Weak Measurement Protocols for Majorana Bound State Identification

Research output: Contribution to journalJournal articlepeer-review

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Weak Measurement Protocols for Majorana Bound State Identification. / Manousakis, J.; Wille, C.; Altland, A.; Egger, R.; Flensberg, K.; Hassler, F.

In: Physical Review Letters, Vol. 124, No. 9, 096801, 06.03.2020.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Manousakis, J, Wille, C, Altland, A, Egger, R, Flensberg, K & Hassler, F 2020, 'Weak Measurement Protocols for Majorana Bound State Identification', Physical Review Letters, vol. 124, no. 9, 096801. https://doi.org/10.1103/PhysRevLett.124.096801

APA

Manousakis, J., Wille, C., Altland, A., Egger, R., Flensberg, K., & Hassler, F. (2020). Weak Measurement Protocols for Majorana Bound State Identification. Physical Review Letters, 124(9), [096801]. https://doi.org/10.1103/PhysRevLett.124.096801

Vancouver

Manousakis J, Wille C, Altland A, Egger R, Flensberg K, Hassler F. Weak Measurement Protocols for Majorana Bound State Identification. Physical Review Letters. 2020 Mar 6;124(9). 096801. https://doi.org/10.1103/PhysRevLett.124.096801

Author

Manousakis, J. ; Wille, C. ; Altland, A. ; Egger, R. ; Flensberg, K. ; Hassler, F. / Weak Measurement Protocols for Majorana Bound State Identification. In: Physical Review Letters. 2020 ; Vol. 124, No. 9.

Bibtex

@article{bc05141e82364fe5a532ba210ef8155a,
title = "Weak Measurement Protocols for Majorana Bound State Identification",
abstract = "We propose a continuous weak measurement protocol testing the nonlocality of Majorana bound states through current shot noise correlations. The experimental setup contains a topological superconductor island with three normal-conducting leads weakly coupled to different Majorana states. Putting one lead at finite voltage and measuring the shot noise correlations between the other two (grounded) leads, devices with true Majorana states are distinguished from those without by strong current correlations. The presence of true Majorana states manifests itself in unusually high noise levels or the near absence of noise, depending on the chosen device configuration. Monitoring the noise statistics amounts to a weak continuous measurement of the Majorana qubit and yields information similar to that of a full braiding protocol, but at much lower experimental effort. Our theory can be adapted to different platforms and should allow for the clear identification of Majorana states.",
author = "J. Manousakis and C. Wille and A. Altland and R. Egger and K. Flensberg and F. Hassler",
year = "2020",
month = mar,
day = "6",
doi = "10.1103/PhysRevLett.124.096801",
language = "English",
volume = "124",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "9",

}

RIS

TY - JOUR

T1 - Weak Measurement Protocols for Majorana Bound State Identification

AU - Manousakis, J.

AU - Wille, C.

AU - Altland, A.

AU - Egger, R.

AU - Flensberg, K.

AU - Hassler, F.

PY - 2020/3/6

Y1 - 2020/3/6

N2 - We propose a continuous weak measurement protocol testing the nonlocality of Majorana bound states through current shot noise correlations. The experimental setup contains a topological superconductor island with three normal-conducting leads weakly coupled to different Majorana states. Putting one lead at finite voltage and measuring the shot noise correlations between the other two (grounded) leads, devices with true Majorana states are distinguished from those without by strong current correlations. The presence of true Majorana states manifests itself in unusually high noise levels or the near absence of noise, depending on the chosen device configuration. Monitoring the noise statistics amounts to a weak continuous measurement of the Majorana qubit and yields information similar to that of a full braiding protocol, but at much lower experimental effort. Our theory can be adapted to different platforms and should allow for the clear identification of Majorana states.

AB - We propose a continuous weak measurement protocol testing the nonlocality of Majorana bound states through current shot noise correlations. The experimental setup contains a topological superconductor island with three normal-conducting leads weakly coupled to different Majorana states. Putting one lead at finite voltage and measuring the shot noise correlations between the other two (grounded) leads, devices with true Majorana states are distinguished from those without by strong current correlations. The presence of true Majorana states manifests itself in unusually high noise levels or the near absence of noise, depending on the chosen device configuration. Monitoring the noise statistics amounts to a weak continuous measurement of the Majorana qubit and yields information similar to that of a full braiding protocol, but at much lower experimental effort. Our theory can be adapted to different platforms and should allow for the clear identification of Majorana states.

UR - http://www.scopus.com/inward/record.url?scp=85082287924&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.124.096801

DO - 10.1103/PhysRevLett.124.096801

M3 - Journal article

C2 - 32202888

AN - SCOPUS:85082287924

VL - 124

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 9

M1 - 096801

ER -

ID: 241832603