Effective Quantum Dynamics of Interacting Systems with Inhomogeneous Coupling

Details Effective Quantum Dynamics of Interacting Systems with Inhomogeneous Coupling Effective Quantum Dynamics of Interacting Systems with Inhomogeneous Coupling

2006-10-10

arxiv.org/abs/quant-ph/0610078v2

Phys. Rev. A 75, 033818 (2007)

Physics

Quantum Physics

9 pages and 10 figures, new version, accepted in Physical Review A

Scientific paper

We study the quantum dynamics of a single mode/particle interacting inhomogeneously with a large number of particles and introduce an effective approach to find the accessible Hilbert space where the dynamics takes place. Two relevant examples are given: the inhomogeneous Tavis-Cummings model (e.g., N atomic qubits coupled to a single cavity mode, or to a motional mode in trapped ions) and the inhomogeneous coupling of an electron spin to N nuclear spins in a quantum dot.

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