Higuchi bound

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August undefined, 2024

WebMar 12, 2024 · In this letter we show that the Higuchi bound can be circumvented in an alternative description of massive spin-2 particles known as $\mathcal {L} (a_1)$ models. In maximally symmetric spaces the... WebHiguchi bound contain helicity modes with a negative norm, hence they are prohibited by unitarity. Immedi-Ms4 H2 Ms2 H2 s m 2 FIG. 1: Higuchi bound vs linear Regge trajectory: The shaded region is prohibited by the Higuchi bound (1). The linear Regge trajectory (the straight line) enters the prohib-ited region at a critical spin s c ’M2 s =H 2.

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WebMar 23, 2024 · Higuchi Bound on Slow Roll Inflation and the Swampland Marvin Lüben, Dieter Lust In this paper we study the implications of the generalized Higuchi bound on … WebDec 10, 2024 · The Higuchi bound [3] is a bound on the mass of fields with spin two or higher in de Sitter space which captures the absence of ghosts. It states that a field of … how long between coats of epoxy primer

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WebJan 24, 2024 · In the context of bimetric theories, the stability of the homogeneous and isotropic universe requires (see footnote 2) the generalized Higuchi bound condition to be satisfied. In the standard bigravity theory on a de Sitter background spacetime, it reduces to the classical Higuchi bound ( 32 ). WebJun 1, 1988 · In this brief note we consider the interaction between high spin excitations in string theory along the Regge trajectory and the Higuchi bound in de Sitter space. There is … WebLast, Higuchi's group-theoretic analysis of the eigenmodes showed that there is a lower bound for the mass parameter of integer-spin fields, below which the fields can only be non-unitary 3 .... how long between coats of interior paint

Extending applicability of bimetric theory: chameleon bigravity

WebDec 7, 2024 · Interestingly, as a consequence of accelerated expansion, there exists a maximum spin for each Regge trajectory, which is helpful to make the spectrum … WebApr 14, 2024 · Water structuring in the hydrogels showed appreciably more variance, with ratios of free to bound water differing from 16.7:1 (NVF) to 1.3:1 (CEA), corresponding to PNVF having ~67 water molecules per repeat unit. The release studies of different dye molecules followed Higuchi’s model, with the amount of dye released from the hydrogels ... how long between covid 19 shotsWebL Académie Alice Tome 22 By Tachibana Higuchi L Académie Alice Tome 22 By Tachibana Higuchi Voici une vido d un atelier dans ma salle qui. Diario de la marina UFDC Home. UNADEV TV Handicap visuel faire de notre diversit une. journes nationales microondes Topics by Science gov. sanitaire des isotopes Topics by Science gov. Diario de la how long between colonoscopies after 50

"WebSep 23, 2016 · The International School for Advanced Studies (SISSA) was founded in 1978 and was the first institution in Italy to promote post-graduate courses leading to a Doctor … " - Higuchi bound

Higuchi bound

Phys. Rev. D 97, 024050 (2024) - Stable cosmology in chameleon …

WebSep 1, 2016 · @article{osti_22679453, title = {Tensor squeezed limits and the Higuchi bound}, author = {Bordin, Lorenzo and Creminelli, Paolo and Mirbabayi, Mehrdad and Noreña, Jorge}, abstractNote = {We point out that tensor consistency relations—i.e. the behavior of primordial correlation functions in the limit a tensor mode has a small momentum—are … WebMar 31, 2024 · Interestingly, after BHK-21 cells were treated with PeV-A3 at 4 °C, VP0 proteins bound to BHK-21 cells even in the absence of the FLAG-MYADM protein ... Watanabe K, Oie M, Higuchi M, Nishikawa M, Fujii M. Isolation and characterization of novel human parechovirus from clinical samples. Emerg. Infect. Dis.

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WebIn this brief note we consider the interaction between high spin excitations in string theory along the Regge trajectory and the Higuchi bound in de Sitter space. There is always a … WebOct 1, 2024 · In this setup, the minimal inflationary field content interacts with the massive spin-2 field through dRGT interactions, thus guaranteeing the absence of Boulware-Deser ghostly degrees of freedom. The unitarity requirement on spinning particles, known as Higuchi bound, plays a crucial role for the size of the observable signal. Authors:

WebOct 9, 2024 · The existence of light particles with spin during inflation is prohibited by the Higuchi bound. This conclusion can be evaded if one considers states with a sizeable coupling with the inflaton foliation, since this breaks the de Sitter isometries. The action for these states can be constructed within the Effective Field Theory of Inflation, or ... WebJan 29, 2024 · [PR] Madoka Higuchi Tied up. By. VakaOsciosa. Watch. Published: Jan 30, 2024. 783 Favourites. 3 Comments. 41.1K Views. gagged tiedup idolmaster …

WebMar 29, 2010 · 1. It is worth to mention that in a recent paper [7] a mechanism was described to modify the Higuchi bound in a de Sitter Universe by adding a suitable coupled ghost; in our work we will consider only canonically normalized scalar fields. See also [8] for the study of the behavior of a different model of infrared-modified gravity on FRW … WebThe value of mg is precisely the Spin-2 gauge line appearing on the Λ - m 2 g phase diagram for Spin-2, the partially massless gauge lines introduced by Deser & Waldron in the m 2 g, Λ) phase plane and described as the Higuchi bound m 2 g = 2 Λ /3. Note that this graviton is unitary with only four polarization degrees of freedom (helicities ...

WebSep 1, 2016 · The existence of light particles with spin during inflation is prohibited by the Higuchi bound. This conclusion can be evaded if one considers states with a sizeable …

WebThe existence of light particles with spin during inflation is prohibited by the Higuchi bound. This conclusion can be evaded if one considers states with a sizeable coupling with the inflaton... how long between covid vaccine doses ontario how long between covid vaccine boostersWebWe extend the notion of the Higuchi bound and partial masslessness to ghost-free nonlinear bimetric theories. This can be achieved in a simple way by first considering linear massive spin-2 perturbations around maximally symmetric background solutions, for which the linear gauge symmetry at the Higuchi bound is easily identified. ... how long between covid and flu jabsWebJun 1, 1988 · A note on string excitations and the Higuchi bound. Physics Letters B, Volume 799, 2024, Article 135067. Show abstract. In this brief note we consider the interaction between high spin excitations in string theory along the Regge trajectory and the Higuchi bound in de Sitter space. There is always a point along the Regge trajectory where the ... how long between covid shot and shingrixWebMar 12, 2024 · In this letter we show that the Higuchi bound can be circumvented in an alternative description of massive spin-2 particles known as $\mathcal {L} (a_1)$ models. … how long between coats of paint on woodWebFeb 22, 2024 · Mass and spin for classical strings in. We demonstrate that all rigidly rotating strings with center of mass at the origin of the static patch satisfy the Higuchi bound. This extends the observation of Noumi et al. for the open GKP-like string to all solutions of the Larsen-Sanchez class. We argue that strings violating the bound end up ... how long between consultation and surgeryWebJan 31, 2024 · In particular it ensures that the Higuchi bound is satisfied at all scales, that no Vainshtein mechanism is needed to satisfy Solar System experiments, and that the strong coupling scale is always above the scale of cosmological interest all … how long between coats of paint outdoors