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Abhay Ashtekar:   Recent Publications


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SCIENTIFIC BOOKS:

  1. A. Magnon and A. Ashtekar, Translation from French of Elie Cartan's work, "Sur les Varietes a Connexion Affine et la Relativite Generale" with a Commentary and Foreword by A. Trautman. Bibliopolis, Naples, 1986, 199 pages.

  2. A. Ashtekar, Asymptotic Quantization. Bibliopolis, Naples, 1987, 107 pages.

  3. A. Ashtekar, (with invited contributions) New Perspectives in Canonical Gravity.Bibliopolis, Naples, 1988, 324 pages.

  4. A. Ashtekar and J. Stachel, Editors; Conceptual Problems of Quantum Gravity. Proceedings of the 1988 Osgood Hill Conference (Birkhauser, N. Y., 1991), 602 pages.

  5. A. Ashtekar, Lectures on Non-perturbative Canonical Gravity, (Notes prepared in collaboration with R.S. Tate), (World Scientific Singapore, 1991), 334 pages.

  6. A. Ashtekar, R.C. Cohen, D. Howard, J. Renn, S. Sarkar and A. Shimony (Editors), Revisiting the Foundations of Relativisitic Physics, Festschrift in honor of John Stachel, Boston Studies in Phylosophy of Science, Volume 234, (Kluwer Academic, 2003).

  7. A. Ashtekar (Editor), 100 Years of Relativity  -  Space-Time structure: Einstein and Beyond (World Scientific, Singapore, 2005).

  8. A. Ashtekar (Editor in Chief), B. Berger. J. Isenberg, and M.A.H. MacCallum (editors), General Relativity and Gravitation: A Centenary Perspective, commissioned by the International Society on General Relativity and Gravitation to celebrate the 100th anniversary of Einstein's discovery of general relativity (Cambridge University Press, Cambridge, 2015)

  9. A. Ashtekar and J.P. Pullin (Editors), Loop Quantum Gravity: First 30 Years (World Scientific, Singapore, 2017), monograph in the '100 Years of General Relativity' series.


RECENT SCIENTIFIC PAPERS: (2005 - 2017)
  1. A. Ashtekar, J. Engle and C. Van Den Broeck, Quantum horizons and black hole entropy: Inclusion of distortion and rotation, Classical and Quantum Gravity, 22, L27-L34 (2005), gr-qc/0412003.

  2. A. Ashtekar, Einstein's Dream: A Scientific and Political Vision for Uneasy Times, in Einstein - Peace Now edited by R. Braun and D. Kreiger (based on an interview by E. Sierker) (Wiley, VCH Verlag, Weinheim 2005); [German Version: Einsteins Traeume - eine Wissenschaftliche und Politische Vision fuer Unsere Zukunft, In Albert Einstein, Frieden Heute - Visioen und Ideen, Herausgegeben von Reiner Braun & David Krieger (Melzer Verlag, Neu Isenburg, 2005).

  3. A. Ashtekar, L. Bombelli and A. Corichi, Semiclassical states for constrained systems, Physical Review D72, 025008 (2005).

  4. A. Ashtekar and M. Bojowald, Black hole evaporation: A new paradigm, Classical and Quantum Gravity, 22, 3349-3362 (2005).

  5. A. Ashtekar and G. Galloway, Some uniqueness results for dynamical horizons, Advances in Mathematical and Theoretical Physics, 9, 1-34 (2005).

  6. A. Ashtekar, Gravity and the quantum, New Journal of Physics, 7, 200-232 (2005).

  7. A. Ashtekar, The winding road to quantum gravity, Current Science, 89, 2064-2075 (2005). (Special Issue on Einstein's Legacy)

  8. A. Ashtekar, Quantum geometry and its ramification, In 100 Years of Relativity (Space-time Structure: Einstein and Beyond), World Scientific, Singapore (2005).

  9. A. Ashtekar and J. Lewandowski, Quantum geometry and its applications, Encyclopedia of Mathematical Physics, 230-236 (Elsevier, 2006).

