Quantum Physics: The complete guide to quantum physics, including wave functions, Heisenberg's uncertainty principle and quantum gravity by Sten Odenwald

Author:Sten Odenwald
Language: eng
Format: epub
Tags: Physics
ISBN: 9781839404023
Publisher: Arcturus Digital Limited
Published: 2019-11-07T16:56:59+00:00

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Key Points

• Quantum field theory is the relativistic theory for electrons and photons which describes fields of force as clouds of virtual particles that are exchanged subject to Heisenberg’s Uncertainty Principle.

• Virtual photons can violate conservation of energy as they are being exchanged by electrons, but only for a period of time limited by the Heisenberg Uncertainty Principle.

• The Lamb Shift represents an interaction between electrons in an atom and the virtual particles and processes occurring in the physical vacuum.

• Feynman diagrams represent the possible virtual processes available to a system of electrons and photons as they interact with the physical vacuum. They are not, however, literal ‘pictures’ of how those interactions appear in space and time.

• Renormalization is a technique for removing infinities by redefining the charge and mass of an electron so that infinities cancel out, and this has led to the development of Quantum Electrodynamics (QED).

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