Quantum Computation and Communication with Qubit Systems
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Andrea Casaccino, Università degli Studi di Siena, 2010
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Abstract
The essential goal of quantum information is to determinate how the quantum laws ruling the peculiar phenomena that happen at atomic scale, can be used to enhance the capabilities of computers and communication systems. Physical experiments have shown that the control of the quantum phenomena at atomic scale not only is possible but it may possibly open the way to many interesting applications. Remarkably, potential applications include the possibility of breaking existing cryptographic systems and the ability of transferring information in a manner whose security against eavesdropping is not based on computational issues but guaranteed by the impossibility of violating quantum physics axioms. This means that physical phenomena can be exploited in order to guarantee more computational power and higher security on ciphered communications.
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