The DOI matches its Crossref record; 12 of the 12 references it cites were found in a registry or an index.
Chiral ground-state currents of interacting photons in a synthetic magnetic field
Open accessAbstract
The intriguing many-body phases of quantum matter arise from the interplay of particle interactions, spatial symmetries, and external fields. Generating these phases in an engineered system could provide deeper insight into their nature. Using superconducting qubits, we simultaneously realize synthetic magnetic fields and strong particle interactions, which are among the essential elements for studying quantum magnetism and fractional quantum Hall phenomena. The artificial magnetic fields are synthesized by sinusoidally modulating the qubit couplings. In a closed loop formed by the three qubits, we observe the directional circulation of photons, a signature of broken time-reversal symmetry. We demonstrate strong interactions through the creation of photon vacancies, or ‘holes’, which circulate in the opposite direction. The combination of these key elements results in chiral ground-state currents. Our work introduces an experimental platform for engineering quantum phases of strongly interacting photons. Superconducting circuits, coupled to form a ring in which a photonic excitation can circulate between sites, are established as a versatile platform for studying the interplay of strong particle interactions and external fields.
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Cites
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“To measure 〈Îchiral〉 in the single-photon manifold, initially we prepare ψ0=|100〉, followed by a ramp up of the Hamiltonian parameters to generate equation (2) for variousΦB values (olive colour, Fig.”
BackgroundMethodInfluentialSynthetic magnetic fields for ultracold neutral atoms
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Cited by
Ozawa, T., Price, H. M., Amo, A., Goldman, N., Hafezi, M., Lu, L., Rechtsman, M. C., Schuster, D., Simon, J., Zilberberg, O., et al. (2019) · Reviews of Modern Physics · doi:10.1103/revmodphys.91.015006 · Cited by 3,722
Superconducting Qubits: Current State of Play
Kjaergaard, M., Schwartz, M. E., Braumüller, J., Krantz, P., Wang, J. I.-J., Gustavsson, S., & Oliver, W. D. (2020) · Annual Review of Condensed Matter Physics · doi:10.1146/annurev-conmatphys-031119-050605 · Cited by 1,544
Non-reciprocal photonics based on time modulation
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A dissipatively stabilized Mott insulator of photons
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Low-Depth Quantum Simulation of Materials
Babbush, R., Wiebe, N., McClean, J., McClain, J., Neven, H., & Chan, G. K.-L. (2018) · Physical Review X · doi:10.1103/physrevx.8.011044 · Cited by 335
Self-citation
Metadata
- Authors
- Roushan, P., Neill, C., Megrant, A., Chen, Y., Babbush, R., Barends, R., Campbell, B., Chen, Z., Chiaro, B., Dunsworth, A., Fowler, A., Jeffrey, E., Kelly, J., Lucero, E., Mutus, J., O’Malley, P. J. J., Neeley, M., Quintana, C., Sank, D., Vainsencher, A., Wenner, J., White, T., Kapit, E., Neven, H., & Martinis, J.
- Venue
- Nature Physics
- Published
- 2016-10-31
- Volume
- 13
- Issue
- 2
- Pages
- 146-151
- ISSN
- 1745-2473 (ISSN-L)
- 1745-2481
- OpenAlex
- W2414386976
- Cited by
- 492
- References
- 12
- FWCI
- 16.35
- Type
- journal article
- Language
- en
- Open access
- green
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- Roushan, P., Neill, C., Megrant, A., Chen, Y., Babbush, R., Barends, R., Campbell, B., Chen, Z., Chiaro, B., Dunsworth, A., Fowler, A., Jeffrey, E., Kelly, J., Lucero, E., Mutus, J., O’Malley, P. J. J., Neeley, M., Quintana, C., Sank, D., . . . Martinis, J. (2017). Chiral ground-state currents of interacting photons in a synthetic magnetic field. Nature Physics. https://doi.org/10.1038/nphys3930
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