Over 4000 free audio and video lectures, seminars and teaching resources from Oxford University.
Skip to Content Skip to Navigation

Thank you for visiting! Please consider filling out our questionnaire. This will help us improve our service providing free educational media recorded from the University of Oxford. Many thanks!

Click here to access the survey (3 minutes to complete).

“Open” Quantum Systems

Loading Video...
Duration: 0:47:29 | Added: 06 Jul 2018
This talk reviews how to deal with quantum systems that are coupled to the outside world, as in reality all systems are.

We first introduce density operators and explain how quantum states give rise to them. We then turn to measures of entanglement that can be computed from a density operator, and show that entanglement grows with time. Finally, we show how the interaction with the environment gives rise to the phenomenon of decoherence.

People:
Oxford Unit:
Copy and paste this HTML snippet to embed the audio or video on your site: