Schwinger's quantum action principle

Summary

Schwinger's quantum action principle is a physical theory^[1]. It draws 17 Wikipedia views per month (physical_theory category, ranking #53 of 75).^[2]

Key Facts

• Schwinger's quantum action principle's instance of is recorded as physical theory^[3].
• Schwinger's quantum action principle's Freebase ID is recorded as /m/032tzz^[4].
• Schwinger's quantum action principle's defining formula is recorded as \delta \langle B|A\rangle =i\langle B|\delta S|A\rangle^[5].
• Schwinger's quantum action principle's Microsoft Academic ID is recorded as 2777074214^[6].

Why It Matters

Schwinger's quantum action principle draws 17 Wikipedia views per month (physical_theory category, ranking #53 of 75).^[2]