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Radio Telescopes (Paperback, Softcover reprint of the original 1st ed. 1966): D V Skobel'tsyn Radio Telescopes (Paperback, Softcover reprint of the original 1st ed. 1966)
D V Skobel'tsyn
R1,470 Discovery Miles 14 700 Ships in 10 - 15 working days
Theory of Interaction of Elementary Particles at High Energies (Paperback, 1974 ed.): D V Skobel'tsyn Theory of Interaction of Elementary Particles at High Energies (Paperback, 1974 ed.)
D V Skobel'tsyn
R1,521 Discovery Miles 15 210 Ships in 10 - 15 working days
Optical Studies in Liquids and Solids (Paperback, Softcover reprint of the original 1st ed. 1969): D V Skobel'tsyn Optical Studies in Liquids and Solids (Paperback, Softcover reprint of the original 1st ed. 1969)
D V Skobel'tsyn
R1,516 Discovery Miles 15 160 Ships in 10 - 15 working days

The study of the vibrations of polyatomic molecules has recently turned into one of the most widespread and powerful methods of studying molecular structure. These vibrations ap pear directly in the infrared absorption spectra and Raman spectra of gases, liquids, and solids. A measurement of the number of bands in addition to their positions (frequencies or wavelengths) offers the possibility of obtaining a great deal of important information regarding the geometric and mechanical properties of the molecules, the types of chemical bonds, and so forth. It is now quite difficult to list the vast number of specific problems solved by measuring vibrational fre quencies. As a result of the successful development of research methods and the widespread applica tion of vibrational spectra in analyzing the structures of molecules and the constitution of ma terials, it now becomes necessary to develop the theory of molecular vibrations further. Existing theory, of course, is based on the assumption of the harmonicity of molecular vi brations, which, strictly speaking, is not justified experimentally. The anharmonicity of the molecular vibrations has therefore to be taken into account by introducing appropriate approxi mations. Thus, in carrying out calculations on the vibrations of polyatomic molecules, one uses the force constants calculated from the observed frequency values. However, as a result of the anharmonicity of the vibrations, the values of the observed frequencies differ from the harmonic values, and the force constants used therefore differ from the true ones, i. e.

Radiative Recombination in Semiconducting Crystals (Paperback, 1975 ed.): D V Skobel'tsyn Radiative Recombination in Semiconducting Crystals (Paperback, 1975 ed.)
D V Skobel'tsyn
R1,500 Discovery Miles 15 000 Ships in 10 - 15 working days
Quantum Electronics in Lasers and Masers - Part 2 (Paperback, 1972 ed.): D V Skobel'tsyn Quantum Electronics in Lasers and Masers - Part 2 (Paperback, 1972 ed.)
D V Skobel'tsyn
R1,533 Discovery Miles 15 330 Ships in 10 - 15 working days
Research in Molecular Spectroscopy / Issledovaniya Po Molekulyarnoi Spektroskopii /  cc    bah    o      y   ho      t... Research in Molecular Spectroscopy / Issledovaniya Po Molekulyarnoi Spektroskopii / cc bah o y ho t (Paperback, Softcover reprint of the original 1st ed. 1965)
D V Skobel'tsyn
R1,486 Discovery Miles 14 860 Ships in 10 - 15 working days
Electronics in Experimental Physics (Paperback, Softcover reprint of the original 1st ed. 1970): D V Skobel'tsyn Electronics in Experimental Physics (Paperback, Softcover reprint of the original 1st ed. 1970)
D V Skobel'tsyn
R1,436 Discovery Miles 14 360 Ships in 10 - 15 working days
Nonlinear Optics (Paperback, Softcover reprint of the original 1st ed. 1970): D V Skobel'tsyn Nonlinear Optics (Paperback, Softcover reprint of the original 1st ed. 1970)
D V Skobel'tsyn
R1,485 Discovery Miles 14 850 Ships in 10 - 15 working days

In this paper we investigated the dynamics of the processes occurring in a Q-switched laser. This work was stimulated by the lack of data on the spatial and temporal development of generation, despite the obvious importance of such data in the use of giant light pulses in in vestigations of the nonlinear interaction of radiation and matter. From a systematic con sideration of a relatively simple model of a Q-switched laser we analytically investigated two main phases of development of the giant pulse - the phase of linear development of generation, which begins with amplification of the spontaneous emission in the modes, and the phase of nonlinear transverse development, during which the giant light pulse proper is emitted. In ad dition, fo r a thorough inve stigation of the picture of development of the pulse as a whole the equations were numerically integrated. ' Subsequent experiments [26, 27] confirmed the occurrence of transverse development of the giant pulse, while recent experiments on nonlinear amplification [28] have shown the sig nificance of this effect in the propagation of the giant pulse in a nonlinear medium. A know ledge of the transverse development of the giant pulse would appear to be essential for the exact determination of the true strength of the light field in experiments on multi photon pro cesses [29]. The developed theory also leads to recommendations for the design of lasers to generate giant light pulses of minimum length and minimum divergence of emission.

