Geometric and holonomic quantum computation

J Zhang, TH Kyaw, S Filipp, LC Kwek, E Sjöqvist… - Physics Reports, 2023 - Elsevier
Geometric and holonomic quantum computation utilizes intrinsic geometric properties of
quantum-mechanical state spaces to realize quantum logic gates. Since both geometric …

Observation of non-Abelian Thouless pump

O You, S Liang, B Xie, W Gao, W Ye, J Zhu, S Zhang - Physical Review Letters, 2022 - APS
Thouless pump provides robust ways to realize quantized transport of waves and particles,
and it casts the static 2D quantum Hall effect onto 1D dynamic systems where one of the …

Artificial non-Abelian lattice gauge fields for photons in the synthetic frequency dimension

D Cheng, K Wang, S Fan - Physical Review Letters, 2023 - APS
Non-Abelian gauge fields give rise to nontrivial topological physics. Here we develop a
scheme to create an arbitrary SU (2) lattice gauge field for photons in the synthetic frequency …

Synthetic non-Abelian topological charges in ultracold atomic gases

QD Wang, YQ Zhu, SL Zhu, Z Zheng - Physical Review A, 2024 - APS
Topological phases associated with non-Abelian charges can exhibit a distinguished bulk-
edge correspondence compared with Abelian phases, although elucidating this relationship …

Chiral dynamics of ultracold atoms under a tunable SU (2) synthetic gauge field

Q Liang, Z Dong, JS Pan, H Wang, H Li, Z Yang, W Yi… - Nature Physics, 2024 - nature.com
Surface currents arise in superconductors under magnetic fields and are a key signature of
the Meissner effect. Similarly, chiral dynamics have been observed in quantum simulators …

Complete unitary qutrit control in ultracold atoms

J Lindon, A Tashchilina, LW Cooke, LJ LeBlanc - Physical Review Applied, 2023 - APS
Physical quantum systems are commonly composed of more than two levels and offer the
capacity to encode information in higher-dimensional spaces beyond the qubit, starting with …

Measurement of non-Abelian gauge fields using multiloop amplification

QX Lv, HZ Liu, YX Du, LQ Chen, M Wang, JH Liang… - Physical Review A, 2023 - APS
Non-Abelian gauge field plays a central role in understanding the geometrical and
topological phenomena in physics. Here we experimentally induce a non-Abelian gauge …

Measuring quantum geometric tensor of non-Abelian system in superconducting circuits

W Zheng, J Xu, Z Ma, Y Li, Y Dong, Y Zhang… - Chinese Physics …, 2022 - iopscience.iop.org
Topology played an important role in physics research during the last few decades. In
particular, the quantum geometric tensor that provides local information about topological …

Investigation of Floquet engineered non-Abelian geometric phase for holonomic quantum computing

LW Cooke, A Tashchilina, M Protter, J Lindon, T Ooi… - Physical Review …, 2024 - APS
Holonomic quantum computing functions by transporting an adiabatically degenerate
manifold of computational states around a closed loop in a control-parameter space; this …

Detecting a topological transition of quantum braiding in a threefold-degenerate eigensubspace

ZW Han, JH Liang, ZX Fu, HZ Liu, ZY Chen, M Wang… - Physical Review A, 2024 - APS
The braiding operations of quantum states have attracted substantial attention due to their
great potential for realizing topological quantum computations. In this paper, we show that a …