Author

Ankita Das

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Preprint Aug 2026

Quantum Simulation of Nuclear Shell Model Using GCM-Based Methods on NISQ Devices

Based on the Generator Coordinate Method (GCM), we use a Quantum GCM (QuGCM) within a hybrid quantum-classical framework to simulate low-lying eigenstates of nuclear systems on quantum devices. The generator basis states are constructed from Hartree-Fock (HF) reference states, excited via symmetry-adapted unitary coupl...

Durgesh Pandey, A. Singh, Ankita Das et al. · 2 citations

Preprint Aug 2026

Scalable nuclear shell model calculations on noisy quantum computers

The exact diagonalization of the nuclear shell model scales exponentially, leading to severe memory bottlenecks in classical high-performance computing (HPC). While hybrid quantum algorithms like the Variational Quantum Eigensolver (VQE) aim to overcome these limits, their deep quantum circuits and iterative feedback l...

Durgesh Pandey, Ankita Das, P. Arumugam · 0 citations

Aug 2026

Dynamic Decoupling in Polymerized Ionic Liquids, Supercooled Melts, and Glasses

We combine dielectric and viscoelastic measurements with novel statistical mechanical theories to establish and understand strong decoupling of cation activated dynamics from the polymer segmental relaxation in polymerized ionic liquids. Weakly ion-dependent (Li, Na, K) apparent power laws with fractional exponents b...

Ankita Das, H. Singh, Shi-Nian Cheng et al. · ACS Macro Letters · 0 citations