Photomesic and Photonuclear Reactions and Investigation Methods with Synchrotrons (Paperback, 1974 ed.): D V Skobel'tsyn Photomesic and Photonuclear Reactions and Investigation Methods with Synchrotrons (Paperback, 1974 ed.)
D V Skobel'tsyn
R1,460 Discovery Miles 14 600 Ships in 10 - 15 working days

This collection of articles contains a systematic outline of original experimental and theoretical research on photoproduction of neutral pions at protons and at a strongly bound system of a few nucleons, i.e., the helium nucleus. Spark chambers and their use as spectrometers for photons and electrons are described in detail. The articles of the collection include information on a novel method of determining the efficiency of recording apparatus by generating monochromatic photons. The articles de- scribe original theoretical research on the optical anisotropy of nuclei. Problems encountered in experimental studies of operating the synchrotron as a storage-type accelerator of electrons and positrons receive particular attention. The results of this research work are listed, and the problems of oppositely directed electron-positron beams in the 250-MeV synchrotron are considered. The articles should be of interest to physicists, including research workers, teachers, engineers, graduate students, and students in advanced undergraduate courses. v CONTENTS Photoproduction of Neutral Pions at Nucleons and Nuclei B. B. Govorkov, S. P. Denisov, and E. V. Minarik 0 Photoproduction of 1r Mesons at Helium and at Photon Energies of 71 160-240 MeV ...

Quantum Electronics in Lasers and Masers (Paperback, Softcover reprint of the original 1st ed. 1968): D V Skobel'tsyn Quantum Electronics in Lasers and Masers (Paperback, Softcover reprint of the original 1st ed. 1968)
D V Skobel'tsyn
R1,466 Discovery Miles 14 660 Ships in 10 - 15 working days
Photomesic and Photonuclear Processes (Paperback, 1967 ed.): D V Skobel'tsyn Photomesic and Photonuclear Processes (Paperback, 1967 ed.)
D V Skobel'tsyn
R1,452 Discovery Miles 14 520 Ships in 10 - 15 working days
Photodisintegration of Nuclei in the Giant Resonance Region (Paperback, 1967 ed.): D V Skobel'tsyn Photodisintegration of Nuclei in the Giant Resonance Region (Paperback, 1967 ed.)
D V Skobel'tsyn
R1,469 Discovery Miles 14 690 Ships in 10 - 15 working days
Studies of Nuclear Reactions (Paperback, 1966 ed.): D V Skobel'tsyn Studies of Nuclear Reactions (Paperback, 1966 ed.)
D V Skobel'tsyn
R1,451 Discovery Miles 14 510 Ships in 10 - 15 working days
Nuclear Physics and Interaction of Particles with Matter (Paperback, 1971 ed.): D V Skobel'tsyn Nuclear Physics and Interaction of Particles with Matter (Paperback, 1971 ed.)
D V Skobel'tsyn
R1,500 Discovery Miles 15 000 Ships in 10 - 15 working days
Luminescence and Nonlinear Optics (Paperback, Softcover reprint of the original 1st ed. 1973): D V Skobel'tsyn Luminescence and Nonlinear Optics (Paperback, Softcover reprint of the original 1st ed. 1973)
D V Skobel'tsyn
R1,469 Discovery Miles 14 690 Ships in 10 - 15 working days
Volume 25: Optical Methods of Investigating Solid Bodies (Paperback, 1965 ed.): D V Skobel'tsyn Volume 25: Optical Methods of Investigating Solid Bodies (Paperback, 1965 ed.)
D V Skobel'tsyn
R1,477 Discovery Miles 14 770 Ships in 10 - 15 working days

The principal results of the work are as follows: 1. A simplified technique was devised for obtaining Raman spectra of powders. 2. The Raman and infrared absorption spectra of the following oxides were investigated: AsP3' SbP3' As 0 * SbP5. Te02. Ge02 (two forms) in the crystalline state, and ASP3' Ge02' Te0 in the glassy state. 2 5 2 3. The vibrational spectra of the crystalline and glassy forms of the oxides ASP3' Ge02' Te02 are simi- lar in many main respects, indicating a similarity of their structural units which determine the vibrational spec- tra of these substances. 4. By a study of the vibrational spectrum it was shown that arsenious anhydride has a molecular structure and consists of As0 molecules having symmetry of the point group Td' The force constants and vibration fre- 4 6 quencies of the As 0 molecule were calculated. and the vibrational spectrum of arsenious anhydride was re- 4 6 liably interpreted with the aid of these results. 5. A similar result was obtained for antimonous anhydride. consisting of Sb0 molecule.s with symmetry 4 6 ofthe point group Td. The force constants for this molecule were found and the vibrational spectrum was calculated.

