Quantum theory of radiation

In summary, the conversation discusses the link between the harmonic oscillator and the modes of the radiation field, as explained by Dirac in his quantum theory of radiation. The reference in Wikipedia and the equation in the provided link demonstrate the analogy between the two, and the book "Quantum Field Theory for the Gifted Amateur" and the paper "Styer Am J Phys 2002.pdf" provide a detailed explanation of this connection.
  • #1
wasi-uz-zaman
89
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hi , i am not getting how harmonic oscillator is linked to the modes of radiation field- as explain by Dirac in his quantum theory of radiation.
 
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wasi-uz-zaman said:
hi , i am not getting how harmonic oscillator is linked to the modes of radiation field- as explain by Dirac in his quantum theory of radiation.

Get a hold of Quantum Field Theory for the Gifted Amateur:
https://www.amazon.com/dp/019969933X/?tag=pfamazon01-20

There are a number of different equivalent forms of QM. There is a form based on annihilation and creation operators, which is not that well known, that brings out this connection very clearly. The above reference explains it in detail.

Added Later

Check out:
http://math.bu.edu/people/mak/Styer Am J Phys 2002.pdf

See formulation 7

Thanks
Bill
 
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FAQ: Quantum theory of radiation

What is the quantum theory of radiation?

The quantum theory of radiation is a scientific theory that describes the behavior and properties of electromagnetic radiation on a quantum level. It explains how light and other forms of electromagnetic radiation are made up of individual packets of energy, known as photons.

How does the quantum theory of radiation differ from classical physics?

The quantum theory of radiation differs from classical physics in that it takes into account the wave-particle duality of light. While classical physics views light as a continuous wave, quantum theory explains that light can also behave as discrete particles (photons).

What is the significance of the quantum theory of radiation?

The quantum theory of radiation is significant because it helps us understand the behavior of light and other forms of electromagnetic radiation at a microscopic level. It has many practical applications, including the development of technologies such as lasers, solar cells, and medical imaging devices.

Who developed the quantum theory of radiation?

The quantum theory of radiation was developed by several scientists, including Max Planck, Albert Einstein, Niels Bohr, and Werner Heisenberg, among others. Each of these scientists made significant contributions to the understanding of quantum mechanics and its application to the study of radiation.

What are the key principles of the quantum theory of radiation?

The key principles of the quantum theory of radiation include the wave-particle duality of light, the quantization of energy, and the probabilistic nature of quantum phenomena. It also includes concepts such as superposition, entanglement, and the uncertainty principle, which are fundamental to understanding the behavior of particles at a quantum level.

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