%AZhou, Chengkang%AYan, Zheng%AWu, Han-Qing%ASun, Kai%AStarykh, Oleg%AMeng, Zi%BJournal Name: Physical Review Letters; Journal Volume: 126; Journal Issue: 22 %D2021%I %JJournal Name: Physical Review Letters; Journal Volume: 126; Journal Issue: 22 %K %MOSTI ID: 10381890 %PMedium: X %TAmplitude Mode in Quantum Magnets via Dimensional Crossover %X %0Journal Article