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Novel universal quantum gate and quantum circuit optimization method

An optimization method and technology of quantum gates, applied in the field of quantum information science, can solve problems such as lack of systematicness, and achieve the effects of improving simulation efficiency, improving efficiency, and facilitating storage and time performance.

Pending Publication Date: 2018-07-27
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

The optimization method for quantum circuits lacks a certain degree of systematicness, and there are few studies on quantum algorithms based on the effects of quantum gates.

Method used

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  • Novel universal quantum gate and quantum circuit optimization method
  • Novel universal quantum gate and quantum circuit optimization method
  • Novel universal quantum gate and quantum circuit optimization method

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Embodiment

[0065] The present invention can be better understood from the following examples. However, those skilled in the art will readily understand that the specific material ratios, process conditions and results described in the examples are only used to illustrate the present invention, and should not and will not limit the present invention described in detail in the claims .

[0066] The content included in the present invention: a novel universal quantum gate and quantum circuit optimization method, based on the quantum computing simulation realized by the GPU environment.

[0067] The quantum circuit calculation model establishes the basic modules of quantum circuits, which is a general language for describing complex quantum calculations. The basic language for describing quantum computing is also the only process description language currently in use, available for communication, and universally understood throughout the world. Quantum computing simulation is an effective ...

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Abstract

The invention discloses a novel universal quantum gate and a quantum circuit optimization method. The method comprises the following contents: analyzing the effect of a basic quantum gate and the variation process of the probability amplitude, the relation of equivalence between the existing universal quantum gate combination and the quantum gate, and the data dependence in the quantum gate simulation process in a GPU environment, proposing a novel universal quantum gate {C-Z, H, T}, meanwhile, simulating a basic quantum gate operation by using the GPU environment, inputting corresponding quantum gates as needed in the simulation process, and optimizing a GHZ state quantum circuit and a quantum Grover algorithm circuit by using the novel universal quantum gate combination and quantum gatedecomposition and merging strategy. The availability and efficiency of the optimized circuit are verified in the simulation environment.

Description

technical field [0001] The invention belongs to the field of quantum information science and technology, and specifically relates to a novel universal quantum gate and a quantum circuit optimization method. The invention is suitable for relevant researchers to design and calculate quantum circuits, optimize and simulate quantum circuits. Background technique [0002] In recent years, quantum computing is one of the research frontiers in the field of information science. Before the practical use of quantum computers, quantum computing simulation technology is an important means to carry out theoretical research on quantum computing. At present, most of the simulation research on quantum algorithms is small-scale and the simulation realization of specific algorithms. With the increase in the number of bits in quantum algorithms, people have put forward higher requirements for the scale and accuracy of quantum simulation, and the limitation of simulation scale will hinder the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06N99/00G06F17/50
CPCG06F30/20G06N10/00
Inventor 骆慧敏袁家斌戴文静
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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