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Information Loss in Black Holes and/or Conscious Beings?
Don N. Page
In 1976 Stephen Hawking proposed that information may be lost from our universe as a pure quantum state collapses gravitationally into a black hole, which then evaporates completel…
Probabilities Don't Matter
Don N. Page
It is suggested that probabilities need not apply at all to matter in the physical world, which may be entirely described by the amplitudes given by the quantum mechanical state. I…
Bosonic physical states in N=1 supergravity?
S. M. Carroll, D. Z. Freedman, M. E. Ortiz +1
It is argued that states in supergravity that solve all of the constraint equations cannot be bosonic in the sense of being independent of the fermionic degrees of freedom. (…
Too Soon for Doom Gloom?
Tomas Kopf, Pavel Krtous, Don N. Page
The observation that we are among the first 10^{11} or so humans reduces the prior probability that we find ourselves in a species whose total lifetime number of individuals is muc…
Physical States in Canonically Quantized Supergravity
Sean M. Carroll, Daniel Z. Freedman, Miguel E. Ortiz +1
We discuss the canonical quantization of supergravity in the functional Schrodinger representation. Although the form of the supersymmetry constraints suggests that there are…