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Optimal entropic uncertainty relation in two-dimensional Hilbert space

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URI: http://hdl.handle.net/10016/6593
ISSN: 0375-9601
DOI: 10.1016/S0375-9601(98)00292-8
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1998-07-20
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Elsevier
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Abstract
The exact lower bound on the sum of the information entropies is obtained for arbitrary pairs of observables in two-dimensional Hilbert space. The result coincides with that given by Garrett and Gull for the particular case of real transformation matrices and state vectors. A weaker analytical bound is also obtained.
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Uncertainty principle, Quantum measurements, Entropy
Bibliographic citation
Physics Letters A, 1998, vol. 244, n. 4, p. 189-195
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