Adiabatic Spectroscopy and a Variational Quantum Adiabatic Algorithm

Understand

Preparing the ground state of a Hamiltonian is a problem of great significance in physics with deep implications in the field of combinatorial optimization.

• The adiabatic algorithm is known to return the ground state for sufficiently long preparation times which depend on the a priori unknown spectral gap.
• Our work relates in a twofold way.
• First, we propose a method to obtain information about the spectral profile of the adiabatic evolution.