  10. A. Ashtekar, Black Hole Mechanics, Encyclopedia of Mathematical Physics, 300-305, (Elsevier, 2006).

  11. A. Ashtekar and M. Bojowald, Quantum geometry and the Schwarzschild singularity, Classical and Quantum Gravity, 23, 391-411 (2006).

  12. A. Ashtekar, T. Pawlowski and P. Singh, Quantum nature of the Big Bang, Physical Review Letters, 96, 141301-141304 (2006).

  13. A. Ashtekar, T. Pawlowski and P. Singh, Quantum nature of the big-bang: An analytical and numerical investigation, Physical Review D73, 124038-124071 (2006).

  14. A. Ashtekar, Gravity, geometry and the quantum, In Proceedings of the Conference "Einstein's Century," edited by J. P. Alimi (AIP, New York, 2006).

  15. A. Ashtekar, T. Pawlowski and P. Singh, Quantum nature of the big bang: Improved dynamics, Physical Review D74, 084003-084026 (2006).

  16. A. Ashtekar, The issue of the beginning in quantum gravity, In Proceedings of the 7th International Conference on the history of general relativity, edited by C. Lehner et al, (Springer, Berlin, 2006).

  17. A. Ashtekar, Space and time: From antiquity to Einstein and beyond, Resonance 11, No. 9, 4-19 (2006).

  18. A. Ashtekar, Physics from geometry, Nature Physics 2, 726-727 (2006). [An invited News and Views article]

  19. A. Ashtekar, Black Hole Dynamics in General Relativity, Parmama (in press)

  20. A. Ashtekar, T. Pawlowski and C. Van Den Broeck, Mechanics of Higher Dimensional Black Holes in Asymptotically anti-de Sitter Space Times, Classical and Quantum Gravity, 24, 625-644 (2007) gr-qc/0611049

  21. A. Ashtekar, T. Pawlowski, P. Singh and K. Vandersloot, Loop Quantum Cosmology of k=1 FRW Models, Physical Review D75, 024035-1-26 (2007) gr-qc/0612104

  22. A. Ashtekar, An Introduction to Loop Quantum Gravity Through Cosmology, Nuovo Cimeto (at press) gr-qc/0702030

  23. A. Ashtekar, Loop Quantum Gravity: Four Recent Advances and A Dozen Frequently Asked Questions, Proceedings of the 11th Marcel Grossmann Conference, edited by R. Jantzen and R. Ruffini. (World Scientific, Singapore, to appear) arXiv:0705.2222

  24. A. Ashtekar and M. Bojowald, Loop Quantum Cosmology I: Resolving the Big Bang Singularity from First Principles, In Beyond the Big Bang, edited by R. Vaas (Springer-Verlag, Berlin, 2007)

  25. A. Ashtekar, A. Corichi and P. Singh, On the robustness of key features of loop quantum gravity, Physical Review D77, 024046 (2008), arXiv: 0710:3565

  26. A. Ashtekar, J. Engle and D. Sloan, Asymptotics and Hamiltonians in a first order formalism, Classical and Quantum Gravity, 25, 095020 (2008), arXiv:0802.2527

  27. A. Ashtekar, V. Taveras and M. Varadarajan, Information is not lost in the evaporation of 2-dimensional black holes, Physical Review Letters 100, 211302 (2008), arVix:0801.1811

  28. A. Ashtekar, E. Wilson Ewing, The covariant entropy bound and loop quantum cosmology, Physical Review D78, 064047 (2008), arXiv:0805.3511

  29. A. Ashtekar and D. Sloan, Action and Hamiltonians in higher dimensional general relativity, Classical and Quantum Gravity 25, 225025 (2008), arXiv:0808.0269

  30. A. Ashtekar, Gravity, Geometry and the Quantum, Proceedings of the Physics Diversity Summit and the 2008 Joint Annual Conference of the National Societies of black and Hispanic Physicists, American Institute of Physics Conference Proceedings, Volume 1140, 32-41 (2009)

  31. A. Ashtekar, Quantum Space-time: Beyond the continuum of Minkowski and Einstein, In: Minkowski space-time: A hundred years later, edited by V. Petkov (Springer-Verlag, Berlin, 2009), arXiv:0810,0514.

