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- Saha Institute of Nuclear PhysicsIN15 papers
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64 papers · 1 filter
S-duality Action on Discrete T-duality Invariants
Shamik Banerjee, Ashoke Sen
In heterotic string theory compactified on T^6, the T-duality orbits of dyons of charge (Q,P) are characterized by O(6,22;R) invariants Q^2, P^2 and Q.P together with a set of inva…
Physics with Beta-Beam
Sanjib Kumar Agarwalla, Sandhya Choubey, Amitava Raychaudhuri
A Beta-beam would be a high intensity source of pure and/or flux with known spectrum, ideal for precision measurements. Myriad of possible set-ups with suitable cho…
Duality Orbits, Dyon Spectrum and Gauge Theory Limit of Heterotic String Theory on T^6
Shamik Banerjee, Ashoke Sen
For heterotic string theory compactified on T^6, we derive the complete set of T-duality invariants which characterize a pair of charge vectors (Q,P) labelling the electric and mag…
Fractal Dimensions of a Weakly Clustered Distribution and the Scale of Homogeneity
J. S. Bagla, Jaswant Yadav, T. R. Seshadri
Homogeneity and isotropy of the universe at sufficiently large scales is a fundamental premise on which modern cosmology is based. Fractal dimensions of matter distribution is a pa…
First principles study of Sc, Ti and V doped Na(n =4, 5, 6) clusters: Enhanced magnetic moments
Kalpataru Pradhan, Prasenjit Sen, J. U. Reveles +1
Theoretical studies on the geometry, electronic structure and spin multiplicity of Sc, Ti and V doped Na (n = 4, 5, 6) clusters have been carried out within a gradient correcte…
SU(6), Triquark states, and the pentaquark
Swarup Kumar Majee, Amitava Raychaudhuri
The purported observation of a state with strangeness S = +1 led to its quark model interpretation in terms of a pentaquark combination involving a triquark-diquark structure…