METHOD, QUANTUM COMPUTER SYSTEM, COMPUTER PROGRAM AND COMPUTER-READY STORAGE MEDIUM FOR DETERMINING PHYSICAL INFORMATION OF A MOLECULE USING A QUANTUM COMPUTER SYSTEM

By identifying stable qubits and transforming fermionic Hamiltonians into reduced qubit Hamiltonians, the method addresses inefficiencies in quantum computing for molecule information determination, achieving resource-efficient and adaptive quantum-classical hybrid computation.

DE102024135033A1Pending Publication Date: 2026-05-28ELEQTRON GMBH
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Patent Information

Application Number
DE102024135033
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2026-05-28

AI Technical Summary

Technical Problem

Existing methods for determining physical information of molecules using quantum computers are resource-intensive and inefficient, particularly due to the high complexity of fermionic Hamiltonians and the need for extensive qubit operator pools.

Method used

A method is developed to identify stable qubits that do not flip states, allowing for the reduction of the qubit operator pool and transformation of fermionic Hamiltonians into a more compact reduced qubit Hamiltonian, utilizing a hybrid quantum-classical computing approach to determine physical information of molecules.

Benefits of technology

This approach reduces resource consumption and enhances computational efficiency by using a smaller qubit operator pool, enabling more efficient quantum computations and facilitating the determination of molecular properties such as energy, dynamics, and statistical properties.

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Abstract

A method for determining the physical information of a molecule using a quantum computer system is specified, the method comprising: - Providing (S1) a fermionic Hamiltonian operator characteristic of an initial physical information of the molecule, - Converting (S2) the fermionic Hamiltonian into an initial qubit Hamiltonian comprising an initial pool of qubit operators trained to act on at least two qubits, - Determine (S3) at least one stable qubit from the at least two qubits when the initial qubit Hamiltonian is provided to the at least two qubits, - Determining (S4) a reduced qubit operator pool depending on the at least one stable qubit, and - Determining (S5) the physical information as a function of the reduced qubit operator pool. Furthermore, a quantum computer system, a computer program, and a computer-readable storage medium are specified.
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Citation Information

Patent Citations

  • Efficient reduction of resources for the simulation of fermionic Hamiltonian operators on quantum hardware

    DE112017002971T5