. . . . "Critical points, e.g. temperature when magnet stops working, are badly understood with microscopic models. Scaling laws (?). Universality classes of systems with the same \"critical-point exponents and scaling functions\". Renormalization (?)." . . . "Tobias Kuhn" . "2026-02-23T19:36:31.915Z"^^ . . . . . . "Have read: doi:10.1103/RevModPhys.71.S358" . . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD4Wj537OijfOWVtsHMznuXKISqBhtGDQZfdO6pbb4hg9EHMcUFGTLbWaPrP783PHv8HMAAPjvEkHLaOHMIknqhaIa5236lfBO3r+ljVdYBElBcLvROmwG+ZGtmPNZf7lMhI15xf5TfoaSa84AFRd5J2EXekK6PhaFQhRm1IpSYtwIDAQAB" . "Kx/FHA2rp6pFQor6d82acRJKOvSyMH/qF0pNCtjrEO0kCowhDtuz09cxEaUR5iEALhhGmW18Og5GxZpTM4miNs7woSjcHZ2wfFfcesqhRg7pVoFcTahDc//NEKEWz0xkX9j3SjbmeD886nq92kXtkP9q0/dUwc8mVM2X7k8T67k=" . . .