Remote parameter estimation in a quantum spin chain enhanced by local control

Jukka Kiukas; Kazuya Yuasa; Daniel Burgarth

doi:10.1103/PhysRevA.95.052132

Remote parameter estimation in a quantum spin chain enhanced by local control

Jukka Kiukas, Kazuya Yuasa, Daniel Burgarth

Adran Mathemateg

Waseda University

Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

11 Dyfyniadau (Scopus)

138 Wedi eu Llwytho i Lawr (Pure)

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We study the interplay of control and parameter estimation on a quantum spin chain. A single qubit probe is attached to one end of the chain, while we wish to estimate a parameter on the other end. We find that control on the probe qubit can substantially improve the estimation performance and discover some interesting connections to quantum state transfer

Iaith wreiddiol	Saesneg
Rhif yr erthygl	052132
Cyfnodolyn	Physical Review A
Cyfrol	95
Rhif cyhoeddi	5
Dynodwyr Gwrthrych Digidol (DOIs)	https://doi.org/10.1103/PhysRevA.95.052132
Statws	Cyhoeddwyd - 31 Mai 2017

Mynediad at Ddogfen

10.1103/PhysRevA.95.052132

Remote parameter estimation in a quantum spin chain enhanced by local controlLlawysgrif awdur wedi’i dderbyn, 517 KB

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Dolen barhaus

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Jukka Kiukas
- jek20aber.acuk
- Adran Mathemateg - Lecturer
Unigolyn: Dysgu ac Ymchwil

1 Wedi Gorffen

Control characterisation of noisy quantum devices
Burgarth, D. (Prif Ymchwilydd)
Engineering & Physical Sciences Research Council
01 Meh 2015 → 30 Medi 2016
Prosiect: Ymchwil a ariannwyd yn allanol

Dyfynnu hyn

@article{a19928a4ec174f2ab018b07220b7eacc,

title = "Remote parameter estimation in a quantum spin chain enhanced by local control",

abstract = "We study the interplay of control and parameter estimation on a quantum spin chain. A single qubit probe is attached to one end of the chain, while we wish to estimate a parameter on the other end. We find that control on the probe qubit can substantially improve the estimation performance and discover some interesting connections to quantum state transfer",

author = "Jukka Kiukas and Kazuya Yuasa and Daniel Burgarth",

note = "Funding Information: This work was supported by the Top Global University Project from the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan. D.B. acknowledges support from the EPSRC Grant No. EP/M01634X/1. K.Y. was supported by the Grant-in-Aid for Scientific Research (C) (No. 26400406) from the Japan Society for the Promotion of Science (JSPS) and by the Waseda University Grant for Special Research Projects (No. 2016K-215 and No. 2017K-236). Publisher Copyright: {\textcopyright} 2017 American Physical Society.",

year = "2017",

month = may,

day = "31",

doi = "10.1103/PhysRevA.95.052132",

language = "English",

volume = "95",

journal = "Physical Review A",

issn = "1050-2947",

publisher = "American Physical Society",

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T1 - Remote parameter estimation in a quantum spin chain enhanced by local control

AU - Kiukas, Jukka

AU - Yuasa, Kazuya

AU - Burgarth, Daniel

N1 - Funding Information: This work was supported by the Top Global University Project from the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan. D.B. acknowledges support from the EPSRC Grant No. EP/M01634X/1. K.Y. was supported by the Grant-in-Aid for Scientific Research (C) (No. 26400406) from the Japan Society for the Promotion of Science (JSPS) and by the Waseda University Grant for Special Research Projects (No. 2016K-215 and No. 2017K-236). Publisher Copyright: © 2017 American Physical Society.

PY - 2017/5/31

Y1 - 2017/5/31

N2 - We study the interplay of control and parameter estimation on a quantum spin chain. A single qubit probe is attached to one end of the chain, while we wish to estimate a parameter on the other end. We find that control on the probe qubit can substantially improve the estimation performance and discover some interesting connections to quantum state transfer

AB - We study the interplay of control and parameter estimation on a quantum spin chain. A single qubit probe is attached to one end of the chain, while we wish to estimate a parameter on the other end. We find that control on the probe qubit can substantially improve the estimation performance and discover some interesting connections to quantum state transfer

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U2 - 10.1103/PhysRevA.95.052132

DO - 10.1103/PhysRevA.95.052132

M3 - Article

SN - 1050-2947

VL - 95

JO - Physical Review A

JF - Physical Review A

IS - 5

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ER -

Remote parameter estimation in a quantum spin chain enhanced by local control

Crynodeb

Mynediad at Ddogfen

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Ffeiliau eraill a chysylltiadau

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Proffiliau

Jukka Kiukas

Prosiectau

Control characterisation of noisy quantum devices

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