4 papers
A hardware-efficient variational ansatz with an exact diagonal metric for real- and imaginary-time evolution and Haar sampling
Dario Picozzi
Variational quantum algorithms depend on the geometry of their parametrised circuits: metric-aware optimisation and time evolution require the Fubini-Study metric, which has hither…
Symmetry-adapted qubit encoding with complete active space and Bravyi--Kitaev mapping for quantum chemistry on a quantum computer
Dario Picozzi, Jonathan Tennyson
We present a symmetry-adapted qubit encoding with complete active space (SAE-CAS) for quantum chemistry on fault-tolerant and near-term quantum processors. Building on exact-symmet…
Periodic Symmetry-Adapted Encoding: Qubit Reduction in Crystalline Electronic Structure
Dario Picozzi
We extend the symmetry-adapted encoding (SAE) framework to periodic electronic structure, enabling qubit-efficient quantum simulation of crystalline materials. By constructing a $Î…
Electron-molecule scattering via R-matrix variational algorithms on a quantum computer
Dario Picozzi, Jonathan Tennyson, Vincent Graves +1
Electron-molecule collisions play a central role in both natural processes and modern technological applications, particularly in plasma processing. Conventional computational stra…