A quantum circuit to generate random numbers within a specific interval
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URI: http://hdl.handle.net/10835/15563
DOI: 10.1140/epjqt/s40507-023-00174-1
DOI: 10.1140/epjqt/s40507-023-00174-1
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Orts Gómez, Francisco José; Filatovas, Ernestas; Martín Garzón, Gracia Ester; Ortega López, GloriaFecha
2023-05-25Resumen
Random numbers are of vital importance in fields such as cyptography and scientific simulations. However, it is well known how difficult it is for classical computers to generate random numbers. This is not the case for quantum computers, which are able to genuinely generate random numbers thanks to the property of superposition and their counter-intuitive concept of measurement. However, despite the simplicity of designing a circuit that generates a random number between 0 and 2^N-1
(being N the number of available qubits), designing a quantum circuit to generate a number within a specific interval is far from trivial. This paper proposes a customizable circuit design to generate random numbers. The circuit is non- hardware dependent, it allows fault-tolerance, and it can be used by current quantum devices. Therefore, it is a valuable tool for all those quantum applications and algorithms that need to work with random numbers. Moreover, a comparator circuit has also been designed as...