  32. A. Ashtekar, A. Henderson and D. Sloan, Hamiltonian general relativity and the Belinskii, Khalatnikov, Lifshitz conjecture, Classical and Quantum Gravity, 26, 052001 (2009). rXiv: 0811.4160

  33. A. Ashtekar, Loop quantum cosmology: An overview, General Relativity and Gravitation 41, 707-741 (2009), arXiv: 0812.0177.

  34. A. Ashtekar, Classical singularities and quantum space-times, In: The Proceedings of the `Beyond Einstein Conference’ edited by D. Rowe (Birkhauser, Boston, 2009).

  35. A. Ashtekar, Singularity resolution in loop quantum cosmology: A Brief Overview, Journal of Physics, Conference Series 189, 012003 (2009); arXiv:0812.4703.

  36. A. Ashtekar, The issue of the Beginning in quantum gravity, In: The proceedings of the Workshop on Geometry, Topology, QFT and Cosmology, edited by J. Kouneiher, (Hermann, Paris, 2009).

  37. A. Ashtekar, W. Kaminski and L. Lewandowski, Quantum field theory on a cosmological, quantum space-time, Physical Review D79, 064030 (2009), arXiv:0901.0933.

  38. A. Ashtekar and E. Wilson-Ewing, Loop quantum cosmology of Bianchi I models, Physical Review D79, 083535 (2009); arXiv:0903.3397.

  39. A. Ashtekar, Some surprising implications of background independence in canonical quantum gravity, General Relativity and Gravitation, 41, 1927-1943 (2009), arXiv:0904.0184.

  40. A. Ashtekar, M. Campiglia and A. Henderson, Loop quantum cosmology and spin foam models, Physics Letters B681, 347-352 (2009); arXiv:0909.4221.

  41. A. Ashtekar, E. Wilson-Ewing, Loop quantum cosmology of Bianchi II models, Physical Review D80, 123532 (2009); arXiv:0910.1078.

  42. A. Ashtekar and D. Sloan, Loop quantum cosmology and slow roll inflation, Physics Letters B694 2, 108-112 (2010); arXiv:0912.4093.

  43. A Ashtekar, The big bang and the quantum, AIP Conf. Proceedings 1241, 109-121 (2010); arXiv: 1005.5491.

  44. A. Ashtekar, M. Campiglia and A. Henderson, Casting loop quantum cosmology in the spin foam paradigm, Classical and quantum gravity, 27, 135020 (2010); arXiv: 1001.5147.

  45. A. Ashtekar, M. Campiglia and A. Henderson, Path integrals and the WKB approximation in loop quantum cosmology, Physical Review D 82, 124043 1-12 (2010); arXiv:1011.1024.

  46. A. Ashtekar, F. Pretorius and F. Ramazanoglu, Surprises in the evaporation of two dimensional black holes, Physical Review Letters 106, 161303 1-4 (2011); arXiv:1011.6442.

  47. A. Ashtekar, A. Henderson and D. Sloan, A Hamiltonian formulation of the BKL conjecture, Physical Review D83, 084024 1-15 (2011); arXiv:1103.2475.

  48. A. Ashtekar, F. Pretorius and F. Ramazanoglu, Evaporation of two dimensional black holes, Physical Review D83, 044040 1-18 (2011); arXiv:1012.0077.

  49. A. Ashtekar, S. Chandrasekhar's contributions to general relativity, Physics News, 41, 38-47 (2011); available at http://www.gravity.psu.edu/outreach/index.shtml.

  50. A. Ashtekar and D. Sloan, Probability of inflation in loop quantum cosmology, General Relativity and Gravitation, DOI 10.1007/s10714-011-1246-y (2011).

  51. A. Ashtekar and P. Singh, Loop quantum cosmology: A status report; Classical and Quantum Gravity 28, 213001, 1-123 (2011), arXiv:1108.0893.

  52. A. Ashtekar, Space and Time: The issue of the Beginning and the End, In: Le N\'eant dans la Pens\'ee Contemporaine}, edited by Norbert-Bertrand Barbe, (Bes Editions, Paris, 2011).

  53. A. Ashtekar, Professor S. Chandrasekhar: Some Personal Reflections, Physics News, 41, 87 (2011).

  54. A. Ashtekar, Some Recent Advances in Loop Quantum Cosmology, Journal of Physics: Conference Series, 360, 012001 1-9 (2012).

