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d-meiser / cold-atoms / 199 / 2
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Ran 28 Jul 2017 11:35AM UTC
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28 Jul 2017 11:32AM UTC coverage: 95.455%. Remained the same
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Merge pull request #40 from d-meiser/fix-coulomb-potential

Fix Coulomb constant.

I had this coded up as k_e = 4\pi\epsilon_0 when it should have been k_e = (4\pi\epsilon_0)^{-1}.

Making this change lead to a bunch of problems with floating point overflow with how we were handling small distances between particles. To fix these I reverted to a simpler evaluation of the Coulomb force. For large scale MD simulations we'll have to revisit this.

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