2014/12/10 中国科学技术大学大一新生《科学与社会》研讨课 《反物质世界的探索》 相对论量子力学 p=Y mo v (v=p/mo) E=±√p2c2+(mc2)2 h/p ←can be+or- v=Vp'c+(me)2 h ←can be+or- 邦角进 对称性 Parity,P Parity reflects a system through the origin.Converts right-handed coordinate systems to left-handed ones Vectors change sign but axial vectors remain unchanged X→-X,p→-P,butL=Xxp→L Charge Conjugation,C Charge conjugation turns a particle into its anti-particle e+→e,K-→K+ Time Reversal,T Changes,for example,the direction of motion of particles 6191 t→-t 物理学院叶邦角教授主讲 版权所有，严禁传播 32014/12/10 3 p =  m0 v (v =p/m0) E= ±√p2c2 + (mc2)2 l= h/p  can be + or  n=  can be + or  √p2c2+(mc2)2 h 相对论量子力学 Parity, P Parity reflects a system through the origin. Converts right-handed coordinate systems to left-handed ones. Vectors change sign but axial vectors remain unchanged x  -x , p  -p, but L = x  p  L Charge Conjugation, C Charge conjugation turns a particle into its anti-particle e +  e- , K -  K + Time Reversal, T Changes, for example, the direction of motion of particles t  -t +  中国科学技术大学大一新生《科学与社会》研讨课 《反物质世界的探索》 物理学院叶邦角教授主讲 版权所有， 严禁传播 叶邦角主讲