Science

South Card physicist proposed a new type of spin vector potential in quantum mechanics

Researchers at theoretical physics at the University of South Carolina put forward the pioneering assumptions on spin vector potential and its verification of the effect of rotating AHARONOV-BOHM (AB) effects. Under the leadership of Professor Jing-Ling Chen, with his student Xing-YAN fans, and the Xiang-Ru Xie of Nankai University, this study proposed a novel way to understand the rotation and electromagnetic potential. Interaction between. The study was published in the magazine of Basic Research.

“The AHARONOV-BOHM effect is a typical quantum phenomenon. Although there are no fields, the charged particles are still affected by the electromagnetic potential. This emphasizes the importance of potential in quantum physics.” Professor Chen explained. He further added: “Our work has expanded this concept to rotation, proposed the potential of the rotation vector, and proves its effect through ideological experiments similar to the classic double seam interference experiments.”

The team proposes the existence of spin vector potential caused by spinning particles, which can be observed through double seam experiments. The Gedanken experiment involves electrons with two gaps and placed the rotating source behind it. The interference mode obtained will be different from the conventional interference mode, indicating the impact of the spin vector potential. This effect is called the spin -abdomen effect, which reflects the traditional magnetic AB effect, but replaces the magnetic field with spin.

This assumption is developed by considering the angular capacity operator and mathematically obtained by rotating vector potential. The team also discussed the meaning of this potential in explaining various spiny interactions, including DZyaloshinsky-MORIYA (DM) interaction and Polarity-Polarity interaction. When considering the spin vector potential, these interactions are essential in condensed physics, and they appear naturally from Dirac Hamiltonian.

Professor Chen elaborated: “DM interaction explains the weak iron magnetism in antie iron magnetic materials, and the Polarity-Polarity interaction can derive the potential of the spin vector. Unified framework.

The results of the study show that it can experimentally verify the spin -AB effect, which has opened a new way for the research of quantum mechanics and rotation. Professor Chen said: “Observing the spin AB effect in the laboratory can not only confirm our assumptions, but also pave the way for new technologies in quantum computing and information processing.”

The meaning of this study is profound because it provides a new point of view for the potential of quantum mechanics. By introducing the concept of self -spin vector potential, the study has brought about the gap between classic physics and quantum physics, and highlights the essential nature of the potential in the quantum field.

In short, Professor Chen’s team’s work has made significant progress in our understanding of the basic principles of rotation interaction and quantum mechanics. Experimental verification of rotating AB effects may lead to breakthroughs in various fields, including quantum information science and coagulation physics.

Journal reference

Chen, j.-l., fan, x.-y. , & Xie, x.-r. (2024). Self-spin vector potential and spin AHARONOV-BOHM effect. Basic research. Doi: https: //doi.org/10.1016/j.fmre.2023.10.003

About the author

Jing-ling Chen He is a professor of physics at the University of South Carolina. He obtained a bachelor’s degree (1994), a master’s degree (1997), and a doctor’s degree (2000) from Public Relations. He is about one member of the researcher at the Beijing Apply Physics (2000-2002) and the State University of Singapore (2002-2005). His research interest is quantum physics and quantum information, especially in basic quantum problems, such as EPR paradox, quantum entanglement, EPR steering, Bell’s non -locality and quantum context. Due to his contribution to quantum, he won the Paul Ehrenfest Best Paper Foundation (2021) award. Recently, he carried out some primitive explorations on the spin, such as proposing a spin vector potential, presenting the spin-type AHARONOV-BOHM effect, and predicting the spin angle muscle wave.

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