6 citations · 8 across the 10 of their papers we have counts for
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On the path integral simulation of space-time fractional Schroedinger equation with time independent potentials
Sumita Datta, Radhika Prosad Datta
In this work a Feynman-Kac path integral method based on Levy measure has been proposed for solving the Cauchy problems associated with the space-time fractional Schroedinger equat…
Quantum Simulation of non-Born-Oppenheimer dynamics in molecular systems by path integrals
Sumita Datta
A numerical algorithm based on the probabilistic path integral approach for solving Schroedinger equation has been devised to treat molecular systems without Born-Oppenheimer appro…
Computing quantum correlation functions by Importance Sampling method based on path integrals
Sumita Datta
An importance sampling method based on Generalized Feynman-Kac method has been used to calculate the mean values of quantum observables from quantum correlation functions for many…
Path Integral Estimates of the Quantum Fluctuations of the Relative Soliton-Soliton Velocity in a Gross-Pitevskii Breather
Sumita Datta, Vanja Dunjko, Maxim Olshanii
In this paper, the quantum fluctuations of the relative velocity of constituent solitons in a Gross-Pitaevskii breather are studied. The breather is confined in a weak harmonic tra…
Nodal structures of few electron atoms
S Datta, J M Rejcek, J. L. Fry
In this paper the nodal structure for He atom is revisited and a procedure for identifying the symmetry properties and nodal structure of the time and spin independent Schroedinger…
The He atom revisited
S Datta, J M Rejcek, J. L. Fry
In the Feynman-Kac[1] path integral approach the eigenvalues of a quantum system can be computed using Wiener measure which uses Brownian particle motion. In our previous work[2-3]…