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10 papers · 2 filters
Coherent States for the Non-Linear Harmonic Oscillator
Subir Ghosh
Wave packets for the Quantum Non-Linear Oscillator are considered in the Generalized Coherent State framerwork. To first order in the non-linearity parameter the Coherent State beh…
Optimal reducibility of all Stochastic Local Operation and Classical Communication equivalent W states
Swapan Rana, Preeti Parashar
We show that all multipartite pure states that are SLOCC equivalent to the -qubit state, can be uniquely determined (among arbitrary states) from their bipartite marginals.…
On Admissible States of Quantum Fourier Transform
Arpita Maitra, Santanu Sarkar
We present a general methodology to obtain the basis of qudits which are admissible to Quantum Fourier Transform (QFT). We first study this method for qubits to characterize the en…
Nonsingular potentials from excited state factorization of a quantum system with position dependent mass
Bikashkali Midya
The modified factorization technique of a quantum system characterized by position-dependent mass Hamiltonian is presented. It has been shown that the singular superpotential defin…
Quantum phases and dynamics of geometric phase in a quantum spin chain system under linear quench
Sujit Sarkar, B. Basu
We study the quantum phases of anisotropic XY spin chain system in presence and absence of adiabatic quench. A connection between geometric phase and criticality is established fro…
QuECT: A New Quantum Programming Paradigm
Arnab Chakraborty
Quantum computation constitutes a rapidly expanding subfield of computer science. Development quantum algorithms is facilitated by the availability of efficient quantum programming…