The New Planck Scale: Quantized Spin and Charge Coupled to Gravity

Details The New Planck Scale: Quantized Spin and Charge Coupled to Gravity The New Planck Scale: Quantized Spin and Charge Coupled to Gravity

2003-05-23

arxiv.org/abs/gr-qc/0305092v1

Int.J.Mod.Phys. D12 (2003) 1657-1662

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

8 pages, This essay received an "honourable mention" in the 2003 Essay Competition of the Gravity Research Foundation

Scientific paper

10.1142/S0218271803004134

In the standard approach to defining a Planck scale where gravity is brought into the quantum domain, the Schwarzschild gravitational radius is set equal to the Compton wavelength. However, ignored thereby are the charge and spin, the fundamental quantized aspects of matter. The gravitational and null-surface radii of the Kerr-Newman metric are used to introduce spin and charge into a new extended Planck scale. The fine structure constant appears in the extended Planck mass and the recent discovery of the $\alpha$ variation with the evolution of the universe adds further significance. An extended Planck charge and Planck spin are derived. There is an intriguing suggestion of a connection with the $\alpha$ value governing high-energy radiation in Z-boson production and decay.

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