Undergrad Is there a Crookes radiometer device with photoelectric effect?

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SUMMARY

The discussion centers on the Crookes radiometer and its operational principles, specifically regarding the photoelectric effect. It concludes that using plaques made from different materials to induce the photoelectric effect would not significantly increase the rotation speed of the radiometer. The rotation direction is determined by the differential heating of the black and white sides, with the white side facing the light source. Understanding these principles is crucial for analyzing the device's functionality.

PREREQUISITES
  • Crookes radiometer mechanics
  • Photoelectric effect principles
  • Thermal dynamics related to light absorption
  • Material properties affecting light interaction
NEXT STEPS
  • Research the principles of the photoelectric effect in detail
  • Explore the thermal dynamics of the Crookes radiometer
  • Investigate different materials and their light absorption characteristics
  • Learn about the historical experiments conducted with Crookes radiometers
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Physics students, materials scientists, and anyone interested in the principles of light and heat interaction in experimental devices.

jonjacson
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TL;DR
I am looking for a device similar to a Crookes radiometer but using the photoelectric effect.
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Probably nor.
Do you understand why a radiometer turns in the directgion it does?, (White side forward) That's our starting point.
 

Thread 'Two equivalent statements of time reversal symmetric Hamiltonian'

Time reversal invariant Hamiltonians must satisfy ##[H,\Theta]=0## where ##\Theta## is time reversal operator. However, in some texts (for example see Many-body Quantum Theory in Condensed Matter Physics an introduction, HENRIK BRUUS and KARSTEN FLENSBERG, Corrected version: 14 January 2016, section 7.1.4) the time reversal invariant condition is introduced as ##H=H^*##. How these two conditions are identical?
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