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Unimodular Gravity Redux · Around

2015

Unimodular Gravity Redux

Álvarez, E., González-Martín, S., Herrero-Valea, M. et al.

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Understand

It is well known that the problem of the cosmological constant appears in a new light in Unimodular Gravity.

In particular, the zero momentum piece of the potential does not automatically produce a corresponding cosmological constant.
Here we show that quantum corrections do not renormalize the classical value of this observable.

Built on

A. Einstein, “Do gravitational fields play an essential part in the structure of the elementary particles of matter?,” Sitzungsber. Preuss. Akad. Wiss. Berlin (Math. Phys. ) 1919
1919
Earlier work this paper cites.
S. M. Christensen and M. J. Duff, Nucl. Phys. B 170
1980
Earlier work this paper cites.
J. J. van der Bij, H. van Dam and Y. J. Ng, “The Exchange of Massless Spin Two Particles,” Physica 116A
1982
Earlier work this paper cites.

Similar

A. O. Barvinsky and G. A. Vilkovisky, “The Generalized Schwinger-Dewitt Technique in Gauge Theories and Quantum Gravity,” Phys. Rept. 119
1985
Cited alongside, same era.
E. Alvarez, D. Blas, J. Garriga and E. Verdaguer, “Transverse Fierz-Pauli symmetry,” Nucl. Phys. B 756
Original
2013
Cited alongside, same era.

Then

G. F. R. Ellis, “The Trace-Free Einstein Equations and inflation,” Gen. Rel. Grav. 46
Original
2014
Later among the works it cites.
E. Alvarez, S. González-Martín, M-Herrero-Valea and C.P. Martín, Quantum corrections to Unimodular gravity
Original
2014
Later among the works it cites.

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