How can quantum field operators encode entanglement?

被引：0
|
作者：
Rubin, Mark A.
机构：
[1] Boston, MA
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2022年 / 37卷 / 28-29期
关键词：
Entanglement; quantum field theory; Deutsch-Hayden representation; identical particles; separability; locality; EVERETT INTERPRETATION; PHYSICAL REALITY; BELLS THEOREM; LOCALITY; EINSTEIN;
D O I：
10.1142/S0217751X22501743
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
We present techniques to construct the Deutsch-Hayden representation for quantum field operators and apply them to an entangled state of identical nonrelativistic spin-1/2 fermions localized in well-separated spatial regions. Using these entangled field operators we construct operators measuring spin in localized spatial regions, and verify that matrix elements of the spin-measurement operators in the information-free Deutsch-Hayden state yield the expected correlations between pairs of both entangled and unentangled particles. The entangled Deutsch-Hayden representation field operators furnish an explicitly separable description of the entangled system.
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页数：26
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