Significance of commutators in Quantum mechanics

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SUMMARY

The discussion centers on the significance of commutators in quantum mechanics, specifically contrasting them with Poisson brackets from classical mechanics. It is established that Poisson brackets are integral to the Hamiltonian formalism, while their quantum counterparts, the commutators, emerge during the quantization process. This transition highlights the foundational role of commutation relations in defining quantum systems and their observables.

PREREQUISITES
  • Understanding of Hamiltonian mechanics
  • Familiarity with classical mechanics concepts
  • Basic knowledge of quantum mechanics principles
  • Concept of quantization in physics
NEXT STEPS
  • Study the role of commutation relations in quantum mechanics
  • Explore the process of quantization in detail
  • Learn about the implications of Poisson brackets in classical mechanics
  • Investigate the relationship between classical and quantum mechanics
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Students of physics, particularly those studying quantum mechanics and classical mechanics, as well as researchers interested in the mathematical foundations of these theories.

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Homework Statement


why we do use commutation?

what is physical difference between commutators and Poisson Brackets?

Homework Equations





The Attempt at a Solution

 
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sadias_786 said:

Homework Statement


why we do use commutation?

what is physical difference between commutators and Poisson Brackets?

Homework Equations





The Attempt at a Solution


Poisson brackets are used in the Hamiltonian formalism of classical mechanics. When you quantise a theory, these become the commutators you know and love from quantum theory.
 

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