| 单词 | renormalization group |
| 释义 | renormalization group A technique used to understand systems in which many length-scales are involved. Such systems include phase transitions, turbulence, polymers, many-electron systems, and the localization of electrons in disordered systems. The renormalization group has its origin in quantum field theory, in which it is used to calculate how coupling constants change with energy. The way in which this change with energy takes place involves group theory and the procedure of renormalization |
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