Geometry and dynamics of quantum state diffusion
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Publication:5291874
DOI10.1088/1751-8113/40/22/012zbMATH Open1114.81021arXiv0704.1365OpenAlexW3101101979MaRDI QIDQ5291874
Publication date: 19 June 2007
Published in: Journal of Physics A: Mathematical and Theoretical (Search for Journal in Brave)
Abstract: Riemannian metric on real 2n-dimensional space associated with the equation governing complex diffusion of pure states of an open quantum system is introduced and studied. Examples of a qubit under the influence of dephasing and thermal environments are used to show that the curvature of the diffusion metric is a good indicator of the properties of the environment dominated evolution and its stability.
Full work available at URL: https://arxiv.org/abs/0704.1365
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