The fermionic contribution to the spectrum of the area operator in nonperturbative quantum gravity

Details The fermionic contribution to the spectrum of the area operator in nonperturbative quantum gravity The fermionic contribution to the spectrum of the area operator in nonperturbative quantum gravity

1998-06-30

arxiv.org/abs/gr-qc/9806120v2

Class.Quant.Grav. 15 (1998) 3795-3801

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, revtex file. Revised version

Scientific paper

10.1088/0264-9381/15/12/009

The role of fermionic matter in the spectrum of the area operator is analyzed using the Baez--Krasnov framework for quantum fermions and gravity. The result is that the fermionic contribution to the area of a surface $S$ is equivalent to the contribution of purely gravitational spin network's edges tangent to $S$. Therefore, the spectrum of the area operator is the same as in the pure gravity case.

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