49 citations · 352 across the 22 of their papers we have counts for
22 papers
Topology from Decoherence
Alexandre Chaduteau, Derek Lee, Frank Schindler +1
Decoherence is conventionally regarded as an obstacle to realizing topological quantum phases. This has motivated extensive efforts to suppress noise in candidate topological mater…
Lindbladian versus Postselected Non-Hermitian Topology
Alexandre Chaduteau, Derek K. K. Lee, Frank Schindler
The recent topological classification of non-Hermitian `Hamiltonians' is usually interpreted in terms of pure quantum states that decay or grow with time. However, many-body system…
Quantised Bulk Conductivity as a Local Chern Marker
Peru d'Ornellas, Ryan Barnett, Derek K. K. Lee
A central property of Chern insulators is the robustness of the topological phase and edge states to impurities in the system. Despite this, Chern number cannot be straightforwardl…
Experimental signature of a topological quantum dot
Marie S. Rider, Maria Sokolikova, Stephen M. Hanham +8
Topological insulators (TIs) present a neoteric class of materials, which support delocalised, conducting surface states despite an insulating bulk. Due to their intriguing electro…
Disorder Protected and Induced Local Zero-Modes in Longer-Range Kitaev Chains
Simon Lieu, Derek K. K. Lee, Johannes Knolle
We study the effects of disorder on a Kitaev chain with longer-range hopping and pairing terms which is capable of forming local zero energy excitations and, hence, serves as a min…
Intertwined Superfluid and Density Wave Order in a -Orbital Bose Condensate
Simon Lieu, Andrew F. Ho, Derek K. K. Lee +1
We study a continuum model of the weakly interacting Bose gas in the presence of an external field with minima forming a triangular lattice. The second lowest band of the single-pa…