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quant-ph2020
Effective quantum dynamics induced by a driven two-level-system bath
Katja Kustura, Oriol Romero-Isart, Carlos Gonzalez-Ballestero
We derive a Born-Markov master equation describing the dissipation induced by a bath of lossy but coherently driven two-level systems (TLS) coupled to a bosonic system via Jaynes-C…
quant-ph2018
Quadratic Quantum Hamiltonians: General Canonical Transformation to a Normal Form
Katja Kustura, Cosimo C. Rusconi, Oriol Romero-Isart
A system of linearly coupled quantum harmonic oscillators can be diagonalized when the system is dynamically stable using a Bogoliubov canonical transformation. However, this is ju…