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cond-mat.supr-con2026
Bulk Superconductivity driven by Disorder-Induced Delocalization in 4Hb-Ta(SSe)
Lu Chen, Sae-Hee Ryu, Avior Almoalem +10
The unconventional superconductor 4Hb-TaS is a natural heterostructure that can be broadly understood as interleaving Mott-like and metallic layers. We study the properties of…
quant-ph2026★ 20 cited
Mixed-state topological order and the errorfield double formulation of decoherence-induced transitions
Yimu Bao, Ruihua Fan, Ashvin Vishwanath +1
We develop an effective field theory characterizing the impact of decoherence on states with abelian topological order and on their capacity to protect quantum information. The dec…
cond-mat.supr-con2026
Gaplessness from disorder and quantum geometry in gapped superconductors
Omri Lesser, Sagnik Banerjee, Xuepeng Wang +3
It is well known that disorder can induce low-energy Andreev bound states in a sign-changing, but fully gapped, superconductor at junctions. Generically, these excitations are…