What is the moon phase today? Today, Jan. 8, 2025, the moon is 9 days old, in the waxing gibbous phase of its lunar cycle. It is 70% illuminated. Moon phases reveal the passage of time in the ...

Deconfined quantum criticality represents a novel class of phase transitions that fall outside the Landau-Ginzburg theory, but experiments on material candidates show a weakly-first order transition.