Proposes the information-complete quantum theory (ICQT) as a framework for quantum gravity where universal spacetime-matter entanglement serves as the sole information carrier without classical systems.
Conceptual Problems in Quantum Gravity and Quantum Cosmology
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abstract
The search for a consistent and empirically established quantum theory of gravity is among the biggest open problems of fundamental physics. The obstacles are of formal and of conceptual nature. Here, I address the main conceptual problems, discuss their present status and outline further directions of research. For this purpose, the main current approaches to quantum gravity are briefly reviewed and compared.
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In the UV regime of Horava-Lifshitz gravity the Wheeler-DeWitt solutions suppress annihilation-to-nothing behavior for all examined spatial sections and cosmological constants.
Nonlocal black holes remain consistent with general relativity at the 1.13-sigma level after joint lensing and quasinormal-mode constraints.
citing papers explorer
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Universal Entanglement and an Information-Complete Quantum Theory
Proposes the information-complete quantum theory (ICQT) as a framework for quantum gravity where universal spacetime-matter entanglement serves as the sole information carrier without classical systems.
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Ultraviolet Behavior of the Wheeler-DeWitt Equation in Horava-Lifshitz Gravity
In the UV regime of Horava-Lifshitz gravity the Wheeler-DeWitt solutions suppress annihilation-to-nothing behavior for all examined spatial sections and cosmological constants.
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Observational constraints on nonlocal black holes via gravitational lensing
Nonlocal black holes remain consistent with general relativity at the 1.13-sigma level after joint lensing and quasinormal-mode constraints.