如果你是第一次听到“全息宇宙”这个说法，大概率会觉得非常离谱。我们明明生活在一个三维空间里：上下、前后、左右，一切都是真实的。人是立体的，行星是立体的，整个宇宙毫无疑问也是立体的。但是有人提出这样一个可能：有没有可能我们看到的整个三维世界，只是某个二维表面的“投影”呢？宇宙真正的信息，可能只存在于一个更低维度的边界上。欸，你先别觉得扯，提出这个想法的并不是什么脑洞大开的科幻作家，而是真真正正的物理学家。 [1] D. N. Page, “Information in black hole radiation,” Phys. Rev. Lett. 71, 3743 (1993). [2] D. Grumiller, R. McNees, and J. Salzer, “Black holes and thermodynamics – The first half century,” arXiv:1402.5127 (2014). [3] J.-P. Luminet, “The Holographic Universe,” arXiv:1602.07258 (2016). [4] J. Polchinski, “The Black Hole Information Problem,” arXiv:1609.04036 (2016). [5] S. Chakraborty and K. Lochan, “Black Holes: Eliminating Information or Illuminating New Physics?” Universe 3, 55 (2017). [6] K. Behrndt, I. Brunner, and I. Gaida, “AdS₃ Gravity and Conformal Field Theories,” arXiv:hep-th/9806195 (1998). [7] V. Frolov and D. Fursaev, “Black Hole Entropy in Induced Gravity: Reduction to 2D Quantum Field Theory on the Horizon,” arXiv:hep-th/9806078 (1998). [8] S. Carlip, “Black Hole Entropy and the Problem of Universality,” arXiv:0807.4192 (2008). [9] S. Mukherji and S. S. Pal, “Logarithmic Corrections to Black Hole Entropy and AdS/CFT Correspondence,” J. High Energy Phys. 2002, 026 (2002). [10] T. Takayanagi, “Entanglement entropy and gravity/condensed matter correspondence,” Gen. Relativ. Gravit. 46, 1693 (2014). [11] V. P. Frolov, D. V. Fursaev, and A. I. Zelnikov, “Statistical Origin of Black Hole Entropy in Induced Gravity,” arXiv:hep-th/9607104 (1996). [12] P. H. Frampton, “Holographic Principle and the Surface of Last Scatter,” arXiv:1005.2294 (2010). [13] Y. C. Ong, S. S. Hashemi, R. An, and B. Wang, “Stephani Cosmology: Entropically Viable But Observationally Challenged,” arXiv:1712.02297 (2017). [14] J. de Boer et al., “Frontiers of Quantum Gravity: shared challenges, converging directions,” arXiv:2207.10618 (2022). [15] Leonard Susskind. The world as a hologram. Journal of Mathematical Physics. 36(11). 6377–6396 (1995) 通俗易懂聊宇宙，這裡是Linvo說宇宙 內容系列： ↓【天文新鮮事】帶你速覽最新天文資訊 https://www.youtube.com/playlist?list=PLd-GBkH4nB9kLokw8SuQJ_5tpsMDshkOn ↓【宇宙雜談】天文、宇宙、量子……隨便聊點啥 https://www.youtube.com/playlist?list=PLd-GBkH4nB9m2XVH6U-M57CHyq6p1QU37 ↓【俗說星球】那些千奇百怪的系外行星 https://www.youtube.com/playlist?list=PLd-GBkH4nB9nThc_NbfMSi7DaibZjRAT1 ↓【科學漫談】有意思的科學就要慢慢談 https://www.youtube.com/watch?v=rz8LN87PEFc&list=PLd-GBkH4nB9k4ko3WnK-SMh6Xu1CXd8E1 ↓【俗說量子】剔除神秘主義，從科學角度了解量子力學 https://www.youtube.com/playlist?list=PLd-GBkH4nB9liMqQBq3XqRMmAd0J8fEVN ↓【閒說弦論】弦理論到底說了些什麼 https://www.youtube.com/playlist?list=PLd-GBkH4nB9lR1hzqCbVEDLTq7_uD_1WO ↓【俗說宇宙】從太陽繫到銀河系，從河外星繫到神秘宇宙 （宇宙篇）https://www.youtube.com/playlist?list=PLd-GBkH4nB9nUKfeLFiERoEE5Q6Hw29wP （河外星系篇）https://www.youtube.com/playlist?list=PLd-GBkH4nB9lnjQX-rcls2Ipo8aTVl3sH （銀河系篇）https://www.youtube.com/playlist?list=PLd-GBkH4nB9lrqR2Wht_SJjcou-b5LDSS （太陽系篇）https://www.youtube.com/playlist?list=PLd-GBkH4nB9mmv81xTKPkmdjYqGYQcip4 其他平台： 【Bilibili】https://space.bilibili.com/357515451 #Linvo說宇宙 #俗說宇宙 #俗說量子 #俗說星球 #宇宙雜談 #宇宙問答 #天文新鮮事 #ScienceEducation #知識 #科學 #宇宙 #天文 #科學教育 #科普 #宇宙科學 #全息宇宙 #全息原理 #共形场论 #德西特空间 #反德西特空间 #马尔达西那对偶 #AdS/CFT