Quantum state determination method and device
A technology for determining methods and quantum states, applied in the field of quantum computing, can solve problems such as complex quantum circuits, a large number of quantum logic gates, and obstacles to quantum computing research, and achieve the effect of expanding research
Active Publication Date: 2021-08-06
HEFEI ORIGIN QUANTUM COMP TECH CO LTD
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Problems solved by technology
For example, in solving scientific computing problems, it is necessary to encode the relevant information of the target data structure, such as a sparse matrix, into the quantum states of the qubits, and when relying on various quantum logic gates to construct equivalent quantum logic gates to achieve this requirement, the The number of various quantum logic gates required is huge, and the quantum circuit corresponding to the constructed quantum algorithm is too complex, which seriously hinders the research of quantum computing
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[0062] The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0063] Embodiments of the present invention firstly provide a method for determining a quantum state, which is applied to electronic devices such as terminals, preferably to computers, such as ordinary computers. It is described in detail below.
[0064] It should be noted that the real quantum computer has a hybrid structure, which consists of two parts: one part is a classical computer, which is responsible for performing classical calculation and control; the other part is a quantum device, which is responsible for performing quantum calculations. In fact, the real quantum program is a series of instruction sequences written in a quantum language such as QRunes that can run on a quantum computer (the aforementioned quantum device), which realizes the support for quantum logic gate operatio...
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The invention discloses a quantum state determination method and device. The method comprises the following steps: obtaining each specific class element in a target data structure, first position information of each specific class element and a group of quantum bits; and for each piece of first position information, executing quantum state evolution operation so as to encode the current first position information to a first bit in the group of quantum bits and encode a specific class element corresponding to the current first position information to a second bit in the group of quantum bits, and obtaining the quantum state of the group of quantum bits after evolution. According to the embodiment of the invention, the data structure information can be encoded to the quantum state for simulation of quantum calculation, so that the related technical blank is filled.
Description
technical field [0001] The invention belongs to the technical field of quantum computing, in particular to a method and device for determining a quantum state. Background technique [0002] Quantum computers take advantage of the superposition of quantum and theoretically have the ability to accelerate exponentially in some cases. For example, it takes hundreds of years to crack an RSA key on a classical computer, but it only takes a few hours to execute a quantum algorithm on a quantum computer. However, at present, quantum computers are limited by the development of quantum chip hardware, which leads to the limited number of bits that can be manipulated, so the computing power is limited, and quantum algorithms cannot be generally run. Running quantum algorithms generally requires quantum computing simulations. [0003] During the simulation implementation of quantum algorithms, it is usually necessary to construct quantum algorithms with the help of various quantum logi...
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Login to View More IPC IPC(8): G06N10/00
CPCG06N10/00
Inventor 安宁波李叶
Owner HEFEI ORIGIN QUANTUM COMP TECH CO LTD