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Symbols of Multiqubit States Admitting a Physical Interpretation*.

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Title: Symbols of Multiqubit States Admitting a Physical Interpretation*.
Authors: Adam, Peter1, Andreev, Vladimir A.2 andrvlad@yandex.ru, Man’ko, Margarita A.2, Man’ko, Vladimir I.2
Source: Journal of Russian Laser Research. Jul2018, Vol. 39 Issue 4, p360-375. 16p.
Subjects: Qubits, Probability density function, Wave functions, Interleukin-1, Quantum theory
Abstract: We study the multiqubit states and the corresponding minimal sets of dequantizers and quantizers, such that symbols of the operators (observables) obtained with the help of the dequantizers admit a physical interpretation; more precisely, the symbols can be measured in the experiments. We consider two types of such quantities: (i) the probabilities of spin projections onto certain directions and (ii) the mean values of these projections. We provide an explicit description of the systems of dequantizers and quantizers for both types of these quantities corresponding to N-qubit states. We show that, in view of such symbols, it is possible to represent the density matrices of the N-qubit states in the form of series expansion in terms of quantizers with the coefficients as measurable observables. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Russian Laser Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Symbols of Multiqubit States Admitting a Physical Interpretation*.
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  Data: <searchLink fieldCode="AR" term="%22Adam%2C+Peter%22">Adam, Peter</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Andreev%2C+Vladimir+A%2E%22">Andreev, Vladimir A.</searchLink><relatesTo>2</relatesTo><i> andrvlad@yandex.ru</i><br /><searchLink fieldCode="AR" term="%22Man’ko%2C+Margarita+A%2E%22">Man’ko, Margarita A.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Man’ko%2C+Vladimir+I%2E%22">Man’ko, Vladimir I.</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Russian+Laser+Research%22">Journal of Russian Laser Research</searchLink>. Jul2018, Vol. 39 Issue 4, p360-375. 16p.
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  Data: <searchLink fieldCode="DE" term="%22Qubits%22">Qubits</searchLink><br /><searchLink fieldCode="DE" term="%22Probability+density+function%22">Probability density function</searchLink><br /><searchLink fieldCode="DE" term="%22Wave+functions%22">Wave functions</searchLink><br /><searchLink fieldCode="DE" term="%22Interleukin-1%22">Interleukin-1</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+theory%22">Quantum theory</searchLink>
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  Data: We study the multiqubit states and the corresponding minimal sets of dequantizers and quantizers, such that symbols of the operators (observables) obtained with the help of the dequantizers admit a physical interpretation; more precisely, the symbols can be measured in the experiments. We consider two types of such quantities: (i) the probabilities of spin projections onto certain directions and (ii) the mean values of these projections. We provide an explicit description of the systems of dequantizers and quantizers for both types of these quantities corresponding to N-qubit states. We show that, in view of such symbols, it is possible to represent the density matrices of the N-qubit states in the form of series expansion in terms of quantizers with the coefficients as measurable observables. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Russian Laser Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: Jul2018
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