Electrical and Optical Properties of Semiconductors (Paperback, Softcover reprint of the original 1st ed. 1968): D V... Electrical and Optical Properties of Semiconductors (Paperback, Softcover reprint of the original 1st ed. 1968)
D V Skobel'tsyn
R1,483 Discovery Miles 14 830 Ships in 10 - 15 working days
Soviet Researches on Luminescence (Paperback, Softcover reprint of the original 1st ed. 1964): D V Skobel'tsyn Soviet Researches on Luminescence (Paperback, Softcover reprint of the original 1st ed. 1964)
D V Skobel'tsyn
R1,463 Discovery Miles 14 630 Ships in 10 - 15 working days

It is well known that luminescence is the term used to describe the excess radiation from a body over and above the thermal radiation and persisting for a time which greatly exceeds the period of a light vibration. The first half of this definition, proposed by Wiedemann, distinguishes luminescence from equilibrium thermal radi ation; the second half, introduced by Vavilov, distinguishes luminescence from various forms of scattering and from induced radiation, such as Vavilov-Cherenkov radiation, etc. Distinctions are made between photo-, cathodo-, x-ray-, and other forms ofluminescence, depending on how energy is introduced into the luminescent body. Electroluminescence is the name given to that form of fluorescence in which the radiating body receives energy directly from an electric field. It should be noted that luminescence under the influence of cathode rays is not called electroluminescence, because in this case the necessary energy is not supplied directly from the electric field to the radiating body but by means of extraneous electrons. Electroluminescence of gaseous bodies (radiation from a gas discharge) has been known for a long time and is widely used in luminescent lamps and gas discharge tubes. In 1923 Losev [1J observed radiation from silicon carbide crystals when a voltage was applied to them di rectly.

Soviet Maser Research (Paperback, 1964 ed.): D V Skobel'tsyn Soviet Maser Research (Paperback, 1964 ed.)
D V Skobel'tsyn
R1,477 Discovery Miles 14 770 Ships in 10 - 15 working days
Cosmic Rays and Nuclear Interactions at High Energies (Paperback, 1971 ed.): D V Skobel'tsyn Cosmic Rays and Nuclear Interactions at High Energies (Paperback, 1971 ed.)
D V Skobel'tsyn
R1,496 Discovery Miles 14 960 Ships in 10 - 15 working days
Experimental Physics - Methods and Apparatus (Paperback, 1969 ed.): D V Skobel'tsyn Experimental Physics - Methods and Apparatus (Paperback, 1969 ed.)
D V Skobel'tsyn
R1,477 Discovery Miles 14 770 Ships in 10 - 15 working days
Electroluminescence / Elektrolyuminestsentsiya / - Proceedings (Trudy) of the P. N. Lebedev Physics Institute (Paperback,... Electroluminescence / Elektrolyuminestsentsiya / - Proceedings (Trudy) of the P. N. Lebedev Physics Institute (Paperback, Softcover reprint of the original 1st ed. 1972)
D V Skobel'tsyn
R1,453 Discovery Miles 14 530 Ships in 10 - 15 working days
Surface Properties of Semiconductors and Dynamics of Ionic Crystals (Paperback, 1971 ed.): D V Skobel'tsyn Surface Properties of Semiconductors and Dynamics of Ionic Crystals (Paperback, 1971 ed.)
D V Skobel'tsyn
R1,475 Discovery Miles 14 750 Ships in 10 - 15 working days
Programming and Computer Techniques in Experimental Physics (Paperback, 1970 ed.): D V Skobel'tsyn Programming and Computer Techniques in Experimental Physics (Paperback, 1970 ed.)
D V Skobel'tsyn
R1,449 Discovery Miles 14 490 Ships in 10 - 15 working days
Optical Properties of Metals and Intermolecular Interactions / Opticheskie Svoistva Metallov / Mezhmolekulyarnoe Vzaimodeistvie... Optical Properties of Metals and Intermolecular Interactions / Opticheskie Svoistva Metallov / Mezhmolekulyarnoe Vzaimodeistvie / / (Paperback, 1973 Ed.)
D V Skobel'tsyn
R1,498 Discovery Miles 14 980 Ships in 10 - 15 working days

The first part of this collection sets out the results of some experimental and theoretical investigations into the optical properties of nontransition metals. The extensive future pros- pects of metal optics are indicated; the use of metal optics enables a whole series of import- ant electron properties of metals to be determined. Results obtained by studying intermolecular forces (the hydrogen bond and van der Waals forces) using spectroscopic methods (Raman effect and infrared absorption) are presented in the second part. A method of studying the true absorption of the drop phase of a water cloud is described. Methods of increasing the dispersion of manufactured spectral instruments and constructing various infrared spectrometers are indicated. The publication is intended for scientific workers, graduates, and students concerned with problems of metal optics, the electron properties of metals, and molecular spectroscopy. v CONTENTS OPTICAL PROPERTIES OF NONTRANSITION METALS G. P. Motulevich Introduction .**.*...* " ...*...**. 1 Chapter I. Method of the Kinetic Equation in Metal Optics...5 1. Kinetic equation for the infrared part of the spectrum *.*..*...*...**.**.. 5 2. Anomalous skin effect . * ...* . * . . * ...* . . * * * * * ...* . . * ...9 3. Normal skin effect * * ...* ...* * . * ...* * * ...* ...11 . . * ...4. Weakly anomalous skin effect...* * * * ...* * ...* ...* . 13 ...

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