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# Caldeira-Leggett model

The Caldeira-Leggett model is a widely known model for quantum dissipation. It was invented and studied by Amir Caldeira and Anthony James Leggett in the early 1980's.

$H=\frac{P^2}{2 M} + V(X) + X \sum_i{C_i q_i} + \sum_i\left(\frac{p_i^2}{2 m_i}+\frac{1}{2}m_i q_i^2\right)$,