Development of quantum algorithms for electronic structure calculations
DIPC Seminars
 Speaker

Matthieu Saubanere
Laboratoire Ondes et Matière d'Aquitaine, LOMA, Bordeaux  When

2024/06/17
12:00  Place
 DIPC Seminar Room
 Host
 Javier Aizpurua
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Quantum Chemistry and Physics have been identified as key applications for quantum computers and quantum algorithms have been designed to solve the Schrödinger equation using the wavefunction formalism. In this context, we have proposed a VQEtype algorithm specifically for the Hubbard model, particularly in the strongly interacting limit. However, the wavefunction formalism is still limited to small systems, as their size is constrained by the number of available qubits. Computations on larger systems primarily rely on meanfieldtype approaches such as density functional theory, for which no quantum advantage has been envisioned so far. In this seminar, we will also challenge this assumption by proposing a counterintuitive mapping from the noninteracting to an auxiliary interacting Hamiltonian that may provide the desired advantage.