Colloquium: Synthetic quantum matter in non-standard geometries
arXiv:2407.06105 · doi:10.1103/RevModPhys.97.011001
Abstract
Quantum simulation is making a significant impact on scientific research. The prevailing tendency of the field is to build quantum simulators that get closer to real-world systems of interest, in particular electronic materials. However, progress in the microscopic design also provides an opportunity for an orthogonal research direction: building quantum many-body systems beyond real-world limitations. This colloquium takes this perspective: Concentrating on synthetic quantum matter in non-standard lattice geometries, such as fractal lattices or quasicrystals, higher-dimensional or curved spaces, it aims at providing a fresh introduction to the field of quantum simulation aligned with recent trends across various quantum simulation platforms, including atomic, photonic, and electronic devices. We also shine light on the novel phenomena which arise from these geometries: Condensed matter physicists may appreciate the variety of different localization properties as well as novel topological phases which are offered by such exotic quantum simulators. But also in the search of quantum models for gravity and cosmology, quantum simulators of curved spaces can provide a useful experimental tool.
accepted version (35 pages, 11 figures)
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- Topological photonics in nanoscaled systems with far field radiation and polarization singularities
- Swinging small quantum systems out of available values of control parameters
- Superluminal modes in a quantum field simulator for cosmology from analog trans-Planckian physics
- Parallel spin transport and holonomy in non-Euclidean curved circuits on a spherical two-dimensional electron gas