RESEARCH
Coherence, Dephasing, and Why Room Temperature Is Hard
Excitons lose their quantum phase to phonons, disorder, and interactions — and that loss is the central obstacle to room-temperature excitonic quantum devices.
Topic
Coherence
2 stories on this topic, across the desks.
QUANTUM
Coherence Times: The Number That Decides Everything
Every excitonic quantum proposal lives or dies by the ratio of coherence time to operation time. This is the number to ask for first — and the one most often quoted without its context.