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公开(公告)号：AU2022235532A1
公开(公告)日：2023-09-07
申请号：AU2022235532
申请日：2022-09-20
Inventor： WANG XIN , ZHAO XUANQIANG , YU ZHAN
Abstract: Provided are a simulation method of quantum system, a computing device, an apparatus and a storage medium, relating to the field of data processing, and in particular to the field of quantum computing. The method includes: acquiring at least two measurement results; 5 calculating a loss value of a loss function representing an average trace distance; and taking, in the case where the loss value of the loss function satisfies an iteration requirement, a preset parameterized quantum circuit with an adjustable parameter at a first parameter value as a target parameterized quantum circuit. Acquire at least two measurement results, where first measurement result represents trace distance between first output state and first target output state; second measurement result represents trace distance between second output state and second target output state; first output state is output state after preset parameterized quantum circuit acts on first quantum state in the case where its own adjustable parameter is at first parameter S101 value, second output state is output state after preset parameterized quantum circuit acts on second quantum state in the case where its own adjustable parameter is at first parameter value, first target output state represents output state after initial time evolution circuit acts on first quantum state, second target output state represents output state after initial time evolution circuit acts on second quantum state, and initial time evolution circuit is approximate quantum circuit of unitary matrix of target quantum system containing n qubits Calculate loss value of loss function representing average trace distance based on trace distances represented by at least two measurement results Take, in the case where loss value of loss function satisfies iteration requirement, preset S103 parameterized quantum circuit with adjustable parameter at first parameter value as target parameterized quantum circuit, where target parameterized quantum circuit is approximate quantum circuit of initial time evolution circuit Fig. 1 Ql U3 (Oil,6 ,62)9(0) Q2 U, , ) Q3 U_(6__,1:6_! ) O1 Fig. 2
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公开(公告)号：AU2022203778A1
公开(公告)日：2022-12-22
申请号：AU2022203778
申请日：2022-06-01
Inventor： FANG KUN , DUAN RUNYAO
IPC: G06N10/60
Abstract: A function processing method and device, and an electronic device are provided. The function processing method includes: obtaining a first polynomial function including a plurality of terms consisting of a plurality of first variables; constructing a node route diagram of a quantum approximate optimization algorithm (QAOA) based on the first polynomial function, where the node route diagram includes K nodes, K is determined based on the first polynomial function, and K is an integer greater than 1; generating quantum entangled states of the node route diagram, where the quantum entangled states include target quantum states of the K nodes in the node route diagram; and sequentially performing a numerical measurement on each node in the K nodes based on the target quantum state of the K nodes in the node route diagram, to obtain a first target numerical measurement result of the plurality of first variables. obtaining a first polynomial function including a plurality of terms consisting of a plurality of first variables constructing a node route diagram of a quantum approximate optimization algorithm (QAOA) based on the first polynomial function, where the node route diagram includes K nodes, K is determined based on the first polynomial function generating quantum entangled states of the node route diagram, where the quantum entangled states include target quantum states of the K nodes in the node route diagram sequentially performing a numerical measurement on each node in the K nodes based on the target quantum state of the K nodes in the node route diagram, to obtain a first target numerical measurement result of the plurality of first variables Fig.1 R 1,3 R 1,2, R 3,4 Fig.2
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公开(公告)号：AU2021240155A1
公开(公告)日：2022-08-11
申请号：AU2021240155
申请日：2021-09-28
Inventor： WANG XIN , JIN LIJING , LIU SHUSEN , MENG ZELIN , YAN ZIXIAN
IPC: G06N10/00
Abstract: A BLOCKING TOOL A blocking tool and a method of using the blocking tool to sand a surface of a vehicle are disclosed. The blocking tool includes a first member having a length and having an outer periphery with a plurality of cuts formed therein. The plurality of cuts extend over at least about 70% of the length and each of the cuts penetrates the first member through an arc of at least about 70% of the outer periphery. The blocking tool also has a base member with a first surface, an oppositely aligned second surface, and a length. A portion of the outer periphery of the first member is secured to the first surface of the base member to form an integral blocking tool. 22 -3-4 -1-810 --- 30 38 34-),88 Fig. 1 £/10 t3 w 3 Fig. 2
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公开(公告)号：AU2022203072A1
公开(公告)日：2022-11-24
申请号：AU2022203072
申请日：2022-05-06
Inventor： FANG KUN , DUAN RUNYAO
Abstract: This disclosure provides a node grouping method and apparatus and an electronic device, and relates to the field of evolutionary computing in quantum computing. The method includes: obtaining a graph of nodes to be grouped, wherein the graph of nodes to be grouped includes M first nodes; constructing a QAOA (quantum approximate optimization algorithm) node circuit graph based on the graph of nodes to be grouped, the node circuit graph including K nodes and the K nodes including the M first nodes; generating a quantum entangled state of the node circuit graph, the quantum entangled state including target quantum states of the K nodes in the node circuit graph; performing a group measurement on each of the K nodes sequentially based on the target quantum states of the K nodes in the node circuit graph to obtain a target group measurement result of the M first nodes; determining a grouping output result of the M first nodes based on the target group measurement result of the M first nodes. According to the technology provided in this disclosure, the problem of the relatively poor evolutionary effect of the QAOA for node grouping is solved, and the evolutionary effect of the QAOA is improved, thus the effect of node grouping is improved. [Figure. 1] node grouping apparatus 601 obtaining module construction module generation module group measurement module determination module Fig. 6 701 702 703 computing ROM RAM unit I/O interface 706 707 708 709 input output storage communication unit unit unit unit Fig. 7
