Non-Hermitian systems with gain and loss give rise to exceptional points with exceptional properties. An experiment with superconducting qubits now offers a first step towards studying these singularities in the quantum domain.
This is a preview of subscription content, log in via an institution to check access.
References
Heiss, W. D. J. Phys. Math. Theor. 45, 444016 (2012).
Naghiloo, M., Abbasi, M., Joglekar, Y. N. & Murch, K. W. Nat. Phys. https://doi.org/10.1038/s41567-019-0652-z (2019).
Dalibard, J., Castin, Y. & Mølmer, K. Phys. Rev. Lett. 68, 580–583 (1992).
Wu, Y. et al. Science 364, 878–880 (2019).
Kepesidis, K. V. et al. New J. Phys. 18, 095003 (2016).
Lau, H.-K. & Clerk, A. A. Nat. Commun. 9, 4320 (2018).
Zhang, M. et al. Preprint at https://arxiv.org/abs/1805.12001 (2018).
Poli, C., Bellec, M., Kuhl, U., Mortessagne, F. & Schomerus, H. Nat. Commun. 6, 6710 (2015).
Doppler, J. et al. Nature 537, 76–79 (2016).
Klauck, F. U. J. et al. Preprint at https://arxiv.org/abs/1904.08135 (2019).
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Rotter, S. Exceptional quantum behaviour. Nat. Phys. 15, 1214–1215 (2019). https://doi.org/10.1038/s41567-019-0657-7
Published:
Issue Date:
DOI: https://doi.org/10.1038/s41567-019-0657-7
- Springer Nature Limited