10 citations · 19 across the 13 of their papers we have counts for
13 papers
Mass-anisotropy driven stripe pattern formation and directional modulational instability in polariton condensate
Hari Sadhan Ghosh, Soumyadeep Halder, Subrata Das +1
Motivated by recent experimental advances toward electrical control of the effective mass and the realization of anisotropic mass distributions, we investigate the impact of mass a…
Robust Genuine Multipartite Entanglement in Two Walker Quantum Walks
Sandipan Hazra, Tamoghna Das, Sougato Bose +1
Discrete-time quantum walks provide a versatile framework for investigating the generation, redistribution, and transport of quantum correlations in composite quantum systems. Here…
Marked vertex search on disordered graphs with Rosenzweig-Porter phases
Sabyasachi Chakraborty, Tilen Cadez, Sonjoy Majumder +1
Quantum marked vertex search algorithms are known to outperform their classical counterparts, yet their behavior in the presence of disorder remains largely unexplored. Here, we ad…
Response of a dipolar BEC to Laguerre-Gaussian beam driven STIRAP
Deepu Singh, Hari Sadhan Ghosh, Arpana Saboo +2
Coherent light-matter coupling via STIRAP can offer a versatile route to nucleate quantized vortices in Bose-Einstein condensates through the orbital angular momentum transfer from…
Rotation-triggered Kelvin-Helmholtz and counter-superflow instabilities in a three-component Bose-Einstein condensate
Susovan Giri, Arpana Saboo, Hari Sadhan Ghosh +2
Interfacial hydrodynamic instabilities in multicomponent superfluids provide a versatile platform to explore nonequilibrium quantum dynamics beyond classical fluid analogues. We st…
Multi Messenger Study of GRB 221009A with VHE Gamma-ray and Neutrino Afterglow from a Gaussian Structured Jet
T. Mondal, S. Razzaque, Jagdish C. Joshi +2
Recent detections of very-high-energy (VHE; ) emission from GRB afterglows, most notably the unprecedented brightness of GRB~221009A observed by LHAASO, reve…
Quantum circuit model for continuous-time quantum walks on random graphs
Sabyasachi Chakraborty, Rohit Sarma Sarkar, Sonjoy Majumder +1
Quantum-circuit implementations of continuous-time quantum walks (CTQWs) can provide an efficient route to model graph-based algorithms. However, constructing circuits that faithfu…
Blockwise Optimization for Projective Variational Quantum Dynamics (BLOP-VQD): Algorithm and Implementation for Lattice Systems
Harshdeep Singh, Sonjoy Majumder, Sabyashachi Mishra
We present an efficient approach to simulate real-time quantum dynamics using Projected Variational Quantum Dynamics (PVQD), where the computational cost is reduced by strategicall…
Scalable quantum circuit simulation of a chaotic Ising chain
Sabyasachi Chakraborty, Rohit Sarma Sarkar, Sonjoy Majumder
The recent advancements in out-of-time-ordered correlator (OTOC) measurements have provided a promising pathway to explore quantum chaos and information scrambling. However, despit…
Dissipation in fermionic two-body continuous-time quantum walk under the steepest entropy ascent formalism
Rohit Kishan Ray, R. Srikanth, Sonjoy Majumder
Quantum walks play a crucial role in quantum algorithms and computational problems. Many-body quantum walks can reveal and exploit quantum correlations that are unavailable for sin…
Roadmap to vortex nucleation below critical rotation frequency in a dipolar Bose-Einstein condensate
Soumyadeep Halder, Hari Sadhan Ghosh, Arpana Saboo +2
The formation of quantized vortices in a superfluid above a certain critical trap rotation frequency serves as a hallmark signature of superfluidity. Based on the beyond mean field…
SHARC-VQE: Simplified Hamiltonian Approach with Refinement and Correction enabled Variational Quantum Eigensolver for Molecular Simulation
Harshdeep Singh, Sonjoy Majumder, Sabyashachi Mishra
The transformation of a molecular Hamiltonian from the fermionic space to the qubit space results in a series of Pauli strings. Calculating the energy then involves evaluating the…
Hückel Molecular Orbital Theory on a Quantum Computer: A Scalable System-Agnostic Variational Implementation with Compact Encoding
Harshdeep Singh, Sonjoy Majumder, Sabyashachi Mishra
Hückel molecular orbital (HMO) theory provides a semi-empirical treatment of the electronic structure in conjugated π-electronic systems. A scalable system-agnostic execution of HM…