Quantum Physics and Atomic Physics

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Discussion Overview

The discussion revolves around the definitions and distinctions between atomic physics and quantum physics. Participants explore the historical context and the current understanding of these fields, touching on their applications and relevance in experiments.

Discussion Character

  • Conceptual clarification, Debate/contested

Main Points Raised

  • One participant questions the definition of atomic physics and its differences from quantum physics, suggesting a lack of clarity.
  • Another participant proposes that quantum physics governs interactions at all scales but is particularly evident in small objects like atoms.
  • A third post shares a resource that may provide further insights into the relationship between quantum mechanics and atomic physics.
  • It is noted that quantum mechanics was initially developed to explain atomic structure, and some argue that atomic physics is now a subtopic within the broader field of quantum mechanics.
  • Some participants emphasize the importance of atoms in experimental tests of quantum mechanics, indicating a significant overlap between the two fields.

Areas of Agreement / Disagreement

Participants express differing views on the relationship between atomic physics and quantum physics, with no consensus reached on their definitions or distinctions.

Contextual Notes

There are unresolved questions regarding the definitions and scope of both atomic and quantum physics, as well as the historical evolution of these fields.

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TL;DR
What’s the difference?
I think Atomic physics gets into specific examples and experiments but I think I’m probably wrong. So, I have to ask, what is atomic physics and how is it different than quantum physics?
 
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Quantum Physics (probably) governs the interaction of all things but is most evident for small objects. Atoms are small objects ubiquitous to us.
 
Quantum mechanics was originally developed to understand the structure of atoms, hence historically was also called atomic physics. QM has now evolved beyond considering only atoms, so atomic physics should be seen as a subtopic in the field of quantum mechanics.

Not that atoms play a very important role experimentally in testing many aspects of quantum mechanics.
 
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