  55. A. Ashtekar, Black Holes in General Relativity, in: Road to Reality with Roger Penrose, edited by J. Ladyman et al (Copernicus Center Press, Krakow 2015).

  56. A. Ashtekar and T. Pawlowski, Positive cosmological constant in loop quantum cosmology, Physical Review D 85, 064001-22 (2012); arXiv: 1112-0360

  57. A. Ashtekar, Introduction to loop quantum gravity, Pos/QGQG2011-001, edited by F. Hellmann et al; arXiv 1201.4598.

  58. W. Nelson, I. Agullo and A. Ashtekar, Perturbations in Loop Quantum Cosmology, In: The Proceedings of the VIIth International Conference on Gravitation and Cosmology, edited by T.P. Singh (at Press); arXiv: 1204.1288

  59. A. Ashtekar and M. Campiglia , On the Uniqueness of Kinematics of Loop Quantum Cosmology, Classical and Quantum Gravity 29, 242001 (2012); arXiv: 1209.4373

  60. I. Agullo, A. Ashtekar and W. Nelson, A Quantum Gravity Extension of the Inflationary Scenario, Physical Review Letters 109, 251301 (2012) ; Editor's Suggestion and featured in Physics, arXiv: 1209.1609

  61. A. Ashtekar, Some recent advances in loop quantum cosmology, J.Phys:Conf. Ser. 360, 012001, 1-9 (2012)

  62. A. Ashtekar, Introduction to loop quantum gravity and cosmology, In; The Proceedings of the VIth Aegean Summer School, Held at Naxos, Greece, (Ed L. Papantonopoulos, Springer, 2012).

  63. I. Agullo, A. Ashtekar and W. Nelson, An extension of the quantum theory of cosmological perturbations to the Planck era, Physical Review D87, 043507 1-31 (2013); arXiv: 1211.1354

  64. I. Agullo, A. Ashtekar and W. Nelson, Pre-inflationary dynamics of loop quantum cosmology: Confronting quantum gravity with observations, Classical and Quantum Gravity, 30, 085014 1-56 (2013); arXiv: 1302.0254

  65. A. Ashtekar and M. Campiglia and S. Shah, Dynamical black holes: Approach to the final state, Physical Review D 88, 064045 1-17 (2013); arXiv: 1306.5697

  66. A. Ashtekar, Loop quantum gravity and the Planck regime of cosmology, In: General Relativity, Cosmology and Astrophysics Perspectives 100 years after Einstein's stay in Prague, J. Bicak, T. Ledvinka (eds.), Fundamental Theories of Physics 177 (Springer, Cham, Heidelberg, New York (2014)).

  67. A. Ashtekar, A new Perspective on CP and T violation, Studies in History and Philosophy of Science, 52, 16-20 (2015); arXiv: 1307.1331

  68. A. Ashtekar, The last 50 years of general relativity: From GR3 to GR20 Warsaw Conferences, General Relativity and Gravitation 46, 1706-1731, (2014) arXiv:1312.6425

  69. A. Ashtekar, Time in fundamental physics, Studies in History and Philosophy of Science, 52, 69-74 (2014); arXiv:1312.6322

  70. I. Agullo, A. Ashtekar and W. Nelson, A quantum gravity extension of the inflationary paradigm, in: The Proceedings of the 13th Marcel Grossman meeting, edited by R. Janztsen and R. Ruffini (World Scientific, Singapore, 2014).

  71. A. Ashtekar, B. Bonga and A. Kesavan, Asymptotics with a positive cosmological constant: I. Basic Framework, Classical and Quantum Gravity, 32, 025004 (41pp), (2015), arXiv: 1409.3816

  72. A. Ashtekar, B. K. Berger, J. Isenberg and M.A.H. MacCallum, General relativity and gravitation: A centennial perspective (37pp), from: General Relativity and Gravitation: A Centennial Perspective (Cambridge University Press, Cambridge, 2015), arXiv: 1409.5823.

  73. A. Ashtekar, Geometry and physics of null infinity, prepared for Surveys in Differential Geometry, edited by L. Bieri and S. T.- Yau, pp99-122, (International press, Boston, 2015 ); arXiv: 1409:1800.

