Higuchi bound

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 ... 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:

llustrating the two trajectories of mass-squared against spin. The ...

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 … 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 ). darksmith legacy books https://connersmachinery.com

L Académie Alice Tome 22 By Tachibana Higuchi

WebThe red head whipped his head up, eyes wide as he spots Higuchi bound similarly. There was a large difference between him being bound and her however… he at least had all his clothes. “Higuchi!” He gasps. “Are you okay? ... Higuchi shook her head and pulled his fist back and he couldn’t stop himself from following her. He saw the ... 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 … 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... dark smokey background

[1208.1797] On Partially Massless Bimetric Gravity - arXiv

Category:[1208.1797] On Partially Massless Bimetric Gravity - arXiv

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Higuchi bound

String Regge trajectories in de Sitter space and implications …

WebAug 4, 2024 · We discuss the conditions to satisfy the Higuchi bound and to avoid gradient instabilities in the scalar sector for cosmological solutions in singly coupled bimetric … 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 ...

Higuchi bound

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WebJul 4, 2024 · Interestingly, as a consequence of accelerated expansion, there exists a maximum spin for each Regge trajectory, which is helpful to make the spectrum consistent with the Higuchi bound, but at the same time, it could be an obstruction to stringy UV completion based on an infinite higher-spin tower. 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 tiedupandgagged gaggedgirl girlintrouble gaggedtiedup gaggedbound idolmaster_shiny_colors madoka_higuchi. Description. Quite an unexpected but quite nice …

WebAug 9, 2012 · We 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. 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.

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 ... WebApr 14, 2024 · They are bound by unflinching self-belief, ability to focus and commitment to keep giving their best week in-week out irrespective of the outcome. ... Higuchi is one of the founding members of the Japan LPGA (JLPGA) Tour, which came into being in 1968. She has a whopping 69 JLPGA titles to her name. In 2003, Higuchi was the first Japanese ...

WebThis inequality, called Higuchi bound [6], is a consequence of the (approximate) de Sitter symmetries during in ation. It implies that particles with spin decay outside the horizon faster than 1=a, where ais the scale factor. This implies that they leave a small e ect in the squeezed limit of correlation functions.

WebNov 20, 2012 · Cosmological perturbations in massive gravity and the Higuchi bound. Matteo Fasiello 1 and Andrew J. Tolley 1. Published 20 November 2012 • Published under … dark smoke headlight tint mercedes c300 2008WebLast, 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 .... dark smithing stone elden ringWebcalled Higuchi bound [10], m2 ≥ sðs−1ÞH2; ð1Þ on the mass of higher-spin particles in de Sitter space [11]. Here, m and s are the mass and spin of a particle, respectively, and H ¼ 1=R is the Hubble parameter with R being the de Sitter radius. Massive higher-spin particles violating the Higuchi bound contain helicity modes with a bishops lodge hay moteldark smudge on lcd monitorWebMar 1, 2024 · Our interesting observation is the abrupt behavior of the system just when the theory touches the Higuchi bound [17], where the constraint structure of the system has a completely different character. Exactly at the Higuchi bound, one chain of constraints with four second class elements changes to a first class chain with three elements. dark snake syndrome activate each turnWebFeb 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 ... darks music companyWebDec 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 … dark smith of drontheim