Time-Dependent Density Functional Theory for Open Quantum Systems with Unitary Propagation

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Time-Dependent Density Functional Theory for Open Quantum Systems with Unitary Propagation

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Title: Time-Dependent Density Functional Theory for Open Quantum Systems with Unitary Propagation
Author: Yuen-Zhou, Joel; Tempel, David Gabriel; Rodríguez-Rosario, César A.; Aspuru-Guzik, Alan

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Citation: Yuen-Zhou, Joel, David Gabriel, César A. Rodríguez-Rosario, and Alán Aspuru-Guzik. 2010. Time-dependent density functional theory for open quantum systems with unitary propagation. Physical Review Letters 104(4): 043001.
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Abstract: We extend the Runge-Gross theorem for a very general class of open quantum systems under weak assumptions about the nature of the bath and its coupling to the system. We show that for Kohn-Sham (KS) time-dependent density functional theory, it is possible to rigorously include the effects of the environment within a bath functional in the KS potential. A Markovian bath functional inspired by the theory of nonlinear Schrödinger equations is suggested, which can be readily implemented in currently existing real-time codes. Finally, calculations on a helium model system are presented.
Published Version: doi:10.1103/PhysRevLett.104.043001
Other Sources: http://arxiv.org/abs/0902.4505v3
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:4646394
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