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Newton-Cartan gravity and torsion (CROSBI ID 251884)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Bergshoeff, Eric ; Chatzistavrakidis, Athanasios ; Romano, Luca ; Rosseel, Jan Newton-Cartan gravity and torsion // The Journal of high energy physics, 2017 (2017), 10; 194, 21. doi: 10.1007/JHEP10(2017)194

Podaci o odgovornosti

Bergshoeff, Eric ; Chatzistavrakidis, Athanasios ; Romano, Luca ; Rosseel, Jan

engleski

Newton-Cartan gravity and torsion

We compare the gauging of the Bargmann algebra, for the case of arbitrary torsion, with the result that one obtains from a null-reduction of General Relativity. Whereas the two procedures lead to the same result for Newton-Cartan geometry with arbitrary torsion, the null-reduction of the Einstein equations necessarily leads to Newton-Cartan gravity with zero torsion. We show, for three space-time dimensions, how Newton-Cartan gravity with arbitrary torsion can be obtained by starting from a Schrodinger field theory with dynamical exponent z = 2 for a complex compensating scalar and next coupling this field theory to a z = 2 Schrodinger geometry with arbitrary torsion. The latter theory can be obtained from either a gauging of the Schrodinger algebra, for arbitrary torsion, or from a null-reduction of conformal gravity.

Classical Theories of Gravity ; Space-Time Symmetries

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Podaci o izdanju

2017 (10)

2017.

194

21

objavljeno

1126-6708

1029-8479

10.1007/JHEP10(2017)194

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Fizika

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