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The latest measurement of the K_S to gamma gamma branching ratio clearly shows an enhancement over the current theoretical prediction. As in other K and B meson decays, this invites to consider the possibility of the contribution of new…

高能物理 - 唯象学 · 物理学 2009-11-11 Gabriel Sanchez-Colon , Augusto Garcia

The possibility that mirror matter with masses in the several hundred GeV- TeV range exists is explored. Mirror matter appears quite naturally in many unified models of particle interactions both in GUTs and in strings often in vector-like…

高能物理 - 唯象学 · 物理学 2014-11-20 Tarek Ibrahim , Pran Nath

Resonantly forced spiral waves in excitable media drift in straight-line paths, their rotation centers behaving as point-like objects moving along trajectories with a constant velocity. Interaction with medium boundaries alters this…

斑图形成与孤子 · 物理学 2014-12-08 Jacob Langham , Irina Biktasheva , Dwight Barkley

The interaction of compact objects with an infinitely extended mirror plane due to quantum fluctuations of a scalar or electromagnetic field that scatters off the objects is studied. The mirror plane is assumed to obey either Dirichlet or…

统计力学 · 物理学 2009-11-13 Thorsten Emig

Recently [J. Haro and E. Elizalde, Phys. Rev. Lett. {\bf 97}, 130401 (2006)], a Hamiltonian formulation has been introduced in order to address some longstanding severe problems associated with the physical description of the dynamical…

高能物理 - 理论 · 物理学 2008-11-26 Jaume Haro , Emilio Elizalde

We investigate light propagation in self-gravitating systems composed of an axially symmetric, stationary, rotating dust fluid. These configurations are intrinsically relativistic, sustained entirely by their rotation, since no compact or…

广义相对论与量子宇宙学 · 物理学 2025-11-19 Matteo Luca Ruggiero , Davide Astesiano

We present bounds on mirror dark matter scenario derived by using the effect of mirror matter on the luminosity of the Sun. In the perturbative regime where the mirror matter concentration is small relative to the ordinary matter we…

高能天体物理现象 · 物理学 2020-07-01 Erez Michaely , Itzhak Goldman , Shmuel Nussinov

The mechanisms of the volume reflection of positively and negatively charged relativistic particles in a bent crystal have been analyzed. It has been shown that the empty core effect is significant for the negatively charged particles. The…

等离子体物理 · 物理学 2014-10-15 Gennady V. Kovalev

In this work linear stability analysis of a magnetized dusty plasma with an anisotropic dust component having transversal motions much stronger than motions parallel to the external magnetic field, and isotropic light plasma components is…

等离子体物理 · 物理学 2015-05-13 V. V. Prudskikh , L. V. Kostyukova , Yu. A. Shchekinov

Phenomena of wave propagation in dynamically varying structures have reemerged as the temporal variations of the medium's properties can extend the possibilities for electromagnetic wave manipulation. While the dynamical change of the…

光学 · 物理学 2023-02-08 Theodoros T. Koutserimpas , Constantinos Valagiannopoulos

We discuss a recent result about the refractive index of the vacuum and compare it with existing limits. We consider a possible connection with the dark sector.

综合物理 · 物理学 2017-06-15 Adrian C. Melissinos

The influence of fluctuating conductivity on the coefficients known from the mean-field electrodynamics is considered. If the conductivity fluctuations are assumed as uncorrelated with the turbulent velocity field then only the effective…

等离子体物理 · 物理学 2020-07-15 G. Rüdiger , M. Küker , P. J. Käpylä

The linear threshold condition of the mirror mode including weak drift and finite Larmor radius effects is analysed and shown that it can be given to arbitrary precision in closed analytical form. Combined with observations of mirror modes…

空间物理 · 物理学 2009-03-14 R. A. Treumann , O. D. Constantinescu

The contribution from quantum vacuum fluctuations of a real massless scalar field to the motion of a test particle that interacts with the field in the presence of a perfectly reflecting flat boundary is here investigated. There is no…

高能物理 - 理论 · 物理学 2018-08-03 G. H. Camargo , V. A. De Lorenci , C. C. H. Ribeiro , F. F. Rodrigues , M. M. Silva

Vacuum field fluctuations exert a radiation pressure which induces mechanical effects on scatterers. The question naturally arises whether the energy of vacuum fluctuations gives rise to inertia and gravitation in agreement with the general…

量子物理 · 物理学 2007-05-23 Marc-Thierry Jaekel , Serge Reynaud

We consider the model suggested by Wang and Unruh \cite{WangUnruh2013} for the $1+1$ D mirror moving in the quantum vacuum. We consider the relation of this model to the problem of polaron -- the electron moving in the vacuum of the quantum…

广义相对论与量子宇宙学 · 物理学 2014-10-29 G. E. Volovik , M. A. Zubkov

When a thin structure in which negative refraction occurs (a metallo-dielectric or a photonic crystal) is illuminated by a beam, the reflected and transmitted beam can undergo a large negative lateral shift. This phenomenon can be seen as…

光学 · 物理学 2015-06-03 Jessica Benedicto , Rémi Pollès , Antoine Moreau , Emmanuel Centeno

The gravitational metric tensor implies a variable dielectric tensor of vacuum around gravitational matter. The curved spacetime in general relativity is then associated with a polarizable vacuum. It is found that the number density of the…

综合物理 · 物理学 2009-03-24 Xing-Hao Ye

Mirror matter is an entirely new form of matter predicted to exist if mirror symmetry is a fundamental symmetry of nature. Mirror matter has the right broad properties to explain the inferred dark matter of the Universe and might also be…

天体物理学 · 物理学 2009-11-07 R. Foot , S. Mitra

We study quantum dissipative effects due to the non-relativistic, bounded, accelerated motion of a single neutral atom in the presence of a planar perfect mirror, i.e. a perfect conductor at all frequencies. We consider a simplified model…

量子物理 · 物理学 2022-03-16 C. D. Fosco , F. C. Lombardo , F. D. Mazzitelli