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math-ph2025
Gibbs state postulate from dynamical stability -- Redundancy of the zeroth law
Vjosa Blakaj, Matthias C. Caro, Anouar Kouraich +2
Gibbs states play a central role in quantum statistical mechanics as the standard description of thermal equilibrium. Traditionally, their use is justified either by a heuristic, a…
math-ph2025
Quantum tomography from the evolution of a single expectation
Hjalmar Rall, Michael M. Wolf
We investigate the possibility of performing full quantum tomography based on the homogeneous time evolution of a single expectation value. Remarkably, every non-trivial binary mea…