Interplay between NISQ Devices and Symmetry

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Physics".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 2503

Special Issue Editors


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Guest Editor
Department of Chemistry/Computer Science, University of Toronto, Toronto, ON, Candada
Interests: quantum computing; quantum machine intelligence; open quantum systems; quantum control; many-body physics

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Guest Editor
Department of physics, Universidad de Santiago de Chile, Santiago, Chile
Interests: superconducting qubits and circuit QED; quantum many-body systems; driven-dissipative quantum systems; light-matter interaction in low-dimensional systems; quantum information

Special Issue Information

Dear Colleagues,

We live in exciting moments where one can control quantum devices on the fly over the cloud. However, packaging in more and more such devices, potential decoherence is imminent. To attain a functional, scalable, practical quantum computer, one needs to understand and manipulate such fragile quantum devices in the presence of noise or counter it by doing some manipulations. We hope that the symmetry present in the quantum system might help design or create robust quantum devices that are protective against certain types of noise. The interplay between noisy-intermediate scale quantum (NISQ) devices and their symmetries may also help surpass challenges such as moving beyond the paradigm of equilibrium statistical mechanics and the numerical simulation of open quantum systems and providing a route for predicting novel out-of-equilibrium states without static analogue. In this Special Issue, we intend to gather a series of articles related to the interplay between symmetry and NISQ devices, including but not exclusively dedicated to quantum error mitigation, dynamical phase transitions and decoherence, and numerical methods in open quantum systems. We welcome theory papers with relevant implications in quantum platforms, such as trapped ions and superconducting circuits.

Dr. Thi Ha Kyaw
Dr. Guillermo Romero
Guest Editors

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Keywords

  • NISQ devices
  • open quantum systems
  • quantum error mitigation
  • quantum error correction
  • quantum transport and phase transitions

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Published Papers (1 paper)

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Research

16 pages, 4601 KiB  
Article
Stable Many-Body Resonances in Open Quantum Systems
by Rubén Peña, Thi Ha Kyaw and Guillermo Romero
Symmetry 2022, 14(12), 2562; https://doi.org/10.3390/sym14122562 - 4 Dec 2022
Cited by 1 | Viewed by 1781
Abstract
Periodically driven quantum many-body systems exhibit novel nonequilibrium states, such as prethermalization, discrete time crystals, and many-body localization. Recently, the general mechanism of fractional resonances has been proposed that leads to slowing the many-body dynamics in systems with both U(1) [...] Read more.
Periodically driven quantum many-body systems exhibit novel nonequilibrium states, such as prethermalization, discrete time crystals, and many-body localization. Recently, the general mechanism of fractional resonances has been proposed that leads to slowing the many-body dynamics in systems with both U(1) and parity symmetry. Here, we show that fractional resonance is stable under local noise models. To corroborate our finding, we numerically study the dynamics of a small-scale Bose–Hubbard model that can readily be implemented in existing noisy intermediate-scale quantum (NISQ) devices. Our findings suggest a possible pathway toward a stable nonequilibrium state of matter, with potential applications of quantum memories for quantum information processing. Full article
(This article belongs to the Special Issue Interplay between NISQ Devices and Symmetry)
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