scholarly journals Conditions for entanglement transformation between a class of multipartite pure states with generalized Schmidt decompositions

2007 ◽  
Vol 76 (4) ◽  
Author(s):  
Yu Xin ◽  
Runyao Duan
Keyword(s):  
Pure States ◽  
Entanglement Transformation

Simple Procedure for Entanglement Transformation of Bipartite Pure States

2008 ◽  
Vol 49 (3) ◽  
pp. 652-654
Author(s):  
Wu Chun-Wang ◽  
Chen Ping-Xing ◽  
Li Cheng-Zu
Keyword(s):  
Simple Procedure ◽  
Pure States ◽  
Entanglement Transformation

scholarly journals Scattering in Terms of Bohmian Conditional Wave Functions for Scenarios with Non-Commuting Energy and Momentum Operators

Entropy ◽  
2021 ◽  
Vol 23 (4) ◽  
pp. 408
Author(s):  
Matteo Villani ◽  
Guillermo Albareda ◽  
Carlos Destefani ◽  
Xavier Cartoixà ◽  
Xavier Oriols
Keyword(s):  
Single Particle ◽  
Degrees Of Freedom ◽  
Single Photon ◽  
Open Quantum Systems ◽  
Wave Functions ◽  
Practical Application ◽  
Light Matter Interaction ◽  
Pure States ◽  
Energy And Momentum ◽  
Full Quantum

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).

Classical pure states are coherent states

1985 ◽  
Vol 111 (8-9) ◽  
pp. 409-411 ◽  
Author(s):  
Mark Hillery
Keyword(s):  
Coherent States ◽  
Pure States

Schmidt measure is not fully additive for pure states

2008 ◽  
Vol 78 (2) ◽  
Author(s):  
W. Huang ◽  
Zhaohui Wei
Keyword(s):  
Pure States
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