12 citations · 41 across the 7 of their papers we have counts for
8 papers
Multi-QIDA method for VQE state preparation in molecular systems
Fabio Tarocco, Davide Materia, Leonardo Ratini +1
The development of quantum algorithms and their application to quantum chemistry has introduced new opportunities for solving complex molecular problems that are computationally in…
Mitigating decoherence in molecular spin qudits
Leonardo Ratini, Giacomo Sansone, Elena Garlatti +3
Molecular nanomagnets are quantum spin systems potentially serving as qudits for future quantum technologies thanks to their many accessible low-energy states. At low temperatures,…
Compact Multi-Threshold Quantum Information Driven Ansatz For Strongly Interactive Lattice Spin Models
Fabio Tarocco, Davide Materia, Leonardo Ratini +1
Quantum algorithms based on the variational principle have found applications in diverse areas with a huge flexibility. But as the circuit size increases the variational landscapes…
Quantum information theory on sparse wavefunctions and applications for Quantum Chemistry
Davide Materia, Leonardo Ratini, Leonardo Guidoni
In recent years Quantum Computing prominently entered in the field of Computational Chemistry, importing and transforming computational methods and ideas originally developed withi…
Quantum Information reveals that orbital-wise correlation is essentially classical in Natural Orbitals
Davide Materia, Leonardo Ratini, Celestino Angeli +1
The intersection of Quantum Chemistry and Quantum Computing has led to significant advancements in understanding the potential of using quantum devices for the efficient calculatio…
Quantum Information Driven Ansatz (QIDA): shallow-depth empirical quantum circuits from Quantum Chemistry
Davide Materia, Leonardo Ratini, Celestino Angeli +1
Hardware-efficient empirical variational ansätze for Variational Quantum Eigensolver simulations of Quantum Chemistry suffer from the lack of a direct connection to classical Quant…
Natural orbitals and sparsity of quantum mutual information
Leonardo Ratini, Chiara Capecci, Leonardo Guidoni
Natural orbitals, defined in electronic structure and quantum chemistry as the (molecular) orbitals diagonalizing the one-particle reduced density matrix of the ground state, have…
Optimization strategies in WAHTOR algorithm for quantum computing empirical ansatz: a comparative study
Leonardo Ratini, Chiara Capecci, Leonardo Guidoni
By exploiting the invariance of the molecular Hamiltonian by a unitary transformation of the orbitals it is possible to significantly shorter the depth of the variational circuit i…