Comment on "Relativistic Effects of Light in Moving Media with Extremely Low Group Velocity"

by: Matt Visser

(31 May 2000)

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Abstract

In [<a href="/abs/cond-mat/9906332">cond-mat/9906332</a>; Phys. Rev. Lett. 84, 822 (2000)] and [<a href="/abs/physics/9906038">physics/9906038</a>; Phys. Rev. A 60, 4301 (1999)] Leonhardt and Piwnicki have presented an interesting analysis of how to use a flowing dielectric fluid to generate a so-called "optical black hole". Qualitatively similar phenomena using acoustical processes have also been much investigated. Unfortunately there is a subtle misinterpretation in the Leonhardt-Piwnicki analysis regarding these "optical black holes": While it is clear that "optical black holes" can certainly exist as theoretical constructs, and while the experimental prospects for actually building them in the laboratory are excellent, the particular model geometries that Leonhardt and Piwnicki write down as alleged examples of "optical black holes" are in fact not black holes at all.

@misc{Visser2000, abstract = {In [<a href="/abs/cond-mat/9906332">cond-mat/9906332</a>; Phys. Rev. Lett. 84, 822 (2000)] and [<a href="/abs/physics/9906038">physics/9906038</a>; Phys. Rev. A 60, 4301 (1999)] Leonhardt and Piwnicki have presented an interesting analysis of how to use a flowing dielectric fluid to generate a so-called "optical black hole". Qualitatively similar phenomena using acoustical processes have also been much investigated. Unfortunately there is a subtle misinterpretation in the Leonhardt-Piwnicki analysis regarding these "optical black holes": While it is clear that "optical black holes" can certainly exist as theoretical constructs, and while the experimental prospects for actually building them in the laboratory are excellent, the particular model geometries that Leonhardt and Piwnicki write down as alleged examples of "optical black holes" are in fact not black holes at all.}, author = {Visser, Matt }, citeulike-article-id = {2956534}, eprint = {gr-qc/0002011}, keywords = {relativistic-effect, slow-light}, month = {May}, posted-at = {2008-07-03 10:55:21}, priority = {2}, title = {Comment on "Relativistic Effects of Light in Moving Media with Extremely Low Group Velocity"}, url = {http://arxiv.org/abs/gr-qc/0002011}, year = {2000} }

RIS record

TY - ELEC ID - Visser2000 L3 - citeulike-article-id:2956534 TI - Comment on "Relativistic Effects of Light in Moving Media with Extremely Low Group Velocity" N2 - In [<a href="/abs/cond-mat/9906332">cond-mat/9906332</a>; Phys. Rev. Lett. 84, 822 (2000)] and [<a href="/abs/physics/9906038">physics/9906038</a>; Phys. Rev. A 60, 4301 (1999)] Leonhardt and Piwnicki have presented an interesting analysis of how to use a flowing dielectric fluid to generate a so-called "optical black hole". Qualitatively similar phenomena using acoustical processes have also been much investigated. Unfortunately there is a subtle misinterpretation in the Leonhardt-Piwnicki analysis regarding these "optical black holes": While it is clear that "optical black holes" can certainly exist as theoretical constructs, and while the experimental prospects for actually building them in the laboratory are excellent, the particular model geometries that Leonhardt and Piwnicki write down as alleged examples of "optical black holes" are in fact not black holes at all. KW - relativistic-effect KW - slow-light AU - Visser, Matt PY - 2000/May/31/ UR - http://arxiv.org/abs/gr-qc/0002011 ER -

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