Quantum circuit operation method and device, electronic equipment and medium
A technology of quantum circuit and operation method, applied in the fields of devices, computer program products, quantum circuit operation methods, electronic equipment, and computer-readable storage media
Active Publication Date: 2022-05-27
BEIJING BAIDU NETCOM SCI & TECH CO LTD
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Problems solved by technology
Even with the most advanced supercomputers, when the system has a large number of qubits, the time consumed by the supercomputer operation and other large resources are unacceptable
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[0019] Exemplary embodiments of the present disclosure are described below with reference to the accompanying drawings, which include various details of the embodiments of the present disclosure to facilitate understanding and should be considered as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope of the present disclosure. Also, descriptions of well-known functions and constructions are omitted from the following description for clarity and conciseness.
[0020] In the present disclosure, unless otherwise specified, the use of the terms "first", "second", etc. to describe various elements is not intended to limit the positional relationship, timing relationship or importance relationship of these elements, and such terms are only used for Distinguish one element from another. In some examples, the first element and the second ...
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The disclosure provides a quantum circuit operation method, device, electronic equipment, computer-readable storage medium and computer program product, and relates to the field of quantum computers, in particular to the technical field of quantum circuits. The implementation scheme is: perform the following operations for a predetermined number of times: input Q+1 system quantum states and the first auxiliary qubit into the quantum circuit, and the quantum circuit includes Q controlled gates, so that the first auxiliary qubit, the first auxiliary qubit Controlled gates are respectively applied between the system quantum state and the corresponding second system quantum state, and H gates are respectively applied before and after the first auxiliary qubit acts on the controlled gate. The second system quantum state is a system quantum state other than the first system quantum state among the Q+1 system quantum states. The quantum state output by the quantum circuit is measured to obtain the undetermined item corresponding to the Fourier series expression of the von Neumann entropy.
Description
technical field [0001] The present disclosure relates to the field of quantum computers, in particular to the technical field of quantum circuits, and in particular to a quantum circuit operation method, apparatus, electronic device, computer-readable storage medium, and computer program product. Background technique [0002] The study of von Neumann entropy of physical systems is a fundamental problem in science and engineering. In general, calculating the entropy of a physical system is very difficult. Even with today's state-of-the-art supercomputers, when the number of qubits in the system is large, the time consumed by the supercomputer to run and the large amount of other resources are unacceptable. In recent years, with the rise of quantum computing, more and more people study quantum computers and use quantum computers to solve practical problems. Therefore, how to use quantum computers to solve the von Neumann entropy estimation problem has become an urgent proble...
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IPC IPC(8): G06N10/20
CPCG06N10/00
Inventor 王鑫王友乐赵犇池
Owner BEIJING BAIDU NETCOM SCI & TECH CO LTD