Double slit experiment with electrons

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Discussion Overview

The discussion revolves around the detection of electrons in the double slit experiment, specifically how to detect an electron passing through one of the slits without obstructing its path to the detection screen. The conversation touches on theoretical and experimental aspects of quantum mechanics.

Discussion Character

  • Exploratory, Technical explanation, Experimental/applied

Main Points Raised

  • One participant questions how detection can occur without blocking the electron, mentioning that a semiconductor detector would intercept the electron.
  • Another participant suggests that using light to shine on the electron path is a common method for detection, referencing the use of polarizers to mark the path.
  • A different approach is proposed, where a passing electron generates a magnetic field pulse that could potentially be detected using a Hall effect sensor.
  • One participant expresses gratitude for references and mentions they are reviewing a paper provided by another participant.

Areas of Agreement / Disagreement

Participants do not appear to reach a consensus on the best method for detecting electrons without blocking them, as multiple methods are proposed and discussed.

Contextual Notes

The discussion includes references to specific detection methods but lacks detailed explanations of how each method operates in practice. There are also assumptions regarding the effectiveness of the proposed detection techniques that are not fully explored.

Who May Find This Useful

This discussion may be of interest to those studying quantum mechanics, experimental physics, or anyone curious about the double slit experiment and electron detection methods.

Davephaelon
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When it's desired to detect an electron coming through one of the slits in the mask of the double slit experiment, how exactly is the detection done without blocking the electron from reaching the background screen? In another thread it's mentioned that a semiconductor detector is placed behind one of the slits, but that would presumably intercept the electron and prevent it from reaching the screen.
 
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A passing electron generates a magnetic field pulse. That might be detectable with a Hall efffect sensor.
 
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Thanks DrChinese and BvU for the references and the suggested electron detection method. I'm currently reading the paper DrChinese provided a reference for.
 

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