Hawking and Unruh effects of the cosmological horizon in a higher-dimensional Kerr-de Sitter spacetime by the global embedding approach

Details Hawking and Unruh effects of the cosmological horizon in a higher-dimensional Kerr-de Sitter spacetime by the global embedding approach Hawking and Unruh effects of the cosmological horizon in a higher-dimensional Kerr-de Sitter spacetime by the global embedding approach

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011el.....9440003z&link_type=abstract

Europhysics Letters, Volume 94, Issue 4, pp. 40003 (2011).

Physics

Scientific paper

With appropriately chosen parameters, there exist the black-hole horizon and the cosmological horizon in the higher-dimensional Kerr-de Sitter spacetime, where these two horizons generally have different Hawking temperatures. In this letter we first reduce the higher-dimensional Kerr-de Sitter spacetime line element to a 2-dimensional one (the (t-r) sector) using the dimensional reduction method near the cosmological horizon, and then investigate the Unruh/Hawking effects of the cosmological horizon by the global embedding approach.

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