二维水的1/t压力和费米子行为
1/t pressure and fermion behaviour of water in two dimensions
摘要：
各种金属真空系统都表现出著名的1/t压强，即对时间t的幂律依赖性，其指数接近于1，其起源一直存在争议。在这里，我们提出了一个化学吸附模型的水吸附物，根据参数的费米子行为的水蒸汽吸附在不锈钢表面上，并获得解析的幂律行为的压力，指数的统一。此外，该模型预测，根据T^（3/2），压力应该取决于温度T，这确实被我们的实验所证实。我们的研究结果应有助于阐明吸附水的独特特性。
英文摘要：
A variety of metal vacuum systems display the celebrated 1/t pressure, namely power-law dependence on time t, with the exponent close to unity, the origin of which has been a long-standing controversy. Here we propose a chemisorption model for water adsorbates, based on the argument for fermion behaviour of water vapour adsorbed on a stainless-steel surface, and obtain analytically the power-law behaviour of pressure, with an exponent of unity. Further, the model predicts that the pressure should depend on the temperature T according to T^(3/2), which is indeed confirmed by our experiment. Our results should help elucidate the unique characteristics of the adsorbed water.
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