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75.发明专利
公开(公告)号：AU2022235559A1
公开(公告)日：2022-10-06
申请号：AU2022235559
申请日：2022-09-21
Inventor： MENG ZELIN
Abstract: METHOD AND APPARATUS FOR DETERMINING SIGNAL SAMPLING QUALITY, ELECTRONIC DEVICE AND STORAGE MEDIUM The present disclosure provides a method, an electronic device, an apparatus, and a storage medium for determining a signal sampling quality, and relates to the field of quantum computing, in particular to the field of quantum 10 signals. A specific implementation solution includes sampling a first output signal of a quantum chip based on a first sampling parameter to obtain first sampled data; performing feature extraction on the first sampled data to obtain a first feature extraction result; clustering the 15 first feature extraction result to determine a sampling quality classification result. According to the solution, the sampling quality of the quantum output signal is evaluated by using a clustering method, so that an accurate classification result of the sampling quality is obtained, 20 the whole process can be automatically completed, and an evaluation efficiency of the sampling quality of the quantum signal is greatly improved.
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Patent Agency Ranking
公开(公告)号：AU2021240156A1
公开(公告)日：2022-08-11
申请号：AU2021240156
申请日：2021-09-28
Inventor： JIN LIJING , WANG XIN , ZHANG RUNZE , MENG ZELIN
IPC: G06N10/00
Abstract: The present disclosure provides a quantum control pulse generation method and apparatus, a device, a storage medium, and a product, which are related to the field of quantum computation. The method is specifically implemented as follows: constructing, based on relevant physical parameters of a target quantum hardware structure, a system Hamiltonian of a quantum system characterized by the target quantum hardware structure; obtaining an initial control pulse set matching the target quantum hardware structure; obtaining, based on the system Hamiltonian, system state information of the quantum system by simulation, wherein the system state information characterizes state information of the quantum system obtained by simulation after an application of the initial control pulse to the qubit in the target quantum hardware structure; and optimizing the initial control pulse in the initial control pulse set based on at least a relationship between the system state information of the quantum system and target state information that needs to be achieved by the target quantum task, to obtain a target control pulse sequence by simulation. In this way, quantum computing software and quantum computing hardware are combined to achieve a specific quantum task. (FIG. 1) constructing, based on relevant physical parameters of a target quantum hardware structure, a system Hamiltonian of a quantum system characterized by the target quantum hardware structure, wherein the target quantum hardware structure is used to achieve a target quantum task obtaining an initial control pulse set matching the target quantum hardware structure, wherein the initial control pulse set comprises at least one initial control pulse used to be applied to a qubit in the target quantum hardware structure obtaining, based on the system Hamiltonian, system state information of the quantum system by simulation, wherein the system state information characterizes state information of the quantum system obtained by simulation after an application of the initial control pulse to the qubit in the target quantum hardware structure optimizing the initial control pulse in the initial control pulse set based on at least a relationship between the system state information of the quantum system and target state information that needs to be achieved by the target quantum task, to obtain a target control pulse sequence by simulation
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公开(公告)号：AU2021245165A1
公开(公告)日：2021-10-21
申请号：AU2021245165
申请日：2021-10-07
Inventor： WANG XIN , SONG ZHIXIN , LI GUANGXI
Abstract: The present disclosure discloses a method and device for processing quantum data, and relates to the field of quantum computation. It is specifically implemented as follows: determining a quantum data set and category information characterizing a data type of the quantum data set; applying a local quantum circuit to a quantum data point contained in the quantum data set, wherein the local quantum circuit is obtained after part of qubits are selected from a plurality of qubits contained in a parameterized quantum circuit; acquiring state information of qubits in the local quantum circuit after being applied to the quantum data point through measurement, and taking the state information and the category information as training data for training a classical neural network to obtain a trained classical neural network, wherein a data type of a quantum data set to be processed can be identified by the trained classical neural network. Therefore, a foundation is laid for identifying a data type of a quantum data set with high efficiency. (FIG. 1) determining a quantum data set and category information characterizing a data type of the quantum data set applying a local quantum circuit to a quantum data point contained in the quantum data set, wherein the local quantum circuit is obtained after part of qubits are selected from a plurality of qubits contained in a parameterized quantum circuit acquiring state information of qubits in the local quantum circuit after being applied to the quantum data point through measurement, and taking the state information and the category information as training data for training a classical neural network
