collaborators

6 papers

quant-ph2026

ffsim: Faster simulation of fermionic quantum circuits

Kevin J. Sung, Inho Choi, Mirko Amico +14

We present ffsim, an open-source software library for fast simulation of fermionic quantum circuits. ffsim exploits conservation of particle number and the z component of spin, sym…

physics.chem-ph2025

Sample-based quantum diagonalization as parallel fragment solver for the localized active space self-consistent field method

Qiaohong Wang, Mario Motta, Ruhee D'Cunha +7

Accurately and efficiently describing strongly correlated electronic systems is a central challenge in quantum computational chemistry, with classical and quantum computers. The lo…

quant-ph2025

Improved parameter initialization for the (local) unitary cluster Jastrow ansatz

Wan-Hsuan Lin, Fangchun Liang, Mario Motta +3

The unitary cluster Jastrow (UCJ) ansatz and its variant known as local UCJ (LUCJ) are promising choices for variational quantum algorithms for chemistry due to their combination o…

quant-ph2025

Quantum-centric simulation of hydrogen abstraction by sample-based quantum diagonalization and entanglement forging

Tyler Smith, Tanvi P. Gujarati, Mario Motta +11

The simulation of electronic systems is an anticipated application for quantum-centric computers, i.e. heterogeneous architectures where classical and quantum processing units oper…

quant-ph2025

Enhancing the accuracy and efficiency of sample-based quantum diagonalization with phaseless auxiliary-field quantum Monte Carlo

Don Danilov, Javier Robledo-Moreno, Kevin J. Sung +2

Quantum Selected Configuration Interaction (QSCI) and an extended protocol known as Sample-based Quantum Diagonalization (SQD) have emerged as promising algorithms to solve the ele…

quant-ph2025

Quantum-Centric Algorithm for Sample-Based Krylov Diagonalization

Jeffery Yu, Javier Robledo Moreno, Joseph T. Iosue +17

Approximating the ground state of many-body systems is a key computational bottleneck underlying important applications in physics and chemistry. The most widely known quantum algo…