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Quantum Noise and Self-Sustained Radiation ofPT-Symmetric Systems
Open accessAbstract
The observation that PT-symmetric Hamiltonians can have real-valued energy levels even if they are non-Hermitian has triggered intense activities, with experiments, in particular, focusing on optical systems, where Hermiticity can be broken by absorption and amplification. For classical waves, absorption and amplification are related by time-reversal symmetry. This work shows that microreversibility-breaking quantum noise turns PT-symmetric systems into self-sustained sources of radiation, which distinguishes them from ordinary, Hermitian quantum systems.
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Citations
Cites
Making sense of non-Hermitian Hamiltonians
Bender, C. M. (2007) · Reports on Progress in Physics · doi:10.1088/0034-4885/70/6/r03 · Cited by 2,984
Cited by
Parity–time symmetry and exceptional points in photonics
Özdemir, Ş. K., Rotter, S., Nori, F., & Yang, L. (2019) · Nature Materials · doi:10.1038/s41563-019-0304-9 · Cited by 1,773
Non-Hermitian photonics based on parity–time symmetry
Feng, L., El-Ganainy, R., & Ge, L. (2017) · Nature Photonics · doi:10.1038/s41566-017-0031-1 · Cited by 1,497
PT-Symmetry Breaking and Laser-Absorber Modes in Optical Scattering Systems
Chong, Y. D., Ge, L., & Stone, A. D. (2011) · Physical Review Letters · doi:10.1103/physrevlett.106.093902 · Cited by 980
Experimental study of active LRC circuits withPTsymmetries
Schindler, J., Li, A., Zheng, M. C., Ellis, F. M., & Kottos, T. (2011) · Physical Review A · doi:10.1103/physreva.84.040101 · Cited by 866
Orbital angular momentum microlaser
Miao, P., Zhang, Z., Sun, J., Walasik, W., Longhi, S., Litchinitser, N. M., & Feng, L. (2016) · Science · doi:10.1126/science.aaf8533 · Cited by 695
Metadata
- Authors
- Schomerus, H.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2010-06-08
- Volume
- 104
- Issue
- 23
- Pages
- 233601-233601
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1968235873
- Cited by
- 163
- References
- 1
- FWCI
- 9.13
- Type
- journal article
- Language
- en
- Open access
- green
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