KFU. Card publication. Redshift of a photon emitted along the black hole horizon

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REDSHIFT OF A PHOTON EMITTED ALONG THE BLACK HOLE HORIZON

Form of presentation

Articles in international journals and collections

Year of publication

2017

Язык

русский

Authors, employees of KFU

Zaslavskiy Oleg Borisovich, author

Bibliographic description in the original language

A. V. Toporensky, O. B. Zaslavskii, Redshift of a photon emitted along the black hole horizon, Eur. Phys. J. C (2017) 77:179.

Annotation

In this work we derive some general features of the redshift measured by radially moving observers in the black hole background. Let observer 1 cross the black hole horizon emitting a photon, while observer 2 crossing the same horizon later receives it.We show that if (i) the horizon is the outer one (event horizon) and (ii) it is nonextremal, the received frequency is redshifted. This generalizes recent results in the literature. For the inner horizon (like in the Reissner–Nordström metric) the frequency is blueshifted. If the horizon is extremal, the frequency does not change. We derive explicit formulas describing the frequency shift in generalized Kruskal- and Lemaitre-like coordinates.

Keywords

redshift, horizon, Lemaitre frame

The name of the journal

EUROPEAN PHYSICAL JOURNAL C

URL

https://link.springer.com/article/10.1140/epjc/s10052-017-4747-3

Please use this ID to quote from or refer to the card

https://repository.kpfu.ru/eng/?p_id=159778&p_lang=2

Full metadata record

Field DC	Value	Language
dc.contributor.author	Zaslavskiy Oleg Borisovich	ru_RU
dc.date.accessioned	2017-01-01T00:00:00Z	ru_RU
dc.date.available	2017-01-01T00:00:00Z	ru_RU
dc.date.issued	2017	ru_RU
dc.identifier.citation	A. V. Toporensky, O. B. Zaslavskii, Redshift of a photon emitted along the black hole horizon, Eur. Phys. J. C (2017) 77:179.	ru_RU
dc.identifier.uri	https://repository.kpfu.ru/eng/?p_id=159778&p_lang=2	ru_RU
dc.description.abstract	EUROPEAN PHYSICAL JOURNAL C	ru_RU
dc.description.abstract	In this work we derive some general features of the redshift measured by radially moving observers in the black hole background. Let observer 1 cross the black hole horizon emitting a photon, while observer 2 crossing the same horizon later receives it.We show that if (i) the horizon is the outer one (event horizon) and (ii) it is nonextremal, the received frequency is redshifted. This generalizes recent results in the literature. For the inner horizon (like in the Reissner–Nordström metric) the frequency is blueshifted. If the horizon is extremal, the frequency does not change. We derive explicit formulas describing the frequency shift in generalized Kruskal- and Lemaitre-like coordinates.	ru_RU
dc.language.iso	ru	ru_RU
dc.subject	redshift	ru_RU
dc.subject	horizon	ru_RU
dc.subject	Lemaitre frame	ru_RU
dc.title	Redshift of a photon emitted along the black hole horizon	ru_RU
dc.type	Articles in international journals and collections	ru_RU