Quantum Bit Error Avoidance
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Abstract
Qubit errors might be avoided by using the quantum Zeno effect to inhibit evolution. 1 Errors Errors need to be dealt with and there are two possible approaches to this problem, error correction and error avoidance. 1.1 Digital versus analogue In digital systems only certain values are allowed, in contrast to analogue where all values in a range are valid. The advantage to digital is that errors may be detected and so corrected, but there are differences between quantum and classical digital systems. 2 The one bit error assumption 2.1 Classical digital systems For the sake of a concrete example we may be thinking of voltage levels, where logical 0 will be a certain low voltage range, and logical 1 at a higher range for the classical bit (think TTL or CMOS). Now there will be voltage fluctuations ∗ ashiekh@coloradomesa.edu