  74. A. Ashtekar, C. Rovelli and M. Reuter, From general relativity to quantum gravity, in General Relativity and Gravitation: A Centennial Perspective, edited by A. Ashtekar, B. K. Berger, J. Isenberg and M.A.H. MacCallum (Cambridge University Press, Cambridge, 2015), arXiv: 1408:4336.

  75. I. Agullo, W. Nelson and A. Ashtekar, Preferred instantaneous vacuum for linear fields in cosmological space-times, Physical Review D91, 064051 (13pp) (2015); arXiv:1412:3424.

  76. I. Agullo and A. Ashtekar, Unitarity and ultraviolet regularity in cosmology, Physical Review D91, 124010 (19pp) (2015); arXiv: 1503.03407.

  77. A. Ashtekar, Viewpoint: Simplicity of black holes, Physics, 8, 24-27 (2015); arXiv: 1504:07693.

  78. A. Ashtekar, B. Bonga and A. Kesavan, Asymptotics with a positive cosmological constant:II. Linear fields in de Sitter space-time, Physical Review D92, 44011 (14pp) (2015); arXiv:1506.06152.

  79. A. Ashtekar and A. Barrau, Loop Quantum Cosmology: From Pre-Inflationary Dynamics to Observations (invited article for the special issue on "The Early Universe after Planck"), Classical and Quantum Gravity 32, 234001 (20pp) (2015); arXiv: 1504:07559.

  80. A. Ashtekar, B. Bonga and A. Kesavan, Asymptotics with a Positive Cosmological Constant. III. The Quadrupole Formula, Physical Review D92, 10432 (21pp) (2015); arXiv: 1510.05593

  81. A. Ashtekar and B. Gupt, Generalized Effective Description of Loop Quantum Cosmology, Physical Review D92, 084060 (15pp) (2015); arXiv:1509.08899.

  82. A. Ashtekar, Ashtekar Variables, Scholarpedia 10 (6) 32900 (2015).

  83. A. Ashtekar, Quantum General Relativity, Current Science, 109, 2243-1149 (2015).

  84. A. Ashtekar, B. Bonga and A. Kesavan, Gravitational Waves from Isolated Systems: Surprising Consequences of a Positive Cosmological Constant, Physical Review Letters 116, 051101 (5 pages) (2016), Editor's Suggestion arXiv: 1510:04990.

  85. A. Ashtekar, Symmetry Reduced Loop Quantum Gravity: A Bird's Eye View, International Journal of Modern Physics (invited article) 25, 1642010 (2016); arXiv: 1605.02648.

  86. A. Ashtekar and B. Gupt, Quantum Gravity in the Sky: Interplay between Fundamental Theory and Observations, Classical and Quantum gravity, 34, 014002 (44pp) (2017); arXiv: 1608.04228.

  87. A. Ashtekar and B. Gupt, Initial Conditions for Cosmological Perturbations, Classical and Quantum Gravity, 34, 035004 (23pp) (2017); arXiv: 1610.09424.

  88. I. Agullo, A. Ashtekar and B. Gupt, Phenomenology with Fluctuating Quantum Geometries in Loop Quantum Cosmology, Classical and Quantum Gravity, 34, 074003 (30pp) (2017); arXiv: 1611.09810.

  89. A. Ashtekar and J.P. Pullin, 'Overview' Chapter in Loop Quantum Gravity: First 30 Years, edited by A. Ashtekar and J.P. Pullin (World Scientific, Singapore, 2017); arXiv: 1703.07396.

  90. A. Ashtekar, Implications of a Positive Cosmological Constant for General Relativity, Reports on Progress in Physics, Key Issues Review commissioned by the Editors, 12 pages (at Press), arXiv: 1706.07482.

  91. A. Ashtekar and B. Bonga, On a Basic Conceptual Confusion in Gravitational Radiation Theory, arXiv: 1707.07729.

  92. A. Ashtekar and B. Bonga, On the Ambiguity in the Notion of Transverse Traceless Modes of Gravitational Waves, arXiv: 1707.09914.


See Complete Publications List Here



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