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On Gauss-Bonnet black hole entropy (2004)
Journal Article
Clunan, T., Ross, S. F., & Smith, D. J. (2004). On Gauss-Bonnet black hole entropy. Classical and Quantum Gravity, 21(14), 3447-3458. https://doi.org/10.1088/0264-9381/21/14/009

We investigate the entropy of black holes in Gauss-Bonnet and Lovelock gravity using the Noether charge approach, in which the entropy is given as the integral of a suitable (n - 2) form charge over the event horizon. We compare the results to those... Read More about On Gauss-Bonnet black hole entropy.

Notes on space-time thermodynamics and the observer-dependence of entropy (2004)
Journal Article
Marolf, D., Minic, D., & Ross, S. F. (2004). Notes on space-time thermodynamics and the observer-dependence of entropy. Physical Review D, Particles and fields, 69(6), https://doi.org/10.1103/physrevd.69.064006

Because of the Unruh effect, accelerated and inertial observers differ in their description of a given quantum state. The implications of this effect are explored for the entropy assigned by such observers to localized objects that may cross the asso... Read More about Notes on space-time thermodynamics and the observer-dependence of entropy.