Entangled Schr\"odinger cat states, vacuum projector and Bell-CHSH inequality
S. P. Sorella
TL;DR
This paper demonstrates how vacuum projectors and displacement operators can be used to construct operators that test the violation of Bell-CHSH inequality in entangled Schrödinger cat states, advancing quantum nonlocality studies.
Contribution
It introduces a novel method using vacuum projectors and displacement operators to analyze Bell inequality violations in entangled cat states.
Findings
Bell-CHSH inequality violation observed in entangled Schrödinger cat states
New Hermitian dichotomic operators constructed for quantum tests
Method enhances understanding of quantum nonlocality in macroscopic superpositions
Abstract
Use of the vacuum projector and of the unitary displacement operators enables us to construct Hermitian dichotomic operators. These operators are employed to scrutinize the violation of the Bell-CHSH inequality for entangled coherent Schr\"odinger cat states.
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Taxonomy
TopicsCold Atom Physics and Bose-Einstein Condensates · Quantum Mechanics and Applications · Quantum Information and Cryptography