Quantum Antennas

by
ISBN: 9789386677808
Subject Category:
Estimated Delivery Time: 7 to 10 days delivery

$1,895

Binding

Paperback

YOP

2019

ISBN

9789386677808

Subject Category

Physics

Pages

280

Print

This book is about several questions regarding how to describe the quantization of the current density in an antenna and about the nature of the quantum electromagnetic field produced by such a quantum current density. The second quantized current density can be built out of the Dirac field of electrons and positrons while the free electromagnetic or photon field is built out of solutions to the wave equation with coefficients being operators, namely the creation and annihilation operators of the photons. The Dirac field also consists of free waves whose coefficients are operator fields in momentum space, namely the creation and annihilation fields of electrons and positrons. After computing the electromagnetic field produced by a second quantized current, the problem of determining quantum fluctuations in these fields in a given state of the electrons and positrons is addressed.

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