Analytical properties of the polarization operator and dispersion relations for of a photon in an external non-abelian field

Thresholds of photoproduction of SU(2) color quarks in an external field are determined. Analyticity of the polarization operator in a chromomagnetic field is studied. The dispersion relation for the trace of the polarization operator of a photon with an internal quark loop is derived. M. E. Rasulzade Baku State University; M. V. Lomonosov Moscow State University. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 6, pp. 11–16, June, 2000.     

Features of the magnetocaloric effect of Mn12−Ac in ultra-strong magnetic fields

A theoretical analysis is made of the behavior of the magnetocaloric effect of the high-spin organic cluster Mn₁₂−Ac in ultra-strong magnetic fields. Features of the effect which are attributable to intersection of the lower energy levels of the cluster in strong magnetic fields are examined. Moscow Institute of Electronics (Engineering University), Moscow. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, Vol. 42, No. 1, pp. 63–66, January, 1999.     

Specific features of the generation of aqueous solutions of Rhodamine 6G in laser pumping

M. V. Lomonosov Moscow State University, Vorob'yovy Gory, Moscow, 119899, Russia. Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 63, No. 2, pp. 236–241, March–April, 1996.     

Effect of oxygen on the optical properties of ZnSe in the region of 0.44–20 μm

Moscow Power Engineering Institute, 14, Krasnokazarmennaya Str., Moscow, GSP, 105835, Russia. Translated from Zhurnal Prikladnois Spektroskopii, Vol. 63, No. 4, pp. 646–651, July–August, 1996.     

Excitation cross-sections of erbium-atom resonance lines

Moscow Power Institute, 14, Krasnokazarmennaya Str., E-250, Moscow, 105835. Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 63, No. 6, pp. 883–888, November–December, 1996.     

Relation between E2-transition probabilities for nuclei that are soft with respect to β vibrations

For collective even-even nuclei, a relation between the E2-transition probabilities, which characterize the decay properties of For collective even-even nuclei, a relation between the E2-transition probabilities, which characterize the decay properties of and 2 _γ ⁺ states, are obtained. This relation features no free parameters; it is applicable to describing nuclei that are soft with respect to β vibrations. The ¹⁵²Sm and ¹⁵⁴Gd nuclei are considered as examples illustrating the application of the aforementioned relation. __________ Translated from Yadernaya Fizika, Vol. 63, No. 4, 2000, pp. 633–637. Original Russian Text Copyright ? 2000 by Jolos, Palchikov.     

A comparative analysis of angular distributions of synchrotron radiation calculated within classical and quantum theories. Polarized boson radiation

The spectral-angular distributions of polarization components of synchrotron radiation calculated in the context of classical and quantum theories are compared in detail. __________ Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 12, pp. 52–58, December, 2005.     

Nonlinear increments to the refractive index in photorefractive planar waveguides based on cubic noncentrosymmetric crystals

Nonlinear increments to the refractive index in photorefractive planar waveguides based on cubic noncentrosymmetric crystals are calculated. A dependence of the nonlinear increment on the waveguide radiation polarization and crystal orientation is demonstrated. __________ Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 5, pp. 8–14, May, 2006.     

On the mechanism of current instability in organic semiconductors

A mechanism responsible for current instability effects at the metal — organic film — aqueous solution of organic semiconductor interface is developed and discussed. __________ Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 11, pp. 3–5, November, 2005.     

One-loop corrections of orders (Zα)6m1/m2 and (Zα)7 to the fine structure of muonium

Corrections of orders (Zα)⁶ m ₁/m ₂ and (Zα ⁷ from one-loop two-photon amplitudes to the energy spectra of hydrogen-like atoms are calculated by expanding the relevant integrand in a Taylor series. A method for averaging the resulting quasipotential in the d-dimensional coordinate representation is formulated. Numerical values are obtained for the corresponding contributions to the fine structure of the muonium, hydrogen, and positronium atoms. __________ Translated from Yadernaya Fizika, Vol. 66, No. 9, 2003, pp. 1767–1777. Original Russian Text Copyright ? 2003 by Martynenko, Faustov.     

Rotation of the polarization plane of waves in anisotropic media

Conditions under which rotation of the wave polarization plane is observed are formulated for anisotropic media with various symmetry types. The results may be of interest in solution of the inverse problem of constructing model geophysical media from an observed polarization plane rotation effect. Institute of Planetary Geophysics, Russian Academy of Sciences: Moscow Institute of Radioengineering, Electronics and Automation (Technical University); Moscow Academy of Instrumentation and Informatics. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 5, pp. 82–89, May, 1996.     

Spectral and polarization properties of a composite material with filler of plant origin

Based on a filler of plant origin, we have developed a new composite material and have studied its spectral and polarization properties. We suggest a direction for application of the synthesized material. __________ Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 75, No. 3, pp. 419–421, May–June, 2008.     

Substantiation of the design strength parameters for a service-lifetime test stand

Based on computations of strength parameters, the main units and mechanisms of a service-lifetime test stand for cardan joints are designed. __________ Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 11, pp. 74–79, November, 2007.     

Polarization of Two Identical Atoms in an Electric Field

The polarization of two atoms which are in a linearly polarized monochromatic field and in a field of optical pulses is calculated. The problem is solved for the 2s→3p transitions taking into account the initial states of the atoms. __________ Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 7, pp. 57–59, July, 2005.     

Investigation of the durability of secondary polyolefins in aggressive media

Results of tests of secondary polyethylene and polypropylene used for manufacturing collectors of purification works for industrial enterprises are considered for various aggressive media. __________ Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 11, pp. 94–95, November, 2007.     

Dipole-Dipole Interaction of Two Atoms in the Field of Squared Pulses

A dipole-dipole interaction between two identical atoms in the field of squared pulses is examined. The polarization of the system corresponding to the 2s→3p transition at various initial states of the atoms is calculated. __________ Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 5, pp. 34–39, May, 2005.     

Dimensional effects in nanosized layers under establishing polarization in hydrogen-bonded crystals

The dimensional effects occurring in nanosized crystal layers under proton relaxation are studied by thermopolarization. The calculations are performed in the quasi-classical approximation using the density-matrix method. __________ Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 11, pp. 6–15, November, 2005.     

Thermodepolarization Analysis of Aluminum — Anodic Aluminum Oxide Electret Systems

Aluminum — anodic aluminum oxide electret systems prepared under widely varying oxidation conditions are studied in the present work by the methods of thermodepolarization analysis in combination with oxide partitioning. Energy spectra of polarization oxide state, volumetric charge distribution with the oxide thickness, total and partial charges transferred by the thermostimulated depolarization current, and the charge distribution with the activation energy of the thermostimulated depolarization current are examined. Contributions of the dipole relaxation and volumetric charge polarization decays to the total charge transferred by the thermostimulated depolarization current and the fundamental role of the negative volumetric charge in the formation and relaxation of the electret aluminum oxide state are discussed. __________ Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 8, pp. 59–63, August, 2005.     

Approximate solution of the Dirac equation in the transverse focusing and longitudinal periodic fields of a crystal

The solution of the Dirac equation is obtained for a relativistic electron in the focusing and periodic electrostatic fields modeling the field at the axis or plane of a crystal. Moscow Power Institute. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 11, pp. 66–69, November, 1998.     

On source radiation in an isotropic chiral medium

Radiation of external electric and magnetic sources in an isotropic chiral medium is studied by means of decomposition of the electromagnetic field into wave fields of circular polarization and introduction of the corresponding combined sources. The elementary-source fields are calculated using the Green’s function. The wave-field energy flux is discussed. __________ Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 9, pp. 87–90, September, 2006.