The first law of thermodynamics for the three horizons of Reissner–Nordström quintessence(RNQ)spacetime is obtained.For a general process of RNQ spacetime,the expressions for the radius changes of the three horizons are derived.When only mass changes,the heat fluxes through the three horizons are equivalent and no heat is left in the black hole region.Finally,a further discussion on the thermal properties of an RNQ black hole is given.
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机译：Joule‐Thomson Expansion and Optical Behaviour of Reissner‐Nordström‐Anti‐de Sitter Black Holes in Rastall Gravity Surrounded by a Quintessence Field
