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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.

The Hamiltonian reads

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),

where X, P and M are the position, the momentum and the mass of the system respectively. qi, pi and mi are the position, the momentum and the mass of harmonic-oscillators.

 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Caldeira-Leggett_model". A list of authors is available in Wikipedia.
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