Stephen R. Clark
Viewpoint
Emerging Quantum Order in an Expanding Gas
The spontaneous emergence of long-range quantum order, normally the preserve of low-temperature equilibrium states, has been observed in an expanding cloud of potassium atoms. Read More »
Viewpoint
A New Spin on Thermometers for Extremely Low Temperatures
The temperature of an ultracold gas of rubidium atoms is measured precisely using internal quantum states of a single cesium atom. Read More »