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PUBLICATIONS

Tomorrow may be hell, but today was a good writing day, and on the good writing days nothing else matters.”
― Neil Gaiman

Journal Publications
  1. [Pre-print] Yen Chin Ong, "The Attractor of Evaporating Reissner-Nordström Black Holes", [arXiv:1909.09981 [gr-qc]].
     

  2. [Pre-print] Yen Chin Ong,  "The Charge of Electron, Weak Gravity Conjecture and Black Hole Evolution ", [arXiv:1909.09977 [gr-qc]].
     

  3. Yen Chin Ong, Yuan Yao, "Charged Particle Production Rate from Cosmic Censorship in Dilaton Black Hole Spacetimes",  JHEP 10 (2019) 129, [arXiv:1907.07490 [gr-qc]].
     

  4. Shi-Qian Hu, Yen Chin Ong, Don N. Page, "No Violation of the Second Law in Extended Black Hole Thermodynamics", Phys. Rev. D (in press) [arXiv:1906.05870 [gr-qc]].
     

  5. [Pre-print] Daniele Gregoris, Yen Chin Ong, Bin Wang, "Holographic Principle and the Second Law in Stephani Cosmology Revisited", [arXiv:1906.02879 [gr-qc]].
     

  6. [Pre-print] Daniele Gregoris, Yen Chin Ong, Bin Wang, "Curvature Invariants and Lower Dimensional Black Hole Horizons", [arXiv:1901.05565 [gr-qc]].
     

  7. Zi-Yu Tang, Yen Chin Ong, Bin Wang, Eleftherios Papantonopoulos, "General Black Hole Solutions in (2+1)-dimensions with a Scalar Field Non-Minimally Coupled to Gravity",  Phys. Rev. D 100 (2019) 100[arXiv:1901.07310 [gr-qc]].
     

  8. Yuan Yao, Meng-Shi Hou, Yen Chin Ong, "A Complementary Third Law for Black Hole Thermodynamics", Eur. Phys. J. C  79 (2019) 513[arXiv:1812.03136 [gr-qc]].
     

  9. Shi-Qian Hu, Xiao-Mei Kuang, Yen Chin Ong, "A Note on Smarr Relation and Coupling Constants", Gen. Relativ. Gravit. 51 (2019) 55[arXiv:1810.06073 [gr-qc]].
     

  10. Yen Chin Ong, Yuan Yao, "Generalized Uncertainty Principle and White Dwarfs Redux: How Cosmological Constant Protects Chandrasekhar Limit", Phys. Rev. D 98 (2018) 12018, [arXiv:1809.06348 [gr-qc]].
     

  11. Yen Chin Ong, "GUP-Corrected Black Hole Thermodynamics and the Maximum Force Conjecture", Phys. Lett. B 785 (2018) 217, [arXiv:1809.00442 [gr-qc]].
     

  12. [Pre-print] Behzad Eslam Panah, Seyed Hossein Hendi, Yen Chin Ong, "Black Hole Remnant in Massive Gravity", [arXiv:1808.07829 [gr-qc]]
     

  13. Yen Chin Ong, "An Effective Black Hole Remnant via Infinite Evaporation Time Due to Generalized Uncertainty Principle", JHEP 10 (2018) 195, [arXiv:1806.03691 [gr-qc]].
     

  14. Yen Chin Ong, "Generalized Uncertainty Principle, Black Holes, and White Dwarfs: A Tale of Two Infinities", JCAP 09 (2018) 015, [arXiv:1804.05176 [gr-qc]].
     

  15. Michael R.R. Good, Yen Chin Ong, Aizhan Myrzakul, Khalykbek Yelshibekov, "Information Preservation for Null Shell Collapse: A Moving Mirror Model", Gen. Relativ. Gravit. 51 (2019) 92, ("Giant Tortoise Coordinate"), [arXiv:1801.08020 [gr-qc]].
     

  16. Yen Chin Ong, S. Sedigheh Hashemi, Rui An, Bin Wang, "Stephani Cosmology: Entropically Viable But Observationally Challenged",  Eur. Phys. J. C 78 (2018) 405[arXiv:1712.02297 [gr-qc]].
     

  17. Yen Chin Ong, James M. Nester, "Counting Components in the Lagrange Multiplier Formulation of Teleparallel Theories", Eur. Phys. J. C 78 (2018) 568, [arXiv:1709.00068 [gr-qc]].
     

  18. Zi-Yu Tang, Yen Chin Ong, Bin Wang, "Lux in obscuro II: Photon Orbits of Extremal AdS Black Holes Revisited", Class. Quantum Grav. 34 (2017) 245006, [arXiv:1705.09633 [gr-qc]].
     

  19. Mahdi Kord Zangeneh, Yen Chin Ong, Bin Wang, "Entanglement Entropy and Complexity for One-Dimensional Holographic Superconductors", Phys. Lett. B 771 (2017) 235, [arXiv:1704.00557 [hep-th]].

