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20212026
most citedAn Approximate Coupled Cluster Theory via Nonlinear Dynamics and Synergetics: the Adiabatic Decoupling Conditions

11 citations · 17 across the 9 of their papers we have counts for

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quant-ph2026

Quantum Wavefunction Augmentation via Variational Autoencoders

Sonaldeep Halder, Chayan Patra, Rahul Maitra

Sample-based quantum diagonalization (SQD) has emerged as a promising route for quantum-centric supercomputing, relying on classical diagonalization of the molecular Hamiltonian wi…

quant-ph2026★ 1 cited

Physics-Informed Generative Machine Learning for Accelerated Quantum-centric Supercomputing

Chayan Patra, Dibyendu Mondal, Sonaldeep Halder +4

Quantum centric supercomputing (QCSC) framework, such as sample-based quantum diagonalization (SQD) holds immense promise toward achieving practical quantum utility to solve challe…

quant-ph2025★ 5 cited

Energy Landscape Plummeting in Variational Quantum Eigensolver: Subspace Optimization, Non-iterative Corrections and Generator-informed Initialization for Improved Quantum Efficiency

Chayan Patra, Rahul Maitra

Variational Quantum Eigensolver (VQE) faces significant challenges due to hardware noise and the presence of barren plateaus and local traps in the optimization landscape. To mitig…

quant-ph2024

Projective Quantum Eigensolver with Generalized Operators

Dibyendu Mondal, Chayan Patra, Dipanjali Halder +1

Determination of molecular energetics and properties is one of the core challenges in the near-term quantum computing. To this end, hybrid quantum-classical algorithms are preferre…

quant-ph2024

Towards a Resource-Optimized Dynamic Quantum Algorithm via Non-iterative Auxiliary Subspace Corrections

Chayan Patra, Debaarjun Mukherjee, Sonaldeep Halder +2

Recent quantum algorithms pertaining to electronic structure theory primarily focus on threshold-based dynamic construction of ansatz by selectively including important many-body o…

quant-ph2024

Projective Quantum Eigensolver via Adiabatically Decoupled Subsystem Evolution: a Resource Efficient Approach to Molecular Energetics in Noisy Quantum Computers

Chayan Patra, Sonaldeep Halder, Rahul Maitra

Quantum computers hold immense potential in the field of chemistry, ushering new frontiers to solve complex many body problems that are beyond the reach of classical computers. How…

quant-ph2023

Machine Learning Aided Dimensionality Reduction towards a Resource Efficient Projective Quantum Eigensolver

Sonaldeep Halder, Chayan Patra, Dibyendu Mondal +1

The recently developed Projective Quantum Eigensolver (PQE) has been demonstrated as an elegant methodology to compute the ground state energy of molecular systems in Noisy Intermd…