| Issue |
EPL
Volume 133, Number 1, January 2021
|
|
|---|---|---|
| Article Number | 18001 | |
| Number of page(s) | 5 | |
| Section | Interdisciplinary Physics and Related Areas of Science and Technology | |
| DOI | https://doi.org/10.1209/0295-5075/133/18001 | |
| Published online | 03 March 2021 | |
Enhancement of Unruh effect near hyperbolic metamaterials
Department of Electrical and Computer Engineering, University of Maryland - College Park, MD 20742, USA
(a) smoly@umd.edu
Received: 1 October 2020
Accepted: 21 November 2020
Laser fields acting on free electrons were proposed to create sufficiently large accelerations to enable detection of Unruh radiation. However, the currently achievable electron accelerations are not large enough. Here we demonstrate that the Unruh effect in laser fields is strongly enhanced near hyperbolic metamaterials, so that many orders of magnitude smaller accelerations may be used to detect Unruh radiation.
PACS: 81.05.Xj – Metamaterials for chiral, bianisotropic and other complex media / 42.50.Ct – Quantum description of interaction of light and matter; related experiments / 04.80.Cc – Experimental tests of gravitational theories
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