    Reviewer: "[...] The results presented in this paper are new and of interest for the research field. The paper is written concisely, yet in a clear and transparent way: The reader is given all information needed to understand what the authors do, why they do it, and how they arrive at their conclusions. [...]"
     

  20. Yen Chin Ong, Dong-han Yeom, "Instanton Tunneling for De Sitter Space with Real Projective Spatial Sections", JCAP 04 (2017) 040, [arXiv:1612.07756 [gr-qc]].
     

  21. Michael R.R. Good, Khalykbek Yelshibekov, Yen Chin Ong, "On Horizonless Temperature with an Accelerating Mirror", JHEP 03 (2017) 013, [arXiv:1611.00809 [gr-qc]].
     

  22. Brett McInnes, Yen Chin Ong, "On The Existence of a Holographic Description of the LHC Quark-Gluon Plasmas",
    Nucl. Phys. B 917 (2017) 86, [arXiv:1611.00237 [hep-th]].


    Reviewer: "[...] it is difficult but worthwhile to try to discuss general constraints from string theory in real-world experiments. Even if not fully rigorous, the discussion of the authors is detailed, honest and quite convincing. [...]"
     

  23. Yen Chin Ong, "Twisted Black Hole is Taub-NUT", JCAP 01 (2017) 001, [arXiv:1610.05757 [gr-qc]].
     

  24. Fech Scen Khoo, Yen Chin Ong, "Lux in obscuro: Photon Orbits of Extremal Black Holes Revisited",
    Class. Quantum Grav. 33 (2016) 235002, [arXiv:1605.05774 [gr-qc]]. (Corrigendum: Class. Quantum Grav. 34 (2017) 219501).

     

  25. Pisin Chen, Yen Chin Ong, Don N. Page, Misao Sasaki, Dong-han Yeom, "Naked Black Hole Firewalls",
    Phys. Rev. Lett. 116 (2016) 161304, [arXiv:1511.05695 [hep-th]].

     

  26. Yen Chin Ong, "Hawking Evaporation Time Scale of Topological Black Holes in Anti-de Sitter Spacetime",
    Nucl. Phys. B 903 (2016) 387 [arXiv:1507.07845 [gr-qc]].

     

  27. Pisin Chen, Yen Chin Ong, Dong-han Yeom, "Black Hole Remnants and the Information Loss Paradox",
    Phys. Reps. (2017 Impact Factor: 17.425)  603,(2015) 1, [arXiv:1412.8366 [gr-qc]].

     

  28. Brett McInnes, Yen Chin Ong, "A Note on Physical Mass and the Thermodynamics of AdS-Kerr Black Holes",
    JCAP 11 (2015) 004, [arXiv:1506.01248 [gr-qc]].


    Reviewer: "[...] The paper has a definite value given the confusion which, as the authors correctly point out, exist in the literature. Furthermore the paper is well written. [...]"
     

  29. Michael R.R. Good, Yen Chin Ong, "Signatures of Energy Flux in Particle Production: A Black Hole Birth Cry and Death Gasp", JHEP 07 (2015) 145, [arXiv:1506.08072 [gr-qc]].
     

  30. Brett McInnes, Yen Chin Ong, "When Is Holography Consistent?", Nucl. Phys. B 898 (2015) 197,
    [arXiv:1504.07344 [hep-th]].


    Reviewer: "[...] the paper goes beyond the check of the isoperimetric inequality. The authors take the rather interesting (and bold) point of view that the general relation [...] should be viewed as a fundamental condition (a "law of physics" as they put it) in any consistent theory of gravity, and not only in the cases where proofs (or strong independent argument) can be given [...] This means that, in set-ups where the condition may be violated, the actual physical systems realized in nature should satisfy constraints on the parameters so that the violation actually never occurs. This point of view yields rather interesting constraints, as explained in the paper, which, remarkably, seem to be always satisfied. [...]"
     

  31. Yen Chin Ong, "The Persistence of the Large Volumes in Black Holes", Gen. Relativ. Gravit. 47 (2015) 88, [arXiv:1503.08245 [gr-qc]].

    Reviewer #2: "This paper follows up a curious observation by Christodolou and Rovelli, and extends it to the case of evaporating black holes — which are treated with a (rough) Vaidya model. The result is a little surprising. Altogether the paper is well written, has an interesting commented list of references, and makes a nice conceptual point."
     

  32. Yen Chin Ong, "Never Judge a Black Hole by Its Area", JCAP 04 (2015) 003, [arXiv:1503.01092 [gr-qc]].
     

  33. Pisin Chen, Keisuke Izumi, James M. Nester, Yen Chin Ong, "Remnant Symmetry, Propagation and Evolution in f(T) Gravity", Phys. Rev. D 91 (2015) 064003, [arXiv:1412.8383 [gr-qc]].
     

