Energy delta when a particle of coordinates \( (\vec{x}, \vec{\mu}) \) is added (\( + \)) or removed (\( - \)). \[ \Delta U = \sum_{\vec{k}} w_\alpha(\vec{k}) (\vec{k} \cdot \vec{\mu}) \left[ \pm 2 \Re\left( e^{i\vec{k}\cdot\vec{x}} S^\ast(\vec{k}) \right) + (\vec{k} \cdot \vec{\mu}) \right] \]
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(Abstract_DES_Reci_Visitor), | intent(in) | :: | this | |||
| integer, | intent(in) | :: | i_component | |||
| type(Concrete_Particle), | intent(in) | :: | particle | |||
| real(kind=DP), | intent(in) | :: | signed |
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