Dr Marios Hadjimichael has published a paper in Physical Review X titled 'Assessing the ubiquity of Bloch domain walls in ferroelectric lead titanate superlattices.'Link opens in a new window

A new community of academics researching various astrophysical discs came together at their first launch meeting at the University of Warwick in September. Spearheaded by Warwick astrophysicists, the UK & Ireland Discs community has been set up to foster close connections and collaborations between the many researchers working on astrophysical discs.

PhD student Syl Shaw and supervisor Rudo Roemer apply the real-space renormalisation group method to the Chalker–Coddington model of the quantum Hall transition. This approach provides a convenient numerical estimation of the localisation critical exponent, ν. Previous such studies found ν=2.39 which falls considerably short of the current best estimates by transfer matrix (2.593) and exact-diagonalisation studies (2.58). By increasing the amount of data 500 fold they can now measure closer to the critical point and find an improved estimate 2.51. This deviates only 3% from the previous two values and is already better than the 7% accuracy of the classical small-cell renormalisation approach from which their method is adapted.