Is Planck's constant the key to understanding a quantum?

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SUMMARY

The discussion centers on the definition of "quantum" in physics and its relation to Planck's constant. Participants clarify that a quantum refers to discrete amounts of energy, with Planck's constant (6.62618 x 10-27 erg·s) being a fundamental unit of action in quantum mechanics. The conversation highlights the importance of understanding quantum mechanics beyond mere definitions, emphasizing the quantization of energy and the wave-particle duality of light and matter. Participants also critique the inadequacy of dictionary definitions in capturing the nuances of quantum physics.

PREREQUISITES
  • Understanding of basic physics concepts, particularly quantum mechanics.
  • Familiarity with Planck's constant and its significance in quantum theory.
  • Knowledge of wave-particle duality and its implications in physics.
  • Ability to interpret mathematical expressions related to energy and action.
NEXT STEPS
  • Research the implications of Planck's constant in quantum mechanics.
  • Study the concept of wave-particle duality in detail.
  • Explore the quantization of energy and its applications in modern physics.
  • Examine the historical development of quantum theory and its foundational principles.
USEFUL FOR

Students of physics, educators, and anyone interested in deepening their understanding of quantum mechanics and the fundamental principles governing energy and matter.

  • #61
Born2bwire said:
Once again, you need to look up and learn what Lagrangian mechanics, path integral, and the action are if you are going to start asking questions based on assumptions of their character.

Can you please tell me whether my definition of action in post #1 is correct or not.
 

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