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cond-mat.mes-hall2026
Real-space spectral functions of three-dimensional billion-size topological non-Hermitian matter with tensor networks
Yitao Sun, Jose L. Lado, Guangze Chen
Non-Hermitian systems host unconventional topological phenomena, while real-space spectral calculations in three dimensions remain computationally challenging. Here, we develop a t…
quant-ph2026
Controlled-Z gates with giant atoms in structured waveguides
Walter Rieck, Ariadna Soro, Anton Frisk Kockum +1
Giant atoms are quantum emitters coupled to waveguides at multiple, spatially separated points, enabling interference effects that fundamentally change their light-matter interacti…