Quantum Physics2026-06-272 minarXiv:2606.28660expressHow quantum chaos gives birth to thermal equilibriumA sugar cube dropped into tea dissolves, and soon the entire liquid is uniformly sweet. This path to equilibrium is so familiar that it seems obvious.Adalberto D. Varizi·Daniel Jonathan·Thiago R. de Oliveirasecond law of thermodynamicsSaha equationLudwig BoltzmannRudolf ClausiusCecilia Payne-Gaposchkinentropyquantum thermodynamicsenthalpyquantum entanglementquantum gravity👍👎☆SimplePopularAdvanced