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quant-ph2025
Equilibration and the eigenstate thermalization hypothesis as limits to observing macroscopic quantum superpositions
Gabriel Dias Carvalho, Pedro S. Correia, Thiago R. de Oliveira
Macroscopic quantum superpositions are widely believed to be unobservable because large systems cannot be perfectly isolated from their environments. Here, we show that even under…
quant-ph2025
Necessity of entanglement for the typicality argument in statistical mechanics
Pedro S. Correia, Gabriel Dias Carvalho, Thiago R. de Oliveira
Typicality arguments replace the postulated mixed state ensembles of statistical mechanics with pure states sampled uniformly at random, explaining why most microstates of large sy…