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quant-ph2026
Unconditional quantum advantage with noisy planar architectures
Libor Caha, Robert Koenig, Louis Paletta
We consider quantum devices restricted to local operations in 2D and subject to local stochastic noise below a constant threshold. We show that such circuits are computationally mo…
quant-ph2026
Haah's 3D cubic code thermalizes rapidly
Sebastian Stengele, Libor Caha, Ángela Capel +1
Haah's 3D cubic code was introduced as a candidate for a self-correcting quantum memory in three dimensions, using the absence of string logical operators to obstruct thermal error…