蒸发冷却的直接模拟

Huang Wu, C. Foot
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引用次数: 62

摘要

我们用一种非常有效的方法模拟了被困原子的蒸发冷却,这种方法最初是为研究分子气体动力学而引入的。这种直接和直观的方法允许研究蒸发冷却过程的动力学,并且比其他方法需要更少的简化和假设。特别是,该方法不局限于接近平衡的分布,因此它可以准确地模拟快速强迫蒸发冷却,这是冷却捕获原子的重要技术。我们给出了一维、二维和三维强迫蒸发冷却的模拟结果。
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Direct Simulation of Evaporative Cooling
We have simulated the evaporative cooling of trapped atoms using a very efficient method originally introduced for the study of molecular gas dynamics. This straightforward and intuitive method allows the dynamics of the evaporative cooling process to be studied and requires fewer simplifications and assumptions than other methods. In particular, the method is not restricted to distributions close to equilibrium and therefore it can model accurately rapid forced evaporative cooling, which is an important technique for cooling trapped atoms. We present the results of simulations for forced evaporative cooling in one, two and three dimensions.
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