Perspective on Non-Hermitian Elastodynamics
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866929407779667968 |
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| author | Christensen, Johan Haberman, Michael R. Srivastava, Ankit Huang, Guoliang Shmuel, Gal |
| author_facet | Christensen, Johan Haberman, Michael R. Srivastava, Ankit Huang, Guoliang Shmuel, Gal |
| contents | The manipulation of mechanical waves is a long-standing challenge for scientists and engineers, as numerous devices require their control. The current forefront of research in the control of classical waves has emerged from a seemingly unrelated field, namely, non-Hermitian quantum mechanics. By drawing analogies between this theory and those of classical systems, researchers have discovered phenomena that defy conventional intuition and have exploited them to control light, sound, and elastic waves. Here, we provide a brief perspective on recent developments, challenges and intricacies that distinguish non-Hermitian elastodynamics from optics and acoustics. We close this perspective with an outlook on potential directions such as topological phases in non-Hermitian elastodynamics and broken Hermitian symmetry in materials with electromomentum couplings. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_02513 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Perspective on Non-Hermitian Elastodynamics Christensen, Johan Haberman, Michael R. Srivastava, Ankit Huang, Guoliang Shmuel, Gal Classical Physics Materials Science The manipulation of mechanical waves is a long-standing challenge for scientists and engineers, as numerous devices require their control. The current forefront of research in the control of classical waves has emerged from a seemingly unrelated field, namely, non-Hermitian quantum mechanics. By drawing analogies between this theory and those of classical systems, researchers have discovered phenomena that defy conventional intuition and have exploited them to control light, sound, and elastic waves. Here, we provide a brief perspective on recent developments, challenges and intricacies that distinguish non-Hermitian elastodynamics from optics and acoustics. We close this perspective with an outlook on potential directions such as topological phases in non-Hermitian elastodynamics and broken Hermitian symmetry in materials with electromomentum couplings. |
| title | Perspective on Non-Hermitian Elastodynamics |
| topic | Classical Physics Materials Science |
| url | https://arxiv.org/abs/2407.02513 |