Regensburg 1998 – wissenschaftliches Programm

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PV: Plenarvorträge

PV III

PV III: Plenarvortrag

Mittwoch, 25. März 1998, 08:30–09:15, H1

Quantum Gravity — Where do we stand? — •Yuval Ne’eman — Tel Aviv University and University of Texas at Austin

We review five possible solutions to the riddle posed by Quantum Gravity: (1) Gravity should stay as a classical theory (L. Rosenfeld); (2) Quantum Gravity requires a formalism which will take the human mind (or the intelligent observer) into account, resolving at the same time the riddle of the collapse of the wave function/state vector in Quantum Mechanics in general (Penrose); (3) Perturbative Quantization; (4) Hamiltonian Quantization (Dirac, Ashtekar); (5) String Theory. We also discuss the quantization of spacetime.