Volume 69, Number 6, March 2005
|Page(s)||868 - 873|
|Published online||23 February 2005|
Decoherence from an antiferromagnetic environment
Department of Physics, Shanghai Jiao Tong University Shanghai 200240, PRC
Corresponding author: firstname.lastname@example.org
Accepted: 25 January 2005
The decoherence of a central spin in an antiferromagnetic environment is investigated theoretically in terms of the spin wave approximation. It is analytically shown that the decoherence factor which displays a Gaussian decay strongly depends on the quantum correlations and the structure of the environment. The relation between the decoherence factor and the environmental temperature is also given explicitly.
PACS: 03.65.Yz – Decoherence; open systems; quantum statistical methods / 03.67.-a – Quantum information / 75.30.Ds – Spin waves
© EDP Sciences, 2005
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