Solar energy paper index
On Chen-Teo geometries with cosmological constant
One-line summary
A solar energy research paper on On Chen-Teo geometries with cosmological constant.
Engineering notes
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Chinese explanation / 中文解读
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Original abstract
The Chen-Teo geometry is a Riemannian, Ricci-flat ALF 4-manifold, containing an AF gravitational instanton that gives the first counterexample to the Euclidean black hole uniqueness conjecture. We investigate the problem of constructing an Einstein analogue with a non-zero cosmological constant $λ$. We show that the solution is either the Plebański-Demiański metric with $λ$, or it has an anti-self-dual Weyl tensor. We study the latter case in detail: we prove that for $λ<0$, there is a conformal infinity separating two asymptotically hyperbolic metrics; we show that one of them is globally conformal to an ALE scalar-flat Kähler metric; we construct gravitational instantons with different topologies; and we show that the geometry is a 4-pole solution in the Calderbank-Pedersen classification.
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