Formula:2907

Digital Library of Mathematical Functions ID 5.20.E4

${\displaystyle{\displaystyle W=-\sum_{1\leq\ell<j\leq n}\ln|e^{i\theta_{\ell}}-e^{i\theta_{j}}|,}}$

Symbols List

• ${\displaystyle{\displaystyle\mathrm{e}}}$: base of natural logarithm
• ${\displaystyle{\displaystyle\mathrm{i}}}$: imaginary unit
• ${\displaystyle{\displaystyle\ln\NVar{z}}}$: principal branch of logarithm function
• ${\displaystyle{\displaystyle j}}$: nonnegative integer
• ${\displaystyle{\displaystyle n}}$: nonnegative integer
• ${\displaystyle{\displaystyle W}}$: potential energy
 

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