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Analog model for quantum gravity effects: phonons in random fluids

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arxiv 1006.3350 v1 pith:WSVAW7ZV submitted 2010-06-17 hep-th cond-mat.stat-mechhep-ph

G. Krein , G. Menezes , N. F. Svaiter This is my paper · ORCID
classification hep-thcond-mat.stat-mechhep-ph
keywords modelphononsrandomfreequantumanalogeffectsgravity
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We describe an analog model for quantum gravity effects in condensed matter physics. The situation discussed is that of phonons propagating in a fluid with a random velocity wave equation. We consider that there are random fluctuations in the reciprocal of the bulk modulus of the system and study free phonons in the presence of Gaussian colored noise with zero mean. We show that in this model, after performing the random averages over the noise function a free conventional scalar quantum field theory describing free phonons becomes a self-interacting model.

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  1. Analog model for Euclidean wormholes: Bose-Einstein condensate with dirty surfaces

    gr-qc 2024-12 reject novelty 4.0 of 10

    Random surface fields in a Bose-Einstein condensate are claimed to generate non-local effective interactions that mimic Euclidean wormholes, with a disorder-induced Casimir pressure as the leading consequence.

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