scholarly journals On the nodal structure of single-particle approximation based atomic wave functions

2008 ◽  
Vol 129 (5) ◽  
pp. 054103 ◽  
Author(s):  
Dario Bressanini ◽  
Gabriele Morosi
Entropy ◽  
2021 ◽  
Vol 23 (4) ◽  
pp. 408
Author(s):  
Matteo Villani ◽  
Guillermo Albareda ◽  
Carlos Destefani ◽  
Xavier Cartoixà ◽  
Xavier Oriols

Without access to the full quantum state, modeling quantum transport in mesoscopic systems requires dealing with a limited number of degrees of freedom. In this work, we analyze the possibility of modeling the perturbation induced by non-simulated degrees of freedom on the simulated ones as a transition between single-particle pure states. First, we show that Bohmian conditional wave functions (BCWFs) allow for a rigorous discussion of the dynamics of electrons inside open quantum systems in terms of single-particle time-dependent pure states, either under Markovian or non-Markovian conditions. Second, we discuss the practical application of the method for modeling light–matter interaction phenomena in a resonant tunneling device, where a single photon interacts with a single electron. Third, we emphasize the importance of interpreting such a scattering mechanism as a transition between initial and final single-particle BCWF with well-defined central energies (rather than with well-defined central momenta).


2002 ◽  
Vol 88 (2) ◽  
pp. 263-274 ◽  
Author(s):  
Shun S. Lo ◽  
Daniel A. Morales

1994 ◽  
Vol 577 (3-4) ◽  
pp. 691-708 ◽  
Author(s):  
V.F. Dmitriev ◽  
I.B. Khriplovich ◽  
V.B. Telitsin

1932 ◽  
Vol 42 (1) ◽  
pp. 33-43 ◽  
Author(s):  
J. C. Slater
Keyword(s):  

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