漫谈物理学的过去、现在与未来

RAMBLING ABOUT THE PAST,PRESENT AND FUTURE OF PHYSICS

文章试图对物理学的发展历史作一透视，从而理解其现状，并进而窥测其未来的前景．我们希望这一看法对于当今从事物理学教学与科研的人士有所助益．由于物理世界的层次化，诸层次之间既可能存在耦合，又可能出现脱耦．因而大量粒子所构成的复杂体系中所涌现的各种层展性质就不能简单地还原成个别粒子所服从的规律．我们根据这一观点并结合物理学的未来前景，讨论了当今物理学研究的若干前沿问题．一切迹象预示着物理学将有光明的前景．

This paper gives a historical perspective about the past developments of physics in order to understand its present status and furthermore to glimpse its future prospects.We hope that this view may be helpful for those who are engaged in teaching and research in physics.From the stratification of the physical world,it is shown that there is coupling as well as decoupling between different strata,so that complex systems composed of an enormous number of particles will show properties which can not be simply reduced to laws governing individual particles.From this viewpoint,the frontiers of research in physics are discussed in relation to its future prospects.A bright future is anticipated for physics.