Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session W65: Quantum Information in AMO Physics II
3:00 PM–5:48 PM,
Thursday, March 9, 2023
Room: Room 414
Sponsoring
Unit:
DAMOP
Chair: Wenlu Shi, University of California, Irvine
Abstract: W65.00014 : Simulating continuous symmetry models with discrete ones*
5:36 PM–5:48 PM
Presenter:
Alberto Giuseppe Catalano
(Ruder Boskovic Institute - University of Strasbourg)
Authors:
Alberto Giuseppe Catalano
(Ruder Boskovic Institute - University of Strasbourg)
Fabio Franchini
(Ruder Boskovic Institute)
Salvatore Marco Giampaolo
(Ruder Boskovic Institute)
Daria Brtan
(SISSA and INFN section of Trieste)
In this work we show that this phenomenon can be exploited for the realization of quantum simulations. In particular, introducing topological frustration in spin chains characterized by a discrete local symmetry, such as a short-range completely anisotropic Heisenberg model or the XY chain, they develop a region in parameter space where their features mimic those of models whose Hamiltonians possess continuous symmetries.
This result, together with those of other works in the same field, points towards the conclusion that topologically frustrated systems constitute interesting and efficient platforms for the development of promising quantum technologies.
A. G. Catalano, D. Brtan, F. Franchini and S. M. Giampaolo,
"Simulating continuous symmetry models with discrete ones", Phys. Rev. B 106, 125145 (2022)
V. Maric, S. M. Giampaolo and F. Franchini,
"The frustration of being odd: how boundary conditions can destroy local order",
New Journal of Physics, 22, 083024 (2020)
V. Maric, S. M. Giampaolo and F. Franchini, "Quantum phase transition induced by topological frustration", Communications Physics 3, 220 (2020)
G. Torre, V. Maric, D. Kuic, F. Franchini and S. M. Giampaolo, "Odd thermodynamic limit for the Loschmidt echo", Phys. Rev. B 105, 184424 (2022)
J. Odavic, T. Haug, G. Torre, A. Hamma, F. Franchini and S. M. Giampaolo, "Complexity of frustration: a new source of non-local non-stabilizerness", arXiv:2209.10541
*A. G. Catalano acknowledges support from the MOQS ITN programme, a European Union’s Horizon 2020 research and innovation program under the Marie Sklodowska-Curie grant agreement number 955479.S.M.G and F.F. acknowledge support from the Croatian Science Funds Project No. IP-2019–4–3321 and the QuantiXLie Center of Excellence, a project co-financed by the Croatian Government and European 12 Union through the European Regional Development Fund–the Competitiveness and Cohesion Operational Programme (Grant KK.01.1.1.01.0004).
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