What does it mean to "drive a particle" in a penning trap?

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Discussion Overview

The discussion revolves around the concept of "driving a particle" in a Penning trap, focusing on the implications of this process and the detection of the particle's position during it. Participants explore both classical and quantum mechanical perspectives related to this topic.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • Some participants inquire about the meaning of "driving" a particle in a Penning trap, expressing confusion about the process.
  • One participant references a detailed review paper that discusses classical and quantum models of a charged particle in a Penning trap, suggesting that no position measurements are made on the particle.
  • Another participant emphasizes the need for clarification on the term "drive," indicating that it involves applying an oscillating electromagnetic field to the particle.
  • There is a mention of specific content in the referenced paper that may provide further insights into the driving process.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the meaning of "driving" a particle, and there are multiple interpretations regarding the detection of the particle's position and the implications of the driving process.

Contextual Notes

Some assumptions about the detection methods and the nature of the electromagnetic fields applied may not be fully explored, leaving certain aspects of the discussion unresolved.

joegibs
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http://depts.washington.edu/uwptms/research.html
In a penning trap where they use sideband detection of the particle, they need to "drive" it. But what does that mean? Is the position of the particle detected anywhere along this process?
 
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This appears to be a detailed review of both classical and quantum mechanical models of a single charged particle in a Penning trap:

http://gabrielse.physics.harvard.edu/gabrielse/papers/1986/Review.pdf

From what I can gather from this paper, no position measurements are made on the particle in the trap.
 
PeterDonis said:
This appears to be a detailed review of both classical and quantum mechanical models of a single charged particle in a Penning trap:

http://gabrielse.physics.harvard.edu/gabrielse/papers/1986/Review.pdf

From what I can gather from this paper, no position measurements are made on the particle in the trap.
You read that whole paper?
But what does it mean to "drive" a particle? That's the part I really don't understand
 
joegibs said:
But what does it mean to "drive" a particle? That's the part I really don't understand
You apply an oscillating electromagnetic field to it. There's a fair amount of discussion starting around page 253 in the paper that PeterDonis linked.
 
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