University of Sydney
Talks by Stephen Bartlett
Symmetry, topology, and thermal stability
Stephen Bartlett
University of Sydney
The interplay of symmetry and topology in quantum many-body systems can lead to novel phases of matter, with applications in quantum memories and resources for quantum computing. While we understand the range of phenomena quite well in 2-d systems, there are many open questions for the 3-d case, in particular what kind of symmetries and topology can allow for thermal stability in 3-d models. I’ll present some of the results and open questions in this direction, using the 3-d toric code and the RBH models as examples.
Contextuality and quantum simulation
Stephen Bartlett
University of Sydney
PSI 2016/2017 - Quantum Theory - Lecture 12
Stephen Bartlett
University of Sydney
Tensor networks – an introduction
PSI 2016/2017 - Quantum Theory - Lecture 11
Stephen Bartlett
University of Sydney
Perturbation theory – Schrieffer-Wolf (arXiv:1105.0675)
PSI 2016/2017 - Quantum Theory - Lecture 10
Stephen Bartlett
University of Sydney
Perturbation theory – Schrieffer-Wolf (arXiv:1105.0675)
PSI 2016/2017 - Quantum Theory - Lecture 9
Stephen Bartlett
University of Sydney
Quantum measurement – von Neumann, QND, weak measurements, Wigner’s friend
PSI 2016/2017 - Quantum Theory - Lecture 8
Stephen Bartlett
University of Sydney
Quantum noise (N&C Chapter 8)
PSI 2016/2017 - Quantum Theory - Lecture 7
Stephen Bartlett
University of Sydney
Quantum harmonic oscillator – Standard treatment based on creation/annihilation operators