Effective Mass in Dissipative Coupled Polaritons
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arXiv
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| Format: | Preprint |
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2025
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| author | Mendoza, Diego A. Vega-Carmona, Areli J. Camacho-Guardian, Arturo Bastarrachea-Magnani, Miguel A. |
| author_facet | Mendoza, Diego A. Vega-Carmona, Areli J. Camacho-Guardian, Arturo Bastarrachea-Magnani, Miguel A. |
| contents | Dissipative coupling refers to the effect where two systems interact with each other mediated by dissipation channels. Recent advances in controlling light-matter systems have opened new avenues to explore non-Hermitian effects arising from dissipative coupling, such as level attraction and anomalous dispersions. In this work, we perform a parametric study of these effects in a polariton system, i.e., a light-matter superposition, under both dissipative and coherent coupling. We characterize the effects of different sources of non-Hermitian behavior and analytically identify the conditions for the emergence of negative effective mass, exceptional points, and bound states in the continuum as a function of the light-matter detuning, the coherent-to-dissipative coupling ratio, and the relative decay rate of the non-interacting subsystems. We also analyze the classical limit of the polariton system within a non-Hermitian framework, employing coherent states. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_17833 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Effective Mass in Dissipative Coupled Polaritons Mendoza, Diego A. Vega-Carmona, Areli J. Camacho-Guardian, Arturo Bastarrachea-Magnani, Miguel A. Mesoscale and Nanoscale Physics Quantum Physics Dissipative coupling refers to the effect where two systems interact with each other mediated by dissipation channels. Recent advances in controlling light-matter systems have opened new avenues to explore non-Hermitian effects arising from dissipative coupling, such as level attraction and anomalous dispersions. In this work, we perform a parametric study of these effects in a polariton system, i.e., a light-matter superposition, under both dissipative and coherent coupling. We characterize the effects of different sources of non-Hermitian behavior and analytically identify the conditions for the emergence of negative effective mass, exceptional points, and bound states in the continuum as a function of the light-matter detuning, the coherent-to-dissipative coupling ratio, and the relative decay rate of the non-interacting subsystems. We also analyze the classical limit of the polariton system within a non-Hermitian framework, employing coherent states. |
| title | Effective Mass in Dissipative Coupled Polaritons |
| topic | Mesoscale and Nanoscale Physics Quantum Physics |
| url | https://arxiv.org/abs/2512.17833 |