On Quantitative Determination of the Degree of Independence of Qubit Transformation by a Quantum Gate or Channel

M. P. Faleeva; I. Yu Popov; I. Žežula

doi:10.1134/S0030400X18050077

On Quantitative Determination of the Degree of Independence of Qubit Transformation by a Quantum Gate or Channel

M. P. Faleeva, I. Yu Popov^*, I. Žežula

^*Corresponding author voor dit werk

Onderzoeksoutput: Article › Academic › peer review

3 Citaten (Scopus)

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A multiqubit channel (quantum gate) is considered. A procedure of calculating the distance from the quantum-gate matrix to the subspace of matrices, which are tensor products of the transformation matrices of qubit subsystems, is proposed. The value of this distance indicates the degree of independence of transformation of these qubit subsystems. The proposed approach is considered as applied to waveguide implementation of quantum bits.

Originele taal-2	English
Pagina's (van-tot)	720-725
Aantal pagina's	6
Tijdschrift	Optics and Spectroscopy (English translation of Optika i Spektroskopiya)
Volume	124
Nummer van het tijdschrift	5
DOI's	https://doi.org/10.1134/S0030400X18050077
Status	Published - 1-mei-2018
Extern gepubliceerd	Ja

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title = "On Quantitative Determination of the Degree of Independence of Qubit Transformation by a Quantum Gate or Channel",

abstract = "A multiqubit channel (quantum gate) is considered. A procedure of calculating the distance from the quantum-gate matrix to the subspace of matrices, which are tensor products of the transformation matrices of qubit subsystems, is proposed. The value of this distance indicates the degree of independence of transformation of these qubit subsystems. The proposed approach is considered as applied to waveguide implementation of quantum bits.",

author = "Faleeva, {M. P.} and Popov, {I. Yu} and I. {\v Z}e{\v z}ula",

year = "2018",

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AU - Faleeva, M. P.

AU - Popov, I. Yu

AU - Žežula, I.

PY - 2018/5/1

Y1 - 2018/5/1

N2 - A multiqubit channel (quantum gate) is considered. A procedure of calculating the distance from the quantum-gate matrix to the subspace of matrices, which are tensor products of the transformation matrices of qubit subsystems, is proposed. The value of this distance indicates the degree of independence of transformation of these qubit subsystems. The proposed approach is considered as applied to waveguide implementation of quantum bits.

AB - A multiqubit channel (quantum gate) is considered. A procedure of calculating the distance from the quantum-gate matrix to the subspace of matrices, which are tensor products of the transformation matrices of qubit subsystems, is proposed. The value of this distance indicates the degree of independence of transformation of these qubit subsystems. The proposed approach is considered as applied to waveguide implementation of quantum bits.

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U2 - 10.1134/S0030400X18050077

DO - 10.1134/S0030400X18050077

M3 - Article

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SN - 0030-400X

VL - 124

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EP - 725

JO - Optics and Spectroscopy (English translation of Optika i Spektroskopiya)

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ER -

On Quantitative Determination of the Degree of Independence of Qubit Transformation by a Quantum Gate or Channel

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