André R. R. Carvalho, Florian Mintert, Stefan Palzer, Andreas Buchleitner
Published 2005-08-16Version 1
We investigate the time evolution of entanglement for bipartite systems of arbitrary dimensions under the influence of decoherence. For qubits, we determine the precise entanglement decay rates under different system-environment couplings, including finite temperature effects. For qudits, we show how to obtain upper bounds for the decay rates and also present exact solutions for various classes of states.
Comments: 8 pages, 2 figures
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