Quantum China Volume 23 (2021/09/11-2021/09/17)

Quantum China Weekly

Quantum China is a weekly periodical focusing on China’s quantum information technology, provide a voice for the Chinese quantum technology. It mainly focuses on eight major directions: Policy, Capital, Business, Technology, Research, Education, Conference, and People. Providing researchers, Interested parties, and industry pioneers with all the latest developments in China’s quantum field.

Business

ByteDance Inc, enters quantum computing

A paper “Toward Practical Quantum Embedding Simulation of Realistic Chemical Systems on Near-term Quantum Computers,” published in an updated preprint at arXiv.org on Sept. 17, 2021 shows that ByteDance Inc, as the first participating institution, has designed a hybrid quantum and classical algorithm that can efficiently simulate and compute the properties of small molecules.The research implies the possibility of solving industrial chemistry problems on near-term quantum devices, and is a strong boost to quantum computing industry-academia research. This is the first time to obtain the research progress related to quantum computing in the field of ByteDance Inc, and also marks the official entry of ByteDance Inc into the field of quantum computing.

Paper:

https://arxiv.org/pdf/2109.08062.pdf

China CITIC Bank Joins the Origin Quantum Computing Financial Industry Consortium

Hefei Branch of China CITIC Bank Co., Ltd. and Origin Quantum have reached a strategic cooperation and joined the Origin Quantum Computing Financial Industry Application Ecological Alliance. According to the agreement, the two parties will jointly carry out research and development of quantum computer prototypes, quantum software and quantum algorithms based on Origin Quantum’s quantum computing hardware, software, and other technical ecological platforms, and give full play to their respective technical advantages to carry out comprehensive, long-term and progressive cooperation in the field of quantum computing.

Research

USTC achieves efficient high-dimensional quantum communication in a high-noise environment

The research group of academician Guangcan Guo at the University of Science and Technology of China has made important progress in the research of high-dimensional quantum communication. The research group of Chuanfeng Li and Biheng Liu, in collaboration with Professor Marcus Huber and others from Austria, has achieved efficient high-dimensional quantum communication in a high-noise environment, which experimentally verifies the advantages of high-dimensional quantum communication and provides a feasible way to achieve efficient high-dimensional quantum communication processes in different size noise environments The results experimentally validate the advantages of high-dimensional quantum communication and provide a feasible way to achieve efficient high-dimensional quantum communication processes in different size noise environments. The research has been published in PHYSICAL REVIEW LETTERS on Sep. 10.

Paper:

https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.127.110505

Peking University makes important progress in quantum state tomography of molecules by ultrafast diffraction

Peking University has establish a new variant of quantum state tomography for ultrafast electron diffraction to characterize the molecular quantum states. The ability to reconstruct the density matrix, which encodes the amplitude and phase of the wavepacket, for molecules of arbitrary degrees of freedom, will enable the reconstruction of a quantum molecular movie from experimental x-ray or electron diffraction data. The related research results have been published in Nature Communications on September 14.

Paper:

https://www.nature.com/articles/s41467-021-25770-6

Nanjing University makes important progress in quantum phase transition

Professor Lei Wang from Nanjing University and Columbia University have jointly use transport measurements to characterize metal–insulator transitions (MITs) in twisted WSe2 near half filling of the first moiré subband. These results establish twisted WSe2 as a new platform to study doping and bandwidth-controlled metal–insulator quantum phase transitions on the triangular lattice. The research results have been published in Nature on September 15.

Paper:

https://www.nature.com/articles/s41586-021-03815-6

Conference

The first Quantum Industry Conference was held in Hefei on September 18

2021 Quantum Industry Conference will be held in Hefei on September 18, the conference will be a comprehensive display of the major achievements of quantum science and technology, quantum industry layout in Hefei in recent years through the opening ceremony, results release, centralized signing, quantum information application industry ecological cooperation and other activities. The conference will further integrate advantageous resources to accelerate the local trading, local transformation and local application of scientific and technological achievements.

The 4th Optical Quantum Information Youth Forum will be held soon

Optical Quantum Information Youth Forum is jointly initiated by USTC, Shanxi University, Peking University, Nanjing University and Shanghai Jiao Tong University, aiming to promote the development of quantum information technology through regular exchanges and discussions, condensing scientific groups, and taking optical quantum information technology as the core. The 4th Optical Quantum Information Youth Forum will be held in Nanjing from October 22 to 24, 2021. The forum topics include: optical quantum communication, optical quantum computing , optical quantum simulation , optical quantum precision measurement , optical quantum artificial intelligence , and hybrid quantum systems.




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