Research Areas:
Theoretical Particle Physics, Cosmology
Before joining HKUST as the Director of IAS between 2011 and 2016, Prof. Henry Tye was the Horace White Professor of Physics at Cornell University. He was an IAS Professor and Chair Professor of Physics until December 2019. Prof. Tye’s research interest is in theoretical particle physics and cosmology. He studies the structure of matter at the subatomic level and the fundamental forces in nature. In cosmology, he studies the origin of our universe as well as the properties of today’s universe. He applies superstring theory to link the smallest to the biggest. With the advance of modern science and technology, a number of predictions he made in cosmology may be tested via observation in the near future.
Prof. Tye was born in Shanghai and raised in Hong Kong. He graduated from California Institute of Technology in 1970 and received his PhD from the Massachusetts Institute of Technology in 1974. He did research at Stanford Linear Accelerator Center, Stanford University and Fermi National Accelerator Laboratory before moving to Cornell in 1978, where he stayed until last year. He is a Fellow of the American Physical Society.

Publications

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Chernoff, D. F., & Tye, S. (2018). Detection of low tension cosmic superstrings. Journal of Cosmology and Astroparticle Physics, 2018(05), 002–002. doi: 10.1088/14757516/2018/05/002 

Martino, I. D., Broadhurst, T., Tye, S., Chiueh, T., Schive, H.Y., & Lazkoz, R. (2018). Ultra Light Axionic Dark Matter: Galactic Halos and Implications for Observations with Pulsar Timing Arrays. Galaxies, 6(1), 10. doi: 10.3390/galaxies6010010 

Chernoff, D. F., & Tye, S. (2017). Inflation, string theory and cosmic strings. One Hundred Years of General Relativity, 273–322. doi: 10.1142/9789814678506_0007 

Tye, S., & Wong, S. S. (2017). Linking light scalar modes with a small positive cosmological constant in string theory. Journal of High Energy Physics, 2017(6). doi: 10.1007/jhep06(2017)094 

Martino, I. D., Broadhurst, T., Tye, S., Chiueh, T., Schive, H.Y., & Lazkoz, R. (2017). Recognizing Axionic Dark Matter by Compton and de Broglie Scale Modulation of Pulsar Timing. Physical Review Letters, 119(22). doi: 10.1103/physrevlett.119.221103 

Tye, S. (2017). Why the cosmological constant is so small: A string theory perspective. Advances in Theoretical and Mathematical Physics, 21(7), 1803–1818. doi: 10.4310/atmp.2017.v21.n7.a9 

Tye, S., & Wong, S. S. C. (2017). Baryon number violating scatterings in laboratories. Physical Review D, 96(9). doi: 10.1103/physrevd.96.093004 

Tye, S. (2016). Supplement to the “Giant Collider in China” debate: Background on Prof. C. N. Yang’s opinion on highenergy physics. International Journal of Modern Physics A, 31(30), p.1630056. doi:10.1142/S0217751X16300568 

Tye, S. and Wong, S. (2016). The Chern–Simons Number as a Dynamical Variable. Annals of Mathematical Sciences and Applications, 1(1), pp.123147. doi: 10.4310/amsa.2016.v1.n1.a3 

Tye, S. and Wong, S. (2015). Bloch Wave Function for the Periodic Sphaleron Potential and Unsuppressed Baryon and Lepton Number Violating Processes, Physical Review D, 92(4), 045005. doi:10.1103/PhysRevD.92.045005 

Yu, Y., Ceng, K., Shiu, G. and Tye, S. (2014). Implications of Fast Radio Bursts for Superconducting Cosmic Strings, Journal of Cosmology and Astroparticle Physics, 2014, 040. doi:10.1088/14757516/2014/11/040 

Sumitomo, Y. and Tye, S. (2013). Preference for a vanishingly small cosmological constant in supersymmetric vacua in a Type IIB string theory model. Physics Letters B, 723(45), 406410. doi:10.1016/j.physletb.2013.05.027 

Sumitomo, Y. and Tye, S. (2013). A stringy mechanism for a small cosmological constant  multimoduli cases. Journal of Cosmology and Astroparticle Physics, 2, 006. doi: 10.1088/14757516/2013/02/006 

Sumitomo, Y., Tye, S. and Wong, S. (2013). Statistical distribution of the vacuum energy density in racetrack Kahler uplift models in string theory. Journal of High Energy Physics, 2013(7), 120. doi:10.1007/JHEP07(2013)052 

Chen, X., Shiu, G., Sumitomo, Y. and Tye, S. (2012). A global view on the search for de Sitter vacua in (Type IIA) string theory. Journal of High Energy Physics, 2012(4). doi:10.1007/JHEP04(2012)026 

