Quantum Entanglement, Bell's inequalities and Quantum Cryptography

Hake, B.O. (2014) Quantum Entanglement, Bell's inequalities and Quantum Cryptography. Bachelor's Thesis, Physics.

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Abstract

This bachelor thesis contains an answer to a paradox in quantum mechanics. The quantum phenomenon of entanglement will be discussed. Based on Bell's inequalities, it is shown how was dealt with this phenomenon and what answer to the paradox imposed by it was given. Experiments substantiating this theory will be examined in Section 4. Based on the experiments of Aspect and his companions, local-hidden variables, as imposed by the paradox, are shown to be incompatible with experimental data. In Section 5 and 6, others versions and generalizations of Bell's original inequality will be given. These provide us with the same conclusion as drawn from the original one. In Section 7, a useful application of quantum entanglement will be discussed. It is shown that based on quantum mechanical laws and Bell's inequalities, cryptographic processes can be safe from potential thiefs.

Item Type:	Thesis (Bachelor's Thesis)
Degree programme:	Physics
Thesis type:	Bachelor's Thesis
Language:	English
Date Deposited:	15 Feb 2018 07:57
Last Modified:	15 Feb 2018 07:57
URI:	https://fse.studenttheses.ub.rug.nl/id/eprint/11845

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