How does the concept of wave functions apply to large objects?

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SUMMARY

The discussion centers on the application of wave functions to large objects, emphasizing the particle/wave duality inherent in quantum mechanics. Participants highlight that while all objects possess a wavelength, the significance of this phenomenon diminishes with increasing size, making it primarily relevant for subatomic particles like electrons and photons. George Gamov's Mr. Tompkins books illustrate these concepts through imaginative scenarios, demonstrating the implications of altering Planck's constant on the behavior of larger entities, such as elephants and tigers.

PREREQUISITES
  • Understanding of quantum mechanics principles, particularly particle/wave duality.
  • Familiarity with Planck's constant and its role in quantum physics.
  • Basic knowledge of wave functions and their mathematical representation.
  • Awareness of the implications of quantum effects on macroscopic objects.
NEXT STEPS
  • Explore the concept of wave-particle duality in greater depth.
  • Study the implications of Planck's constant on quantum mechanics.
  • Read George Gamov's Mr. Tompkins series for illustrative examples of quantum effects.
  • Investigate the mathematical formulation of wave functions in quantum physics.
USEFUL FOR

Physics enthusiasts, students of quantum mechanics, and anyone interested in the philosophical implications of wave functions on macroscopic objects.

Ty1erC
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Let me preface this by saying I am no physicist. This is a hobby of mine, and I'm trying to piece together knowledge as pick it up from different sources.

I understand the particle/wave duality of particles like electrons (at least I think so). I cannot grasp, however, the leap in thinking that associates ALL objects (like people) with wave functions. Can someone enlighten me on this?
 
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Everything has a wavelength but the larger the object the smaller the wavelength so it's only noticeable for pretty small things - like electrons or photons.

There is a great series of books by the famous physicist George Gamov, the Mr Tompkins books, one of which describes what would happen if Planks constant (the number that sets the size of this effect) were larger. Elephants would just be a little but fussy around the edges but a mosquito would be spread of a cubic mile and impossible to swat. tigers running though a forest would be diffracted and come out at different angles.
 

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