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18 papers · 1 filter
Geometry on the Quantum Heisenberg Manifold
Partha Sarathi Chakraborty, Kalyan B. Sinha
For the quantum Heisenberg manifolds, using the action of Heisenberg group we construct a family of spectral triples. It is shown that associated Kasparov module is same for all th…
On local indistinguishability of orthogonal pure states by using a bound on distillable entanglement
Sibasish Ghosh, Guruprasad Kar, Anirban Roy +3
We show that the four states a|00>+b|11>, b^*|00>-a^*|11>, c|01>+d|10> and d^*|01>-c^*|10> cannot be discriminated with certainty if only local operations and classical communicati…
Estimation of dimension functions of band-limited wavelets
Biswaranjan Behera
The dimension function D_psi of a band-limited wavelet is bounded by n if the support of its Fourier transform is contained in the interval [-{2^(n+2)/3}pi, {2^(n+2)/3}pi]. For eac…
Seiberg Witten Map and the Axial Anomaly in Noncommutative Field Theory
Rabin Banerjee, Subir Ghosh
Using the point-splitting regularisation, we calculate the axial anomaly in an arbitrary even dimensional Non-Commutative (NC) field theory. Our result is (star) gauge invariant in…
A PT Symmetric QES Partner to the Khare Mandal Potential With Real Eigen Values
B. Bagchi, S. Mullik, C. Quesne +1
We consider a PT Symmetric Partner to Khare Mandal's recently proposed non-Hermitian potential with complex eigen values. Our potential is Quasi-Exactly solvable and is shown to po…
Entanglement teleportation via Bell Mixture
Sibasish Ghosh, Guruprasad Kar, Anirban Roy +2
We investigate the teleportation of the bipartite entangled states through two equally noisy quantum channels, namely mixture of Bell states. There is a particular mixed state chan…