Stern-Gerlachov eksperiment

Stern-Gerlachov eksperiment Snimka ekrana  Preuzimanje  Ugrađivanje
  • Kvantna mehanika
  • Spin
  • Kvantno mjerenje

Teme

  • Kvantna mehanika
  • Spin
  • Kvantno mjerenje

Opis

The classic Stern-Gerlach Experiment shows that atoms have a property called spin. Spin is a kind of intrinsic angular momentum, which has no classical counterpart. When the z-component of the spin is measured, one always gets one of two values: spin up or spin down.

Uzorak ciljeva učenja

  • Describe the observations made in the Stern-Gerlach experiment.
  • Describe how spins behave in the presence of a magnetic field.
  • Recognize that spin is quantized.
  • Describe how measuring spin along some direction changes its state.
  • Argue from experimental observations that spin in the x direction and spin in the z direction must be incompatible observables.
Verzija 2.02

Savjeti učitelja

Download teacher tips PDF Pregled kontrole simulacije, pojednostavljenje modela i uvid u učenička razmišljanja ( PDF ).

Aktivnosti predane od strane učitelja

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Dizajnerski tim Biblioteke treće strane Zahvale
  • Michael Dubson (developer/lead)
  • Sam McKagan (co-lead)
  • Carl Wieman
  • Interviewer: Sam McKagan