , V. S. Zapasskii

We respond to the recent comment [arXiv:1105.1593] on our Letter [G. G. Plunk and T. Tatsuno, Phys. Rev. Lett. 106, 165003 (2011)]. The comment claims that our argument for spectral transfer direction is incomplete. The comment gives an…

Plasma Physics · Physics 2011-06-07 G. G. Plunk , T. Tatsuno

The physical origins of the transverse optical binding force and torque beyond the Rayleigh approximation have not been clearly expressed to date. Here, we present analytical expressions of the force and torque for a dual dipolar dielectric…

Dunsiger and co-workers have criticised our paper on magnetic monopole dynamics spin ice [S. T. Bramwell et al., Nature, 461 956 (2009)]. We consider their criticisms and results but show that these do not warrant any revision of our…

Strongly Correlated Electrons · Physics 2011-11-18 S. T. Bramwell , S. R. Giblin

The comment (arXiv:2505.23490) fails to identify any scientific errors and its central arguments actually support the main conclusions of our publication [Nat. Phys. 21, 708 (2025)]. Firstly, the whole argument of the comment to try to…

Mesoscale and Nanoscale Physics · Physics 2025-09-08 Junya Feng , Henry F. Legg , Mahasweta Bagchi , Daniel Loss , Jelena Klinovaja , Yoichi Ando

To characterize the Neumann problem for nonlinear Fokker-Planck equations, we investigate distribution dependent reflecting SDEs (DDRSDEs) in a domain. We first prove the well-posedness and establish functional inequalities for reflecting…

Probability · Mathematics 2021-10-26 Feng-Yu Wang

In a recent paper by B. G. da Costa {\it et al.} [Phys. Rev. E 102, 062105(2020)], the phenomenological Langevin equation and the corresponding Fokker-Planck equation for an inhomogeneous medium with a position-dependent particle mass and…

Statistical Mechanics · Physics 2021-03-26 Jerzy Łuczka

We investigate whether the force and torque exerted by light pressure on an irregularly shaped dielectric resonator allow to detect resonant frequencies, delivering information complemental to the scattering cross section by mechanical…

Optics · Physics 2007-05-23 Henning Schomerus , Jan Wiersig , Martina Hentschel

The paper does not take into account previous work where the effect they discuss is explored in detail. It is known from this previous work that the approach is incomplete.

Nuclear Theory · Physics 2009-11-07 S. Frauendorf , K. Neergard

Electron-beam propagation experiments have been used to determine the energy and angle dependence of electron-electron (ee) scattering a two-dimensional electron gas (2DEG) in a very direct manner by a new spectroscopy method. The…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. V. Yanovsky , H. Predel , H. Buhmann , R. N. Gurzhi , A. N. Kalinenko , A. I. Kopeliovich , L. W. Molenkamp

We show that the comparison between theory and experiment, performed by Pudalov et al. in PRL 91, 126403 (2003), is not valid.

Strongly Correlated Electrons · Physics 2007-05-23 A. A. Shashkin , V. T. Dolgopolov , S. V. Kravchenko

These comments aim to correct some apparent weaknesses in the theory of field electron emission given in a recent paper about nanoscale vacuum channel transistors, and to improve the presentation of this theory. In particular, it is argued…

Mesoscale and Nanoscale Physics · Physics 2021-02-24 Richard G. Forbes

Recently D. A. R. Dalvit and S. K. Lamoreaux arXiv:0805.1676 [Phys. Rev. Lett. v.101, 163203 (2008)] suggested the modification of the reflection coefficients in the Lifshitz theory taking into account the screening effects and diffusion…

We analyze recent results on a Dirac oscillator. We show that the truncation of the Frobenius series does not yield all the eigenvalues and eigenfunctions of the radial equation. For this reason the eigenvalues reported by the authors are…

Quantum Physics · Physics 2021-01-18 Francisco M. Fernández

Dicke superradiance is essentially a case of correlated dissipation leading to the macroscopic quantum coherence. Superradiance for arrays of inverted emitters in free space requires interactions far beyond the nearest-neighbor, limiting…

Optics · Physics 2025-09-17 Jun Ren , Shicheng Zhu , Z. D. Wang