S N Biswas
Articles written in Pramana – Journal of Physics
Volume 23 Issue 5 November 1984 pp 607-622 Particle Physics
Are weak vector bosons composite?
S N Biswas S Rai Choudhury K Datta Ashok Goyal
Recent
Volume 24 Issue 1-2 January 1985 pp 47-51 Quantum Physics
Self-energy effect in a relativistic bound state problem
A modification of the Wick-Cutkosky equation for the relativistic bound state of two scalar particles interacting through the exchange of a massless scalar field within the ladder approximation has been considered by incorporating the self-energy diagrams in the integral kernel. An exact analytical solution of the equation is obtained at vanishing total energy and it is shown that the self-energy effects generally diminish the eigenvalues in agreement with the findings of Li
Volume 25 Issue 4 October 1985 pp 447-456 Particle Physics
Phase transition in gauge theories
In this short review we present the consequences of the spontaneously broken gauge theories will lead to when describing matter at high temperature and density. It appears various phase transitions should occur leading to the restoration of symmetry at high temperature of the originally broken one. Symmetry behaviour in external magnetic fields and in the early universe has been briefly mentioned.
Volume 27 Issue 1-2 July 1986 pp 117-127 Particle Physics
Supersymmetric classical mechanics
The purpose of the paper is to construct a supersymmetric Lagrangian within the framework of classical mechanics which would be regarded as a candidate for passage to supersymmetric quantum mechanics.
Volume 46 Issue 3 March 1996 pp 223-227 Research Articles
A
We explore the possibility of deforming Gell-Mann-Okubo (GMO) mass formula within the framework of a quantized enveloping algebra. A small value of the deformation parameter is found to provide a good fit to the observed mass spectra of the
Volume 49 Issue 2 August 1997 pp 199-204 Research Articles
Truncated harmonic oscillator and parasupersymmetric quantum mechanics
B Bagchi S N Biswas Avinash Khare P K Roy
We discuss in detail the parasupersymmetric quantum mechanics of arbitrary order where the parasupersymmetry is between the normal bosons and those corresponding to the truncated harmonic oscillator. We show that even though the parasusy algebra is different from that of the usual parasusy quantum mechanics, still the consequences of the two are identical. We further show that the parasupersymmetric quantum mechanics of arbitrary order
Volume 96, 2022
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