The combination of an oscillating and a static field is used to study the creation and annihilation phenomena during the pair creation process.The time evolution,spatial density and momentum distribution of the create...The combination of an oscillating and a static field is used to study the creation and annihilation phenomena during the pair creation process.The time evolution,spatial density and momentum distribution of the created particles for a fermionic system are presented,which demonstrate that with the increasing static field intensity,the number of the created particles experiences a distinguishable decrease in every period of the oscillating field,which is caused by the annihilation phenomena between the created electrons and positrons.展开更多
基金the National Natural Science Foundation of China(Grant Nos.11974419 and 11605286)the Strategic Priority Research Program of Chinese Academy of Sciences(Grant No.XDA25051000)the National Key R&D Program of China(Grant No.2018YFA0404802)。
文摘The combination of an oscillating and a static field is used to study the creation and annihilation phenomena during the pair creation process.The time evolution,spatial density and momentum distribution of the created particles for a fermionic system are presented,which demonstrate that with the increasing static field intensity,the number of the created particles experiences a distinguishable decrease in every period of the oscillating field,which is caused by the annihilation phenomena between the created electrons and positrons.
