SYMMETRY IN PHYSICAL LAWS - Deepstash
SYMMETRY IN PHYSICAL LAWS

SYMMETRY IN PHYSICAL LAWS

  1. Symmetry Operations    
  2. Translation in space
  3. Translation in time
  4. Rotation through a fixed angle    
  5. Uniform velocity in a straight line (Lorentz transformation):
  6. Reversal of time: if we could see the individual molecules, we would not be able to discern whether the machinery was working forwards or backwards.
  7. Reflection of space
  8. Interchange of identical atoms or identical particles: all electrons are the same; all protons are the same; all positive pions are the same; and so on.
  9. Quantum-mechanical phase
  10. Matter-antimatter (charge conjugation)  

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prince_rahul

The more one seeks to rise into height and light, the more vigorously do ones roots struggle earthward, downward, into the dark, the deep — into evil.

Richard Phillips Feynman (May 11, 1918 – February 15, 1988) was an American theoretical physicist, known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, the physics of the superfluidity of supercooled liquid helium, as well as his work in particle physics for which he proposed the parton model. For his contributions to the development of quantum electrodynamics, Feynman received the Nobel Prize in Physics in 1965 jointly with Julian Schwinger and Shin'ichirō Tomonaga.

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