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📚 Probability arises in quantum mechanics every time we perform a measurement. However, probability also features more generally in science to describe systems for which we only have partial information. In this video, we consider what happens when we have a system for which we only have partial information, but this system is a quantum system. In these cases, we need to consider both types of probability, and to do so we use pure states and mixed states.
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⏮️ BACKGROUND
Measurements | Concepts: • Measurements in quantu...
Measurements | Maths: • Measurements in quantu...
State collapse: • State collapse in quan...
⏭️ WHAT NEXT?
Density operator for pure states: • Density operator for p...
Density operator for mixed states: • Density operator for m...
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Director and writer: BM
Producer and designer: MC