The exponential scaling of the quantum degrees of freedom with the size of the system is one of the biggest challenges in computational chemistry and particularly in quantum …
State preparation for quantum algorithms is crucial for achieving high accuracy in quantum chemistry and competing with classical algorithms. The localized active space–unitary …
SS Iyengar, TC Ricard, X Zhu - The Journal of Physical Chemistry …, 2024 - ACS Publications
We present a graph-theory-based reformulation of all ONIOM-based molecular fragmentation methods. We discuss applications to (a) accurate post-Hartree–Fock AIMD …
X Zhu, SS Iyengar - arXiv preprint arXiv:2412.03831, 2024 - arxiv.org
Computing high dimensional potential surfaces for molecular and materials systems is considered to be a great challenge in computational chemistry with potential impact in a …
D Saha, P Richerme, SS Iyengar - arXiv preprint arXiv:2412.03763, 2024 - arxiv.org
The accurate computational study of wavepacket nuclear dynamics is considered to be a classically intractable problem, particularly with increasing dimensions. Here we present two …