Spontaneous magnon coherence at room temperature unlocks key phase transition for macroscopic quantum states

https://phys.org/news/2026-07-spontaneous-magnon-coherence-room-temperature.html

"magnons' high densities can undergo Bose-Einstein condensation/ settle into lowest-energy state, spontaneously organizing into 1 collective phase without external excitation... phase-resolved, short, intense, precise microwave pulses directed at yttrium iron garnet (prized for exceptionally long magnon lifetime) relaxes dense magnon gas within fraction of ㎲ into 1, pure, coherent harmonic frequency with randomly seeded phase... highly efficient, low-power spintronic computing devices"