Quantum solver
The quantum solver addresses the challenge of determining electron wave functions by reducing measurement requirements through iterative energy minimization, achieving faster, more accurate results with reduced energy consumption.
WO2025041087A1PCT designated stage expired Publication Date: 2025-02-27QUANTUM BRILLIANCE GMBH
Patent Information
- Application Number
- PCT/IB2024/058199
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2023-08-24
- Filing Date
- 2024-08-23
- Publication Date
- 2025-02-27
Smart Images
Figure IB2024058199_27022025_PF_FP_ABST
Abstract
This disclosure relates to a method for determining a characteristic of a wave function of electrons. The method comprises running a quantum circuit multiple times. The quantum circuit comprises qubits and is configured to represent an eigenstate of a Hamiltonian of the electrons. After each time of running the quantum circuit, a value is measured of each qubit to obtain multiple bit strings encoding respective basis functions. The method determines measurement statistics over the bit strings and calculates, based on the measurement statistics a wave function coefficient, including a sign value of each measurement, for each basis function encoded by the bit strings. Then, the method calculates an energy value of the wave function based on the wave function coefficient for each basis function and repeats these steps adjusting parameters of the quantum circuit to iteratively minimise the energy value to thereby improve the characteristic of the wave function.
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Citation Information
Patent Citations
Classically-boosted variational quantum eigensolver
US20220284337A1
Cited By
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