  34. Michael R.R. Good, Yen Chin Ong, "Are Black Holes Spring-like?", Phys. Rev. D 91 (2015) 044031,
    [arXiv:1412.5432 [gr-qc]].


    Reviewer: "This is an interesting paper that recasts black hole dynamics for rotating black holes into a form that allows various conjectures (like the maximum force/tension conjecture for GR) to be considered in a new situation. The conjecture is found to hold good. The paper extends the thermodynamic and mechanical analogies for black holes by introducing the spring constant term for the black hole in the surface gravity and area laws. This will probably lead to further extensions in other situations. [...]"
     

  35. Stanley Deser, Keisuke Izumi, Yen Chin Ong, Andrew Waldron, "Problems of Massive Gravities", Invited contribution for special issue on New Trends in Theory of Gravity, Mod. Phys. Lett. A 30 (2015) 1540006, [arXiv:1410.2289 [hep-th]].
     

  36. Yen Chin Ong, Brett McInnes, Pisin Chen, "Cold Black Holes in the Harlow-Hayden Approach to Firewall",
    Nucl. Phys. B 891 (2015) 627, [arXiv:1403.4886 [hep-th]].

     

  37. Pisin Chen, Yen Chin Ong, Dong-han Yeom, "Generalized Uncertainty Principle: Implications for Black Hole Complementarity", JHEP 12 (2014) 021, [arXiv:1408.3763 [hep-th]].
     

  38. Yen Chin Ong, Pisin Chen, "Charge Loss (or the Lack Thereof) for AdS Black Holes", JHEP 06 (2014) 061,
    [arXiv:1404.5215 [gr-qc]].

     

  39. Keisuke Izumi, Je-An Gu, Yen Chin Ong, "Acausality and Non-Unique Evolution in Generalized Teleparallel Gravity", Phys. Rev. D 89 (2014) 084025, [arXiv:1309.6461 [gr-qc]].

    Reviewer: "the paper is interesting and correctly written [...] not all components of the vielbein can be determined from the equations of motion and initial conditions. This is illustrated in Section IV on a concrete example of the anisotropic cosmological metric: the degrees of freedom which correspond to the local Lorentz rotations cannot be determined fully. For this reason the evolution is not fully determined i.e. not unique, a property which is physically unacceptable.[...] The problem addressed in this paper, to examine the physical content of an alternative gravity theory is important, and along with a search for theories which provide models of the accelerated expansion of the Universe one should check for their general consistency."
     

  40. Stanley Deser, Keisuke Izumi, Yen Chin Ong, Andrew Waldron, "Massive Gravity Acausality Redux",
    Phys. Lett. B 726 (2013) 544, [arXiv:1306.5457 [hep-th]].

     

  41. Yen Chin Ong, Pisin Chen, "The Fate of Monsters in Anti-de Sitter Spacetime", JHEP 07 (2013) 147,
    [arXiv:1304.3803 [hep-th]].

     

  42. Keisuke Izumi, Yen Chin Ong, "An Analysis of Characteristics in Non-Linear Massive Gravity",
    Class. Quant. Grav. 30 (2013) 184008 (Invited contribution for the focus issue on massive gravity; selected as the CQG Highlights of 2013-2014), [arXiv:1304.0211 [hep-th]].



















     

  43. Yen Chin Ong, James M. Nester, Keisuke Izumi, Pisin Chen, "Problems with Propagation and Time Evolution in f(T) Gravity", Phys. Rev. D 88 (2013) 024019, [arXiv:1303.0993 [gr-qc]].

    Reviewer: "This is a very well and very clearly written paper which discusses the existence of superluminal modes in
    f(T) modified theories of gravity."

     

  44. Keisuke Izumi, Yen Chin Ong, "Cosmological Perturbations in f(T) Gravity Revisited",
    JCAP 06 (2013) 029, [arXiv:1212.5774 [gr-qc]].

     

  45. Yen Chin Ong, Pisin Chen, "Stringy Stability of Charged Dilaton Black Holes with Flat Event Horizon",
    JHEP 08 (2012) 079, Erratum: JHEP 01 (2015) 083, [arXiv:1205.4398 [hep-th]].

     

  46. Yen Chin Ong, Pisin Chen, "Stability of Hořava-Lifshitz Black Holes in the Context of AdS/CFT",
    Phys. Rev. D 84 (2011) 104044, [arXiv:1106.3555 [hep-th]].

 

Monograph

Yen Chin Ong,

"Evolution of Black Holes in Anti-de Sitter Spacetime and the Firewall Controversy",
Ph.D. Thesis , published in Springer Theses: Recognizing Outstanding Ph.D. Research.


DOI: 10.1007/978-3-662-48270-4.

