Theory And Experiment Test On Bell’s Inequality

Quantum mechanics represents one of the pillars of modern physics. A large number of well-known experiments have confirmed this theory and many modern technological appli-cations and developments are based on it. However, more than a century since quantum mechanics was founded, there are still unresolved issues which are about the basis of the theory. In1935, Einstein, Podolsky and Rosen published a paper which questioned about the completeness of quantum mechanics. They insisted on the principle of relativistic lo-cality:no energy and information can travel faster than light, there can be no action at a distance between spacelike separation systems. The theoretical idea is contrary with the non-localized action at a distance idea contained in the quantum mechanics framework, espe-cially with immediately passing of information emerging in quantum entangled state. Since relativity and quantum mechanics are two bases of modern physics theory, the scientific rigor of their theoretical essence plays a pivotal role in the development of physics and the whole scientific system. Thus, it has far-reaching and significant meaning on the development of modern physics to clarify the theoretical differences between the two theoretical system by experiments.This paper is to review the theories and progress in experiments which is about test-ing the Bell inequality, and to discuss new experimental programs, so as to find out new approaches for experimental testing the quantum mechanics theory and the so-called local hidden variable. There is a brief introduction on our subject in part1. Part2is devoted to the arising, development and application prospects of the subject, and to introduce the subject in detail from a theoretical point of view. Part3describes the development of using optical experiments to test Bell’s Inequality, and to compare and analysis the pros and cons of each experiment for more rigorous experimental program. Part4reviews testing Bell’s Inequality in particle experiments and nuclear physics experiments, and analysis advantages and existing problems of this kind of experiments. The last part of this paper introduces experiments using ions, and proposes new experiment schemes to test the Bell’s inequality via experiments of ions collision.