finite quantum systems
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Symmetry ◽  
2021 ◽  
Vol 13 (3) ◽  
pp. 408
Author(s):  
Chris Fields ◽  
James F. Glazebrook ◽  
Antonino Marcianò

Any interaction between finite quantum systems in a separable joint state can be viewed as encoding classical information on an induced holographic screen. Here we show that when such an interaction is represented as a measurement, the quantum reference frames (QRFs) deployed to identify systems and pick out their pointer states induce decoherence, breaking the symmetry of the holographic encoding in an observer-relative way. Observable entanglement, contextuality, and classical memory are, in this representation, logical and temporal relations between QRFs. Sharing entanglement as a resource requires a priori shared QRFs.


2020 ◽  
Vol 2020 (8) ◽  
pp. 083110 ◽  
Author(s):  
Ranjan Modak ◽  
Vincenzo Alba ◽  
Pasquale Calabrese

2018 ◽  
Vol 48 (5) ◽  
pp. 451-466
Author(s):  
Krissia Zawadzki ◽  
Irene D’Amico ◽  
Luiz N. Oliveira

2017 ◽  
Vol 19 (9) ◽  
pp. 093006 ◽  
Author(s):  
Euijin Jeon ◽  
Peter Talkner ◽  
Juyeon Yi ◽  
Yong Woon Kim

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