Field quantization

  • #1
hi, i studied the field quantization in terms of raising and lowering operators , in its derivation we consider cavity- my question -a) Is field consider to be quantized in cavity only ?
b)how do we link mode of electromagnetic field with harmonic oscillator ?
 

Answers and Replies

  • #2
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hi, i studied the field quantization in terms of raising and lowering operators , in its derivation we consider cavity- my question -a) Is field consider to be quantized in cavity only ?
b)how do we link mode of electromagnetic field with harmonic oscillator ?
You really need to study QFT from the start. If you know basic QM check out the following:
https://www.physicsforums.com/threads/is-light-a-wave-or-a-particle.511178/

And if you don't then really you need to do that first. The above book is unique in that you don't need advanced QM - the following will suffice:
https://www.amazon.com/dp/0465036678/?tag=pfamazon01-20&tag=pfamazon01-20

It examines these fundamental issues very carefully.

Thanks
Bill
 
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