Acquisition of a Hellium-Three Dilution Refrigerator (Materials Research)

提供资本设备资金用于稀释 冰箱及配件 该设备将用于 实验研究的性质，二维 由液态氦或固态氢支持的流体和固体 面 这个系统，由简单的粒子组成， 理解相互作用并由光滑基底支撑， 一个容易进行理论分析的系统，是一个理想的 二维系统的原型。 理论认为 从这个系统收集的信息应该是有价值的， 了解相变和其他性质的两个 更难研究的三维系统。 一 对这一系统的研究也将检验新的理论技术 最近的预测。 主要研究者经验丰富，受到好评 在该领域 该设备将大大提高 低温物理学计划支持的研究。

Capital equipment funds are provided for a dilution refrigerator and accessories. This equipment will be used on experiments which investigate the properties of two-dimensional fluids and solids supported by a liquid helium or solid hydrogen surface. This system, made up of simple particles with well understood interactions and supported by a smooth substrate, is a system easily subjected to theoretical analysis and is an ideal prototype of two-dimensional systems. Theory suggests that information gleaned from this system should be valuable in the understanding of phase transitions and other properties of two dimensional systems which are more difficult to investigate. A study of this system will also test new theoretical techniques and recent predictions. The principal investigator is experienced and well-regarded in this field. This equipment will enhance considerably the research supported by the Low Temperature Physics Program.