We use the exact solution for the damped harmonic oscillator to discuss some relevant aspects of its open dynamics are often misunderstood. We compare two different approximations both referred to as a rotating wave approximation. Using a specific example, we clarify some issues related to non-Markovian dynamics, non-Lindblad-type dynamics, and positivity of the density matrix.
|Number of pages||6|
|Journal||JOURNAL OF OPTICS|
|Publication status||Published - 2004|
All Science Journal Classification (ASJC) codes
- Atomic and Molecular Physics, and Optics
- Physics and Astronomy (miscellaneous)