theories:quantum_field_theory:canonical
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theories:quantum_field_theory:canonical [2020/01/02 19:47] 62.151.109.225 |
theories:quantum_field_theory:canonical [2020/01/02 19:59] 62.151.109.225 |
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| $$ H a^\dagger(k') a^\dagger(k') | 0\rangle = 2\omega_{k'} a^\dagger(k') a^\dagger(k') | 0\rangle $$ | $$ H a^\dagger(k') a^\dagger(k') | 0\rangle = 2\omega_{k'} a^\dagger(k') a^\dagger(k') | 0\rangle $$ | ||
| - | Recall that $a^\dagger(k') and $a(k') $ are the operator parts of our quantum fields. Here we learn that quantum fields create and annihilate particles! | + | Recall that $a^\dagger(k')$ and $a(k')$ are the operator parts of our quantum fields. Here we learn that quantum fields create and annihilate particles! |
| $| 0\rangle$ is an empty system | $| 0\rangle$ is an empty system | ||
theories/quantum_field_theory/canonical.txt · Last modified: 2020/01/03 02:54 by 110.70.51.250
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