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A New Method of Constructing Black Hole Solutions in Einstein and 5 D Gravity

It is formulated a new ’anholonomic frame’ method of constructing exact solutions of Einstein equations with off–diagonal metrics in 4D and 5D gravity. The previous approaches and results [1–4] are summarized and generalized as three theorems which state the conditions when two types of ansatz result in integrable gravitational field equations. There are constructed and analyzed different classes of anisotropic and/or warped vacuum 5D and 4D metrics describing ellipsoidal black holes with static anisotropic horizons and possible anisotropic gravitational polarizations and/or running constants. We conclude that warped metrics can be defined in 5D vacuum gravity without postulating any brane configurations with specific energy momentum tensors. Finally, the 5D and 4D anisotropic Einstein spaces with cosmological constant are investigated. Pacs 04.50.+h, 11.25.M, 11.10.Kk, 12.10.-g