Molecular ground state energy determination method and device based on parameterized control pulse

The invention is applicable to the technical field of quantum computing, and provides a molecular ground state energy determination method based on parameterized control pulses, which comprises the following steps: determining the molecular Hamiltonian of a to-be-determined molecular system according to microscopic energy information of the to-be-determined molecular system, the microscopic energy information comprises particle kinetic energy information of microscopic particles and potential energy information among the microscopic particles; determining a loss function according to a current pulse control parameter of a pulse hardware system in combination with the molecular Hamiltonian; and determining the molecular ground state energy based on the loss function. According to the scheme, the pulse control parameters of the pulse hardware system are directly modulated, compared with a traditional quantum machine learning method based on a quantum gate circuit model, the process of mapping the quantum gate c