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Topological transitions of the generalized Pancharatnam-Berry phase

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Topological transitions of the generalized Pancharatnam-Berry phase. / Ferrer-Garcia, Manuel F.; Snizhko, Kyrylo; D’Errico, Alessio et al.
In: Science Advances, Vol. 9, No. 47, 24.11.2023.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Ferrer-Garcia, MF, Snizhko, K, D’Errico, A, Romito, A, Gefen, Y & Karimi, E 2023, 'Topological transitions of the generalized Pancharatnam-Berry phase', Science Advances, vol. 9, no. 47. https://doi.org/10.1126/sciadv.adg6810

APA

Ferrer-Garcia, M. F., Snizhko, K., D’Errico, A., Romito, A., Gefen, Y., & Karimi, E. (2023). Topological transitions of the generalized Pancharatnam-Berry phase. Science Advances, 9(47). https://doi.org/10.1126/sciadv.adg6810

Vancouver

Ferrer-Garcia MF, Snizhko K, D’Errico A, Romito A, Gefen Y, Karimi E. Topological transitions of the generalized Pancharatnam-Berry phase. Science Advances. 2023 Nov 24;9(47). doi: 10.1126/sciadv.adg6810

Author

Ferrer-Garcia, Manuel F. ; Snizhko, Kyrylo ; D’Errico, Alessio et al. / Topological transitions of the generalized Pancharatnam-Berry phase. In: Science Advances. 2023 ; Vol. 9, No. 47.

Bibtex

@article{75f804138bb54c95892279d4d912d5a0,
title = "Topological transitions of the generalized Pancharatnam-Berry phase",
abstract = "Distinct from the dynamical phase, in a cyclic evolution, a system{\textquoteright}s state may acquire an additional component, a.k.a. geometric phase. Recently, it has been demonstrated that geometric phases can be induced by a sequence of generalized measurements implemented on a single qubit. Furthermore, it has been predicted that these geometric phases may exhibit a topological transition as a function of the measurement strength. We demonstrate and study this transition experimentally by using an optical platform where the qubit is represented by the polarization of light and the weak measurement is performed by means of coupling with the spatial degree of freedom. Our protocol can be interpreted in terms of environment-induced geometric phases, whose values are topologically determined by the environment-system coupling strength. Our results show that the two limits of geometric phase induced by sequences of either weak or projective measurements are topologically distinct.",
keywords = "Multidisciplinary",
author = "Ferrer-Garcia, {Manuel F.} and Kyrylo Snizhko and Alessio D{\textquoteright}Errico and Alessandro Romito and Yuval Gefen and Ebrahim Karimi",
year = "2023",
month = nov,
day = "24",
doi = "10.1126/sciadv.adg6810",
language = "English",
volume = "9",
journal = "Science Advances",
issn = "2375-2548",
publisher = "American Association for the Advancement of Science",
number = "47",

}

RIS

TY - JOUR

T1 - Topological transitions of the generalized Pancharatnam-Berry phase

AU - Ferrer-Garcia, Manuel F.

AU - Snizhko, Kyrylo

AU - D’Errico, Alessio

AU - Romito, Alessandro

AU - Gefen, Yuval

AU - Karimi, Ebrahim

PY - 2023/11/24

Y1 - 2023/11/24

N2 - Distinct from the dynamical phase, in a cyclic evolution, a system’s state may acquire an additional component, a.k.a. geometric phase. Recently, it has been demonstrated that geometric phases can be induced by a sequence of generalized measurements implemented on a single qubit. Furthermore, it has been predicted that these geometric phases may exhibit a topological transition as a function of the measurement strength. We demonstrate and study this transition experimentally by using an optical platform where the qubit is represented by the polarization of light and the weak measurement is performed by means of coupling with the spatial degree of freedom. Our protocol can be interpreted in terms of environment-induced geometric phases, whose values are topologically determined by the environment-system coupling strength. Our results show that the two limits of geometric phase induced by sequences of either weak or projective measurements are topologically distinct.

AB - Distinct from the dynamical phase, in a cyclic evolution, a system’s state may acquire an additional component, a.k.a. geometric phase. Recently, it has been demonstrated that geometric phases can be induced by a sequence of generalized measurements implemented on a single qubit. Furthermore, it has been predicted that these geometric phases may exhibit a topological transition as a function of the measurement strength. We demonstrate and study this transition experimentally by using an optical platform where the qubit is represented by the polarization of light and the weak measurement is performed by means of coupling with the spatial degree of freedom. Our protocol can be interpreted in terms of environment-induced geometric phases, whose values are topologically determined by the environment-system coupling strength. Our results show that the two limits of geometric phase induced by sequences of either weak or projective measurements are topologically distinct.

KW - Multidisciplinary

U2 - 10.1126/sciadv.adg6810

DO - 10.1126/sciadv.adg6810

M3 - Journal article

VL - 9

JO - Science Advances

JF - Science Advances

SN - 2375-2548

IS - 47

ER -