Gaussian distribution quantum state determination method and device and electronic equipment

A Gaussian distribution and determination method technology, which is applied in quantum computers, electrical digital data processing, special data processing applications, etc., can solve the problem of high complexity of quantum state preparation, and achieve the effect of reducing the amount of calculation and reducing the complexity

Pending Publication Date: 2020-04-10
BEIJING BAIDU NETCOM SCI & TECH CO LTD
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Problems solved by technology

[0004] This application provides a Gaussian distribution quantum state determination method, device and electronic equipment to solve the problem of high complexity of quantum state preparation

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  • Gaussian distribution quantum state determination method and device and electronic equipment
  • Gaussian distribution quantum state determination method and device and electronic equipment
  • Gaussian distribution quantum state determination method and device and electronic equipment

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Embodiment Construction

[0064] Exemplary embodiments of the present application are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present application to facilitate understanding, and they should be regarded 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 and spirit of the application. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

[0065] Such as figure 1 As shown, according to the embodiments of the present application, the present application provides a method for determining a Gaussian distribution quantum state, including:

[0066] Step S101: Obtain an initial Gaussian distribution quantum state.

[0067] In the process of preparing the quantum state of the target Gaussian distribution, a...

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Abstract

The invention discloses a Gaussian distribution quantum state determination method and device and electronic equipment and relates to the technical field of quanta. The specific implementation schemeis as follows: obtaining an initial Gaussian distribution quantum state; performing quantum Fourier transform on the initial Gaussian distribution quantum state to obtain a quantum transform result; evolving the quantum transformation result to obtain a quantum evolution result; and performing inverse quantum Fourier transform on the quantum evolution result to obtain a target Gaussian distribution quantum state. In the process of preparing the target Gaussian distribution quantum state, the coefficient of each component in the target Gaussian distribution quantum state does not need to be separately determined; the target Gaussian distribution quantum state can be obtained by carrying out quantum Fourier transform on the initial Gaussian distribution quantum state, then quantum evolutionis carried out and quantum inverse Fourier transform is carried out on the quantum evolution result, so that the calculation amount can be reduced, and the preparation complexity of the target Gaussian distribution quantum state is reduced.

Description

technical field [0001] The present application relates to the field of quantum technology in computer technology, in particular to a method, device and electronic equipment for determining a Gaussian distribution quantum state. Background technique [0002] Gaussian distribution is a common probability distribution and plays an important role in many application scenarios. With the development of quantum technology, the Gaussian distribution of quantum states is also very important. The quantum state preparation technology refers to the preparation of the target system (assumed to be composed of n qubits) to the corresponding superposition state according to the distribution function f(x) given in advance, that is, the wave function , the distribution function needs to satisfy the normalization condition, that is, n is the number of qubits, and the Gaussian distribution quantum state can be understood as the wave function is a Gaussian distribution quantum state, that is...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06N10/00G06F17/14
CPCG06N10/00G06F17/141
Inventor 董莹段润尧
Owner BEIJING BAIDU NETCOM SCI & TECH CO LTD
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