Speaker
Caroline De Groot
(MPI fo Quantum Optics)
Description
This talk will discuss the stability of symmetry protected topological (SPT) order under noisy channels. It has been shown that SPT order is destabilized by simple models of noise, collapsing the classification of SPT phases into a single trivial phase, even if the noise is symmetric in the usual sense. We introduce a stronger symmetry condition on channels that ensures that they preserve SPT order.
Authors
Dr
Alex Turzillo
(MPI for Quantum Optics)
Caroline De Groot
(MPI fo Quantum Optics)
Prof.
Norbert Schuch
(U Vienna)
