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By
Mukherjee, Suprokash
1 Citations
A general distribution theoretic treatment of the convergence of sequences involving wave functions show that the problem of nonuniqueness does not exist for the solutions of the LippmannSchwinger equation for multichannel scattering, in the eigenfunction space.
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By
Sarangi, P; Ali, S; Satpathy, L
6 Citations
The potential between two^{12}C nuclei in linear chain configuration has been calculated microscopically using the AliBodmerαα potential. This potential shows a pocket and compares well in the tail region with the phenomenological potential extracted before, from the data on the quasimolecular resonances of the^{12}C +^{12}C system. This provides support to the diatomic like rotationvibration picture of quasimolecular states.
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By
Kumar, Shailendra; Ravikumar, G; Mishra, P K; Chaddah, P; Dasannacharya, B A; Prasad, Ram; Soni, N C
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2 Citations
We have studied the variation of low field magnetization hysteresis in YBa_{2}Cu_{3}O_{7} as a function of the maximum magnetic field applied during a hysteresis cycle (1 G<H_{max}<7.3 G) and also as a function of temperature (77 K<T<95 K). The remnant magnetization is studied as a function ofH_{max} andT and the measured dependences are explained using the extended critical state model. The potential of this technique as a contactless method of probing the temperature dependence ofJ_{c} is discussed.
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By
Sinha, J P; Sinha, S K
2 Citations
The BarkerHenderson perturbation theory is used for a νdimensional fluid with squarewell potential. Analytic expressions are given for the equation of state, excess free energy per particle and internal energy. The numerical results are discussed. A significant feature is the increase of the thermodynamic properties with increasing dimensionality.
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By
Pandey, R K; Varma, V S
2 Citations
The occurrence of discontinuities in the energy spectrum of theswave Hamiltonian in three dimensionsH(μ, λ) =p^{2}/2 − 1/r + 2µr + 2λ^{2}r^{2} has been reported by us. In this communication we develop a unified understanding, based principally on the topography of the energy surfaces, of the different discontinuities we reported earlier. These discontinuities do not in general occur wherever the corresponding classical system would display catastrophic behaviour.
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By
Chakraborty, Subenoy
6 Citations
A brief account for the higher order wave function in HartleHawking (HH) proposal is given which is compared with the tunneling wave function due to Vilenkin. The probability distributions are determined for both types of wave functions. Also a class of solutions are evaluated using HH approach for KantowskiSachs metric with a scalar field and inflation is observed.
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By
Rao, K R P M
A quasicrystal of AlFe with a stoichiometric composition very close to a crystalline phase is shown to transform to the crystalline phase with simple thermal cycling from 300 K through 78 K and 300 K.
By
Choudhury, D K; Saikia, A
5 Citations
We show that the assumptions of factorizability of the structure functionF(x, t) inx andt and the equality oft evolution of the singlet and gluon distributions are not necessary to obtain the approximate solutions of AltarelliParisi equations derived by us recently.
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