22 Result(s)
within
R Srinivasan
Physics
Physics, general
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Article
The perturbation analysis of a plasma soliton in the presence of averaged complex Stenflo relaxation and Gibbons potentials
On the basis of perturbation approach, we present here the behavior of a plasma soliton, in the presence of averaged complex Stenflo relaxation and Gibbons potentials, for (1) amplitude, (2) velocity, (3) phas...
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Article
One-dimensional nuclear design analyses of the SST-2
Steady State Tokamak-2 (SST-2) will be an intermediate fusion machine before Indian DEMOnstration power reactor (DEMO) development to realise the reactor technologies. It is designed for fusion gain ...
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Article
Calculated differential and double differential cross section of DT neutron induced reactions on natural chromium (Cr)
Chromium is an important alloying element of stainless steel (SS) and SS is the main constituent of structural material proposed for fusion reactors. Energy and double differential cross section data will be r...
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Article
Second-harmonic ion cyclotron resonance heating scenarios of Aditya tokamak plasma
Plasma heating with the fast magnetosonic waves in the ion cyclotron range of frequencies (ICRF) is one of the auxiliary heating schemes of Aditya tokamak. Numerical simulation of second-harmonic resonance hea...
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Article
Vortices in Bose-Einstein condensates: A review of the experimental results
Rotating dilute Bose-Einstein condensates (BEC) of alkali atoms offer a testing ground for theories of vortices in weakly interacting superfluids. In a rotating super-fluid, quantised vortices, with a vorticit...
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Article
Even harmonics of AC susceptibility in some sintered pellets of high temperature superconductors
The real (χ′ n) and imaginary (χ″ n) parts of even harmonic susceptibility (n⩽6) are measured as a function of external DC field (H dc) in the field increasing (H↑)...
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Article
Critical current density of a sample of melt grown Y1.2Ba1.8Cu2.4O x
Melt grown samples of Y1.2Ba1.8Cu2.4O x have been prepared and studied for their current carrying capacity. The composition was chosen to include Y2BaCuO5 (211) particles in the...
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Article
Thermal conductivity of YBa2Cu3O7 from 7 K to 260 K
Thermal conductivity of YBa2Cu3O7 has been measured on samples of a few mm thickness. AboveT c thermal conductivity is found to decrease with increase in temperature, pointing towards a contributi...
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Article
Comments on “Fourier transforms of truncated quasilattices”
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Article
Specific heat of YBa2Cu3O7−x from 4.2 to 60 K
The specific heat of superconducting oxide compound, YBa2Cu3O7 −x , is studied using a quasi-adiabatic calorimeter from 4.2 to 60 K. The analysis of the specific heat data below 15 K gives a value...
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Article
Anomalous behaviour of sound velocity in the highT c superconductor YBa2Cu3O7
The longitudinal acoustic wave velocity in YBa2Cu3O7 has been measured in the range 300 to 85 K using the ultrasonic pulse superposition technique. The sound velocity shows a steep drop in its value at 260 K and ...
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Article
Enhancement of thermopower in the highT c superconductor YBa2Cu3O7 and related compounds
The absolute thermopower of single phase YBa2Cu3O7 and Y0.8Er0.2Ba2Cu3O7 has been measured in the range 250 K to the superconducting transition temperature. It is found that these compounds show a large enhanceme...
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Article
Electron transport in Chevrel phase superconductors, Cu1.8Mo6S8−y Se y , 0⩽y⩽8 and Cu1.8Mo6S8−y Te y , 0⩽y⩽4—Fit to Cote-Meisel theory
Normal state electrical resistivity of the Chevrel phase compounds of the type Cu1.8Mo6S8−y Se y , 0⩽y⩽8 and Cu1.8Mo6S8−y Te y ...
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Article
The crystal fields inα-alums—A high pressure magnetic resonance study
The origin of the crystal field and its variation with temperature in severalα-alums have been studied bynmr of27Al andepr of Cr3+ at high hydrostatic pressures and low temperatures. The results lead to an explan...
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Article
Temperature variation of the Debye-Waller factors of Ba++ and F− ions in BaF2 powder by x-ray diffraction
The temperature variation of the Debye-Waller factors of Ba++ and F− ions in BaF2 powder has been studied using x-ray powder diffraction over the temperature range 77°–298°K. A continuous flow cryostat has been s...
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Article
Molecular packing for planar molecules
The crystal packing of five planar molecules is considered in this paper. Each unit cell contains two non-equivalent molecules whose planes are inclined to each other. It is shown that the angle of inclination...
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Article
ESR study of exchange coupled pairs in copper diethyldithiocarbamate—explanation of the low temperature hyperfine anomaly
A study of the hyperfine interaction in the ESR of Cu-Cu pairs in single crystals of copper diethyldithiocarbamate as a function of temperature has shown distinct differences in the hyperfine structure in the ...
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Article
Determination of imaginary components of anomalous scattering of some elements from experimental data
Using the Bijvoet difference data reported in the literature for four compounds,viz./it, zinc sulphide, L-α-glyceryl phosphoryl ethanolamine monohydrate, 1-β-arabinofurinosyl cytosine hydrochloride and lithium al...
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Article
Site symmetry and internal strains
The determination of the internal strains on the coupling parameter approach becomes very involved particularly when the number of atoms per unit cell is very large. It is shown in this paper that a knowledge ...
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Article
Studies in molecular structure, symmetry and conformation—Part XIV. Crystal and molecular structure of L-isoleucine hydrochloride monohydrate form II
The crystal structure of a new form of L-isoleucine hydrochloride monohydrate C6H13O2NHClH2O (termed form II) has been determined using three-dimensional photographic data. This differs conformationally from the ...
