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43 papers · 1 filter
Topological field patterns of the Yang-Mills theory
E. Harikumar, Indrajit Mitra, H. S. Sharatchandra
It is shown that the SO(3) gauge field configurations can be completely characterised by certain gauge invariant vector fields. The singularities of these vector fields describe th…
The Quantum Query Complexity of 0-1 Knapsack and Associated Claw Problems
V. Arvind, Rainer Schuler
We first give an quantum algorithm for the 0-1 Knapsack problem with variables. More generally, for 0-1 Integer Linear Programs with variables and inequali…
Implications on neutrino oscillation plus decay from recent solar neutrino data
D. Indumathi
Recently the Sudbury Neutrino Observatory (SNO) has measured both the rates as well as the day-night asymmetries in the flux of neutrinos from the Sun in the charged-current (CC),…
Cohomology of toric bundles
P. Sankaran, V. Uma
We describe the singular cohomology ring, the K-ring of complex vector bundles, the Chow ring, and the Grothendieck ring of coherent sheaves of the total space of the fibre bundle…
A Discrete Time Presentation of Quantum Dynamics
G. Date
Inspired by the discrete evolution implied by the recent work on loop quantum cosmology, we obtain a discrete time description of usual quantum mechanics viewing it as a constraine…
Harmonically trapped fermion gases: exact and asymptotic results in arbitrary dimensions
Matthias Brack, M. V. N. Murthy
We investigate the particle and kinetic energy densities of harmonically trapped fermion gases at zero temperature in arbitrary dimensions. We derive analytically a differential eq…