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The quantum cosmological constant
Stephon Alexander, Joao Magueijo, Lee Smolin
We present an extension of general relativity in which the cosmological constant becomes dynamical and turns out to be conjugate to the Chern-Simons invariant of the Ashtekar conne…
A Universe that does not know the time
Joao Magueijo, Lee Smolin
In this paper we propose that cosmological time is a quantum observable that does not commute with other quantum operators essential for the definition of cosmological states, nota…
Temporal relationalism
Lee Smolin
Because of the non-locality of quantum entanglement, realist approaches to completing quantum mechanics have implications for our conception of space. Quantum gravity also is expec…
The Equivalence Principle and the Emergence of Flat Rotation Curves
Stephon Alexander, Lee Smolin
We explain flat rotation curves and the baryonic Tully-Fisher relation by a combination of three hypotheses. The first is a formulation of the equivalence principle for gravitation…