QED vacuum
The QED vacuum or quantum electrodynamic vacuum is the field-theoretic vacuum of quantum electrodynamics. It is the lowest energy state (i.e., the ground state) of the electromagnetic field when the fields are quantized.
The QED vacuum or quantum electrodynamic vacuum is the field-theoretic vacuum of quantum electrodynamics. It is the lowest energy state (i.e., the ground state) of the electromagnetic field when the fields are quantized.
The QED vacuum or quantum electrodynamic vacuum is the field-theoretic vacuum of quantum electrodynamics. It is the lowest energy state (i.e., the ground state) of the electromagnetic field when the fields are quantized.
Source: Wikipedia "QED vacuum" · CC BY-SA 4.0
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