3 papers
quant-ph2026
Symmetry conservation with Trotterization and Quantum Phase Estimation
Edith Leal-Sánchez, Fanny Vain, Jong-Kwon Ha +1
Quantum algorithms for quantum chemistry and other many-body fermionic systems work by expressing the Hamiltonian in a basis of qubits and fragmenting the Hamiltonian into a sum of…
physics.chem-ph2026
Unifying Decoherence and Phase Evolution in Mixed Quantum-Classical Dynamics through Exact Factorization
Jong-Kwon Ha, Seong Ho Kim, Seung Kyu Min
We propose mixed quantum-classical equations of motion that unify electronic coherence and phase evolution simultaneously within the exact factorization framework. Our derivation s…
quant-ph2025
Analog Quantum Simulation of Coupled Electron-Nuclear Dynamics in Molecules
Jong-Kwon Ha, Ryan J. MacDonell
Quantum computing has the potential to reduce the computational cost required for quantum dynamics simulations. However, existing quantum algorithms for coupled electron-nuclear dy…