University of Science and Technology of China, together with the University of Heidelberg, Germany, and the University of Trento, Italy, have made new progress in ultra-cold atomic quantum computing and simulation research, and realized the use of large-scale quantum systems to solve the problem. An important breakthrough in complex physics problems. This result was published in the international academic journal “Nature” on the 19th.
The research team has developed a dedicated quantum computer that uses microscopic quantum control methods to verify the Gauss theorem describing the relationship between charge and electric field in a quantum multi-body system by manipulating the ultra-cold atoms bound in it.
Pan Jianwei, an academician of the Chinese Academy of Sciences and a professor at the University of Science and Technology of China, introduced, “In the experiment, 71 atoms were first loaded into 71 optical lattices, and then some atoms were blown away.
After that, 36 atoms remained. Using the ultra-cold atoms in the lattice The interaction between them and their arrangement pattern in the lattice can simulate the interaction and transformation between particles and gauge fields, such as the process of annihilation of positive and negative particles to produce photons.”
Professor Yuan Zhensheng from the University of Science and Technology of China introduced, “Experiments have shown that the overall physical state in the optical lattice formed by ultra-cold atoms is similar to the process in which high-energy particles collide to produce new particles in high-energy physics. This is the first time quantum Simulator to simulate complex physical processes in high energy physics.”
The reviewers of “Nature” highly praised this work: they think this work “is an important milestone in the study of the quantum simulation method of the lattice gauge field”; “a real step towards the simulation of the lattice gauge field theory” , From the realization of the quantum simulator module to the complete simulation of a specific model.”