2013
DOI: 10.1007/s00023-013-0262-8
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The 1/N Expansion of Multi-Orientable Random Tensor Models

Abstract: Multi-orientable group field theory (GFT) has been introduced in [1], as a quantum field theoretical simplification of GFT, which retains a larger class of tensor graphs than the colored one. In this paper we define the associated multi-orientable identically independent distributed multi-orientable tensor model and we derive its 1/N expansion. In order to obtain this result, a partial classification of general tensor graphs is performed and the combinatorial notion of jacket is extended to the m.o. graphs. We… Show more

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Cited by 63 publications
(79 citation statements)
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“…It would be interesting to apply the melonic approximation to other tensor models supporting a large-N expansion, e.g. to multi-orientable tensor models [16]. For future investigation remains the numerical study of the four-point function we treated in section 5.…”
Section: Resultsmentioning
confidence: 99%
“…It would be interesting to apply the melonic approximation to other tensor models supporting a large-N expansion, e.g. to multi-orientable tensor models [16]. For future investigation remains the numerical study of the four-point function we treated in section 5.…”
Section: Resultsmentioning
confidence: 99%
“…It is not the place to review all these results [1][2][3]6]. Beyond model building of 4d gravity models, mainly from the spin foam and loop quantum gravity perspective, as well as the associated study of their quantum geometric degrees of freedom (see [8,12,14] and references therein), work in tensor models includes: (i) a detailed understanding of the combinatorics and topology of the cellular complexes generated in perturbative expansion, which takes advantage of results in combinatorial topology [36], concerns the absence of extended topological singularities [37], as well as the presence of embedded Riemann surfaces [38]; (ii) the important identification of a large-N expansion for tensor models and topological GFTs [18][19][20] (other types of large-N expansion have been proposed in [21,22]); leading then to (iii) many further results concerning the critical behavior of various tensor models [23,28] and topological GFTs; and (iv) the identification the leading order sector as branched polymers [29]. Many more results concern field theory aspects of the formalism, including universality [34,35], scaling behavior [43], renormalizability [15,17,39,41,42,[44][45][46][47], and quantum and classical symmetries New J. Phys.…”
mentioning
confidence: 99%
“…Let us describe the colored graphs of vanishing order, which have been extensively studied in the literature. Melonic graphs are series-parallel colored graphs which appear in the context of random tensor models [1,2,13]. They are obtained by recursively inserting pairs of vertices linked by q edges, as shown in Fig.…”
Section: Bijection With Constellationsmentioning
confidence: 99%