Last Update 2018/05/30
Modern cosmology has been developed and refined based on precision observational data. It is fair to say that many of the parameters describing our universe have been determined, or at least are in the process of being determined, with good precision. However, the physics behind the values of these parameters is still covered by a veil of mystery. For example, we do not know what dark energy and dark matter really are, although our universe is thought to be filled mostly with them. Also, what made our universe so big? This question can be addressed by cosmic inflation, but again we do not know the physical origin of the vacuum energy driving inflation. Three big mysteries, dark energy, dark matter and inflation, are standing in the way of cosmology which boasts precision observational data.
I have been working on research subjects such as brane world cosmology, string cosmology, Higgs phase of gravity and horizon thermodynamics in order to tackle the mysteries of the universe. I will continue this challenging task by using every possible means such as general relativity, particle physics and superstring theory.
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