"Dr. Ong’s thesis reminds us [...] that while it may be consistent to ignore stringy objects in the bulk, it may not be. In particular, he reminds us that it is not correct to assume this for asymptotically AdS black holes which are highly charged (yet still sub-extremal). Such a black hole is a perfectly respectable object in classical general relativity, but not in string theory: even if one declares that the bulk is free of branes initially, one finds that, for a sufficiently highly charged black hole, branes will be produced in the bulk spontaneously, by a sort of generalized version of Schwinger pair-production. These branes will themselves modify the black hole geometry, and so the assumed existence of a long-lived black hole of this sort is ruled out. This is an unusual example of gauge-gravity duality being applied in the reverse of the usual direction: for the dual statement is simply that a plasma cannot be arbitrarily cold; a sufficiently cold plasma will hadronize. [...] The key observation here is that one must take into account the geometry of the bulk. The introduction of electric charge into the bulk changes its geometry, and the extended objects (such as branes) of string theory are directly sensitive to this geometry: it affects the relationship between brane areas and volumes in a way that, as Dr. Ong explains, is absolutely decisive. His call to “take geometry seriously” is thus exemplified in the strongest possible terms." -- Foreword by Prof. Brett McInnes.

Conference Proceedings
  1. Yen Chin Ong, "Degrees of Freedom and Problems in f(T) Gravity",
    Int. J. Geom. Methods Mod. Phys. 15 No, Supp01 (2018) 1850139 ; Proceeding of Geometric Foundations of Gravity in Tartu (Estonia), World Scientific, Singapore (2018).
     

  2. Pisin Chen, Yen Chin Ong, Don N. Page, Misao Sasaki, Dong-han Yeom, "Unclothed Firewalls", Int. J. Mod. Phys. D 25 (2016) 1645003 [Special Issue]; Everything about Gravity: Proceedings of the Second LeCosPA International Symposium, World Scientific, Singapore (2015), pp.29-38.
     

  3. Yen Chin Ong, Dong-han Yeom, "Black Hole Information Loss: Some Food for Thoughts", Everything about Gravity: Proceedings of the Second LeCosPA International Symposium, World Scientific, Singapore (2015), pp.547-553, [arXiv:1602.06600 [hep-th]] (elaborated version).
     

  4. Yen Chin Ong, Black Hole: "The Interior Spacetime", Everything about Gravity: Proceedings of the Second LeCosPA International Symposium, World Scientific, Singapore (2015), pp.578-583, [arXiv:1602.04395 [gr-qc]].
     

  5. Stanley Deser, Keisuke Izumi, Yen Chin Ong, Andrew Waldron, "Superluminal Propagation and Acausality of Nonlinear Massive Gravity", Proceeding for the Conference in Honour of the 90th Birthday of Freeman Dyson, World Scientific, Singapore (2014), pp. 430-435, [arXiv:1312.1115 [hep-th]].
     

  6. Yen Chin Ong, Pisin Chen, "Seiberg-Witten Instability of Various Topological Black Holes in AdS/CFT", Proceeding for the 13th Marcel Grossmann Meeting, World Scientific, Singapore (2013), pp. 1416-1418, [arXiv:1302.7162 [hep-th]].
     

  7. Yen Chin Ong, "Stringy Stability of Dilaton Black Holes in 5-Dimensional Anti-de Sitter Space", Proceedings of the Conference in Honor of Murray Gell-Mann’s 80th Birthday, World Scientific, Singapore (2010), pp.583-590, [arXiv:1101.5776 [hep-th]].

If n is an even number

then I'll kiss you goodnight right here,

but if the modulus k is the unique solution,

I'll take you in my arms for the long night.
When the properties are constrained as well as incomplete,

I'll be getting off the train at this stop.

However, if there is some positive constant,

then I'll stay on board for a while longer.

When it says that the supremum deviates from the least zero, my heart closes off.

But if all moments are infinite and you can hear me,

I will open out for you.

This sequence satisfies the hypothesis of uniformity, and because we know that approximation is possible and that inequality is an embedding factor,

come, let's try once more.

-- "Math Is Beautiful and So Are You",
Becky Dennison Sakellariou

天文物理是最浪漫的科学。她有严谨理性的一面:我们或持笔计算光线如何在接近黑洞时偏离,或在高山上了无人迹的天文台里做观测,有点像隐居的修道人想一窥宇宙的真谛;但是也有人文感性的一面:我们躺在沙滩上用绿激光描绘出星座,说着古人的神话故事,倾听彼此的心声。星--系--心。天文的路,既是思想的奔驰,更是心的感受、性情的陶冶。仰头观星;低头沉思。我们不过是宇宙中的过客,地球也只是茫茫星海中的一粟;   凡事顺其自然,但绝不听天由命。

物,虚空所生;心,何须染尘。