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78.发明专利
公开(公告)号：AU2021245164A1
公开(公告)日：2021-10-21
申请号：AU2021245164
申请日：2021-10-07
Inventor： WANG XIN , ZHAO XUANQIANG , ZHAO BENCHI , WANG ZIHE , SONG ZHIXIN , LIU RENYU
Abstract: The present disclosure provides a quantum entangled state processing method and apparatus, a device, a storage medium, and a product, which are related to a field of quantum calculation. The specific implementation scheme includes: determining n initial quantum states to be processed; determining at least two nodes associated with the initial quantum state, wherein the first qubit is positioned at a first node of the at least two nodes, and the second qubit is positioned at a second node of the at least two nodes; acquiring at least one first parameterized quantum circuit required by the first node and at least one second parameterized quantum circuit required by the second node matched with a preset processing scenario; controlling, based on an initial quantum operation strategy, the first node to perform a local quantum operation to obtain a first measurement result, controlling the second node to perform a local quantum operation to obtain a second measurement result; obtaining an output quantum state meeting a preset requirement of the preset processing scenario at least based on the first measurement result and the second measurement result. In this way, the processing of a quantum entangled state is realized. (FIG. 1) determining n initial quantum states to be processed, wherein each initial quantum state is at least an entangled quantum state formed by at least one first qubit in a first group of qubits and at least one second qubit in a second group of qubits determining at least two nodes associated with the initial quantum state, wherein the first qubit is positioned at a first node of the at least two nodes, and the second qubit is positioned at a second node of the at least two nodes acquiring at least one first parameterized quantum circuit required by the first node and at least one second parameterized quantum circuit required by the second node matched with a preset processing scenario controlling, based on an initial quantum operation strategy, the first node to perform a local quantum operation on at least a portion of the first qubit in the first group of qubits by using the at least one first parameterized quantum circuit, to obtain a first measurement result S,- 105 controlling, based on the initial quantum operation strategy, the second node to perform a local quantum operation on at least a portion of the second qubit in the second group of qubits by using the at least one second parameterized quantum circuit, to obtain a second measurement result S-106 obtaining an output quantum state meeting a preset requirement of the preset processing scenario at least based on the first measurement result and the second measurement result, wherein the output quantum state is an entangled quantum state formed by qubits associated with at least one initial quantum state in the n initial quantum states after the initial quantum operation strategy is executed
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公开(公告)号：AU2023285953A1
公开(公告)日：2024-11-28
申请号：AU2023285953
申请日：2023-12-22
Inventor： CAO YA
IPC: G06N10/00
Abstract: Provided is a method and apparatus of processing a quantum noise circuit, a computing device and a storage medium, relating to the field of quantum computing and quantum simulation technologies. The method includes: compressing, responsive to determining a compression 5 condition is met, a quantum operation currently being processed in a subcircuit Ci of an initial quantum noise circuit C with another quantum operation to obtain a new quantum operation; adjusting, based at least on the new quantum operation, the subcircuit Ci to obtain a new subcircuit Ci'; obtaining, based at least on the new subcircuit C', a first quantum noise circuit C' after the quantum operations in the initial quantum noise circuit C are compressed; and 0 performing, based at least on the compressed first quantum noise circuit C', a noise circuit simulation. Compress, responsive to determining a compression condition S101 is met, a quantum operation currently being processed in a subcircuit of an initial quantum noise circuit with another quantum operation to obtain a new quantum operation Adjust, based at least on the new quantum operation, the circuit to obtain a new subcircuit Obtain, based at least on the new subcircuit, a first quantum S103 noise circuit after the quantum operations in the initial quantum noise circuit are compressed Perform a noise circuit simulation based at least on the compressed first quantum noise circuit
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公开(公告)号：AU2023274080A1
公开(公告)日：2024-10-17
申请号：AU2023274080
申请日：2023-11-28
Inventor： YUAO CHEN , LIJING JIN
IPC: G06N10/40
Abstract: Provided is a quantum chip structure and a method for generating layout of quantum chip structure. The quantum chip structure includes: a topological structure formed by densely laying a plurality of twisted edge square units. A central qubit of a twisted edge square unit is 5 coupled with five first qubits respectively, a first qubit in a first position is coupled to a first qubit in a second position, a first qubit in a third position is coupled to a first qubit in a fourth position and an adjacent first qubit in a fifth position respectively, a second qubit in a sixth position is coupled with the first qubit in the first position and the first qubit in the fourth position respectively, and a second qubit in a seventh position is coupled with the first qubit in 0 the second position and the first qubit in the fifth position respectively.
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