Emergent gravitational dynamics from multi-BEC hydrodynamics?

Details Emergent gravitational dynamics from multi-BEC hydrodynamics? Emergent gravitational dynamics from multi-BEC hydrodynamics?

2010-11-19

arxiv.org/abs/1011.4411v1

Phys.Rev.D83:024022,2011

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

revtex4, 23 pages

Scientific paper

10.1103/PhysRevD.83.024022

In this paper, we examine the possibility to implement some form of emergent Newtonian gravity in a generic multi-component Bose--Einstein condensate. Parallely to what happens for the emergence of low energy Lorentz invariance, strong requirements have to be imposed on the underlying condensed matter model. We will show, within a simplified model, that the presence of a global symmetry alleviates the problems associated to Lorentz violation, allows the presence of a long range potential, to which the analogue matter fields (the quasi-particles) are coupled following a weaker form of equivalence principle.

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