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- S.N. Bose National Centre for Basic SciencesIN60 papers
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28 papers · 1 filter
A functional central limit theorem for a class of urn models
Gopal K Basak, Amites Dasgupta
We construct an independent increments Gaussian process associated to a class of multicolor urn models. The construction uses random variables from the urn model which are differen…
Nonlocality without inequality for almost all two-qubit entangled state based on Cabello's nonlocality argument
Samir Kunkri, Sujit K. Choudhary, Ali Ahanj +1
Here we deal with a nonlocality argument proposed by Cabello which is more general than Hardy's nonlocality argument but still maximally entangled states do not respond. However, f…
dimensional Dirac equation with non Hermitian interaction
A. Sinha, P. Roy
We study dimensional Dirac equation with non Hermitian interactions, but real energies. In particular, we analyze the pseudoscalar and scalar interactions in detail, illust…
Charge and Statistics of Quasiparticles in Fractional Quantum Hall Effec
B. Basu, P. Bandyopadhyay, S. Dhar
We have studied here the charge and statistics of quasiparticle excitations in FQH states on the basis of the Berry phase approach incorporating the fact that even number of flux q…
Qubit rotation and Berry Phase
D. Banerjee, P. Bandyopadhyay
A quantized fermion can be represented by a scalar particle encircling a magnetic flux line. It has the spinor structure which can be constructed from quantum gates and qubits. We…
Pseudo-Hermitian versus Hermitian position-dependent-mass Hamiltonians in a perturbative framework
B. Bagchi, C. Quesne, R. Roychoudhury
We formulate a systematic algorithm for constructing a whole class of Hermitian position-dependent-mass Hamiltonians which, to lowest order of perturbation theory, allow a descript…