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- University of Maryland, College ParkUS25 papers
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- California Institute of TechnologyUS19 papers
- Rutherford Appleton LaboratoryGB17 papers
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- Australian National UniversityAU12 papers
19 papers · 1 filter
Life on moduli space?
Stephen D. H. Hsu
While the number of metastable landscape vacua in string theory is vast, the number of supermoduli vacua which lead to distinct low energy physics is even larger, perhaps infinitel…
Minimal Uncertainty in Momentum: The Effects of IR Gravity on Quantum Mechanics
Behrouz Mirza, Moslem Zarei
The effects of the IR aspects of gravity on quantum mechanics is investigated. At large distances where due to gravity the space-time is curved, there appears nonzero minimal uncer…
Unitarity and the Hilbert space of quantum gravity
Stephen D. H. Hsu, David Reeb
Under the premises that physics is unitary and black hole evaporation is complete (no remnants, no topology change), there must exist a one-to-one correspondence between states on…
Quantum gravity at a TeV and the renormalization of Newton's constant
Xavier Calmet, Stephen D. H. Hsu, David Reeb
We examine whether renormalization effects can cause Newton's constant to change dramatically with energy, perhaps even reducing the scale of quantum gravity to the TeV region with…
What is the entropy of the universe?
Paul Frampton, Stephen D. H. Hsu, Thomas W. Kephart +1
Standard calculations suggest that the entropy of our universe is dominated by black holes, whose entropy is of order their area in Planck units, although they comprise only a tiny…
Black hole entropy, curved space and monsters
Stephen D. H. Hsu, David Reeb
We investigate the microscopic origin of black hole entropy, in particular the gap between the maximum entropy of ordinary matter and that of black holes. Using curved space, we co…