Methods and systems for eigenstate preparation of a target hamiltonian on a quantum computer
Assignee1Qb Information Technologies Inc.
InventorsJessica LEMIEUX, Artur SCHERER, Pooya RONAGH
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Abstract
A method and a system for preparing an eigenstate of a target Hamiltonian using a non-classical computer are disclosed. The method may include: obtaining a reflection path between an initial Hamiltonian and a target Hamiltonian; using one or more target eigenstates to obtain a sequence of reflections along the reflection path; and using the non-classical computer to perform the sequence of reflections along said reflection path. The system may consist of a quantum computer, a digital computer and a communications interface for providing instructions to the quantum computer and for obtaining quantum measurements results from the quantum computer.
Claims21
A method for preparing an eigenstate of a target Hamiltonian using a quantum computer, the method comprising:
- (a) obtaining a reflection path between an initial Hamiltonian and a target Hamiltonian;
- (b) using one or more target eigenstates to obtain a sequence of reflections along said reflection path;
- and
- (c) using said quantum computer to perform said sequence of reflections along said reflection path.
A system for eigenstate preparation of a target Hamiltonian on a quantum computer, the system comprising:
- a communications interface for providing instructions to said quantum computer, and for obtaining quantum measurements results;
- and
- a digital computer comprising an interface and a non-transitory computer readable medium operatively coupled to a processor, said non-transitory computer readable medium comprising instructions, wherein said processor is configured to execute said instructions to at least:
- (a) obtain a reflection path between an initial Hamiltonian and a target Hamiltonian;
- (b) use one or more eigenstates to obtain a sequence of reflections along said reflection path;
- and
- (c) provide instructions, using said communications interface, to said quantum computer to perform a sequence of reflections along said reflection path.
Dependencies are inferred from the claim text.