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Some characteristic features in the radiation from a relativistic electron uniformly rotating along an equatorial orbit around a dielectric ball have been studied. It was shown that at some harmonics, in case of weak absorption of radiation…

高能物理 - 理论 · 物理学 2009-11-11 L. Sh. Grigoryan , H. F. Khachatryan , S. R. Arzumanyan , M. L. Grigoryan

We study the angular distribution of the radiation from a relativistic charged particle uniformly rotating along an equatorial orbit around a dielectric ball. Earlier it was shown that for some values of the problem parameters and in the…

The abnormally intense radiation due to the uniform rotation of electron around the equatorial plane of a dielectric sphere is obtained. It takes place when the sphere surface is at a specific distance from the electron orbit and when the…

凝聚态物理 · 物理学 2007-05-23 L. Sh. Grigoryan , H. F. Khachatryan , S. R. Arzumanyan

The radiation from a relativistic charged particle uniformly moving through the centre of a dielectric ball is investigated. Analytical expressions for spectral and spectral-angular distributions of the radiated energy are derived and…

经典物理 · 物理学 2015-05-28 Svetlana R. Arzumanyan

A relativistic electron uniformly rotating along a shifted equatorial orbit about a dielectric ball may generate microwave Cherenkov radiation tens of times more intense as that generated at the revolution in a continuous, infinite and…

经典物理 · 物理学 2010-07-19 L. Sh. Grigoryan , H. F. Khachatryan , S. R. Arzumanyan , M. L. Grigoryan

We investigate the electromagnetic radiation from a chain of relativistic charged particles uniformly rotating along equatorial orbit around a dielectric ball. For weak absorption of radiation in the ball material, at certain rotation…

A relativistic electron uniformly rotating along an equatorial orbit around a dielectric ball may generate Cherenkov radiation tens of times more intense as that in case of revolution of a particle in a continuous, infinite and transparent…

经典物理 · 物理学 2010-07-19 S. R. Arzumanyan , L. Sh. Grigoryan , H. F. Khachatryan , M. L. Grigoryan

We have calculated the intensity of electromagnetic radiation from particles rotating in close vicinity to a transparent dielectric plate. The radiation is a result of quantum and thermal friction occurring during particle rotation, while…

量子物理 · 物理学 2016-08-26 G. V. Dedkov , A. A. Kyasov

The radiation generated by a charged longitudinal oscillator moving with a constant drift velocity along the axis of a dielectric cylinder immersed in a homogeneous medium is investigated. For an arbitrary oscillation law a formula is…

高能物理 - 理论 · 物理学 2015-06-26 Aram A. Saharian , Anna S. Kotanjyan

The radiation emitted by a charged particle moving along a helical orbit inside a dielectric cylinder immersed into a homogeneous medium is investigated. Expressions are derived for the electromagnetic potentials, electric and magnetic…

高能物理 - 理论 · 物理学 2011-07-19 A. A. Saharian , A. S. Kotanjyan

Diffusive Radiation is a new type of radiation predicted to occur in randomly inhomogeneous media due to the multiple scattering of pseudophotons. This theoretical effect is now observed experimentally. The radiation is generated by the…

A new elementary mechanism of radiation due to the oscillatory character of a radiation reaction force appearing when a relativistic charged particle moves along a periodic structure without external fields is investigated. It is shown that…

加速器物理 · 物理学 2007-05-23 Anatoliy Opanasenko

A theory of thermal and nonthermal radiation in a vacuum background of arbitrary temperature generated by relativistic polarizable particle with spin is proposed. When the particle rotates, radiation is produced by vacuum fluctuations even…

介观与纳米尺度物理 · 物理学 2014-12-17 A. A. Kyasov , G. V Dedkov

The Cerenkov radiation of a neutral particle with magnetic moment is considered, as well as the spin-dependent contribution to the Cerenkov radiation of a charged spinning particle. The corresponding radiation intensity is obtained for an…

经典物理 · 物理学 2009-11-13 I. B. Khriplovich

In this paper, the electromagnetic radiation from an oscillating particle placed in the vicinity of an object of size comparable to the wavelength is studied. Although this problem may seem academic at first sight, the details of the…

A radiation-ball solution which is identified as a Reissner-Nordstrom black hole is found out. The radiation-ball, which is derived by analyzing the backreaction of the Hawking radiation into space-time, consists of radiation trapped in a…

高能物理 - 理论 · 物理学 2007-05-23 Yukinori Nagatani

The radiation arising under uniform motion of non-relativistic charged particle by (or through) perfectly conducting sphere is considered. The rigorous results are obtained using the method of images known from electrostatics.

加速器物理 · 物理学 2017-07-11 N. F. Shul'ga , V. V. Syshchenko , E. A. Larikova

The formulas which describe the time evolution of radiation produced by a relativistic particle moving in a crystal are derived. It is shown that the conditions are realizable under which parametric (quasi-Cherenkov) radiation, transition…

加速器物理 · 物理学 2011-01-24 V. G. Baryshevsky , A. A. Gurinovich

The law of photon radiation from electron beams passing through a photonic crystal in the presence of an undulator is considered. The spectral-angular distribution and the time evolution of radiation is found. It is shown that the…

光学 · 物理学 2013-06-12 V. G. Baryshevsky , A. A. Gurinovich

We have theoretically shown that the yield of diffuse radiation generated by relativistic electrons passing random multilayered systems can be increased when a resonant condition is met. Resonant condition can be satisfied for the…

加速器物理 · 物理学 2009-11-11 Zh. S. Gevorkian , J. Verhoeven
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