论文标题
通过弯曲时空来提高热力学性能
Boosting thermodynamic performance by bending space-time
论文作者
论文摘要
黑洞可以说是宇宙中最极端的地区。然而,它们也完全无法访问实验,甚至间接观察也构成了重大的技术挑战。热力学的现象学方法非常适合探索至少这种情况的某些物理特性,这激发了对所谓全息发动机的研究。我们表明,如果发动机是由二维理想气体促进发动机促进的,则库尔松 - 阿尔本伯尔(Curzon-Ahlborn)的效率给出了可厌食的布雷顿周期的效率;如果工作培养基为(2+1)维BTZ黑洞,则效率更高。这些发现不仅与要解锁黑洞的奥秘有关,而且与石墨烯的潜在技术应用有关。
Black holes are arguably the most extreme regions of the universe. Yet, they are also utterly inaccessible to experimentation, and even just indirect observation poses significant technical challenges. The phenomenological approach of thermodynamics is uniquely suited to explore at least some of the physical properties of such scenarios, and this has motivated the study of so-called holographic engines. We show that the efficiency of an endoreversible Brayton cycle is given by the Curzon-Ahlborn efficiency if the engine is fueled by a 2-dimensional ideal gas; and that the efficiency is higher, if the working medium is a (2+1)-dimensional BTZ black hole. These findings may be relevant not only in the quest to unlock the mysteries of black holes, but also for potential technological applications of graphene.