Pure vs. mixed quantum states
Автор: Professor M does Science
Загружено: 2021-02-17
Просмотров: 36405
📚 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 quantum mechanics || Concepts
Measurements | Maths: • Measurements in quantum mechanics || Mathe...
State collapse: • State collapse in quantum mechanics
⏭️ WHAT NEXT?
Density operator for pure states: • Density operator for pure quantum states
Density operator for mixed states: • Density operator for mixed quantum states
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Director and writer: BM
Producer and designer: MC
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