1,071 research outputs found
Irrelevant Interactions without Composite Operators - A Remark on the Universality of Second Order Phase Transitions
We study the critical behaviour of symmetric theory including
irrelevant terms of the form in the bare action,
where is the UV cutoff (corresponding e.g. to the inverse lattice
spacing for a spin system). The main technical tool is renormalization theory
based on the flow equations of the renormalization group which permits to
establish the required convergence statements in generality and rigour. As a
consequence the effect of irrelevant terms on the critical behaviour may be
studied to any order without using renormalization theory for composite
operators. This is a technical simplification and seems preferable from the
physical point of view. In this short note we restrict for simplicity to the
symmetry class of the Ising model, i.e. one component theory. The
method is general, however.Comment: 13 page
House-ing Urban Kin: Family Configurations, Household Economies and Inequality in Brazilâs Public Housing
In Brazilâs post-neoliberal government, social policies became the bedrock for a new political economy predicated on poverty alleviation via market inclusion. This article draws from long-term ethnographical research conducted among beneficiaries of Minha Casa Minha VidaâBrazilâs largest housing policy. I am interested in the myriad ways policy designs and its contentious operation symbiotically reshape sociability and kin among first-time homeowners. I take a closer look at how ideas and configurations of the family travel across intimate and public domainsâfrom communitarian politics to household economiesâand are anxiously negotiated, becoming the indexer of experiential moral systems of care. Transitioning across multi-scalar instances of everyday sociality, I interrogate how such economies conflate with the infrastructures and pervasive imaginaries of the house in the local machineries of the policy.Introduction The "bureaucratic family": Modeling working-class households The Big Family - The Family Political - Celebrating the "Big Family" - "Big-Women" Restructured Household Economies - Family Debris - New Domestic Arrangements Conclusio
A Politics of Hope: The Making of Brazilâs Post-Neoliberal New Middle Class
How does hope emerge as a life-altering possibility against the backdrop of economic precarity, political disregard, and soaring inequality? This paper explores the role of hope as both a political-economic construct and an infrastructural affect in the wake of policy implementation. It draws on a five-year ethnography among community leaders, housing activists, planners, politicians, state officials, and market representatives involved in the implementation of Minha Casa Minha Vida, Brazilâs largest social housing program. In recent years, low-income projects have become the battleground for experimental, post-neoliberal forms of democratic governance via inclusive consumption. These publicâprivate housing infrastructures give insight into the relationship between material hope and the making of Latin Americaâs âpink tideâ new middle classes: how grassroots communities organize around hierarchies of worthiness to allocate wellbeing-enhancing state benefits, and how the uneven distribution of these benefits sustains the constitution of emerging, albeit temporary, collectives of consumer citizens.Dieses Papier untersucht die Rolle von Hoffnung bei der Umsetzung von Politikvorhaben in zweifacher Hinsicht: als politökonomisches Konstrukt und als infrastruktureller Affekt. Es basiert auf einer fĂŒnfjĂ€hrigen ethnografischen Untersuchung unter kommunalen FĂŒhrungskrĂ€ften, Wohnungsaktivistinnen und -aktivisten, Planungsverantwortlichen, staatlichen FunktionĂ€rinnen und FunktionĂ€ren, Vertreterinnen und Vertretern aus Politik und Wirtschaft, die an der Implementierung von âMinha Casa Minha Vidaâ, Brasiliens gröĂtem sozialen Wohnungsbauprogramm, beteiligt waren. In den letzten Jahren sind Bauprojekte fĂŒr Geringverdiener zum Schauplatz fĂŒr experimentelle und postneoliberale Formen demokratischer Governance geworden, die darauf zielen, BĂŒrger durch Konsum zu inkludieren. Das Beispiel dieser öffentlich-privaten Wohninfrastrukturen hilft, den Zusammenhang zwischen materieller Hoffnung und dem Entstehen der neuen lateinamerikanischen Mittelschichten zu verstehen. Es zeigt, wie sich neue Gemeinschaften entlang von Wertehierarchien organisieren, um staatliche Hilfen zu verteilen und macht deutlich, wie die ungleiche Verteilung dieser Hilfen die Entstehung neuer, wenn auch kurzlebiger, Kollektive von âVerbraucherbĂŒrgernâ fördert.Contents 1 Introduction 2 Policy afterlives 3 Material hope 4 Local infrastructures of hope 5 Deferred hope 6 Economic mediants 7 The double temporalities of hope 8 Hereafter Appendix Reference
Les politiques publiques et leurs aprÚs-vie: Le mérite et la citoyenneté habitationnelle au Brésil de la mobilité sociale
PolĂticas econĂŽmicas e sociais construĂram o caminho para a redução das desigualdades e melhoria de vida de milhĂ”es de brasileiros nos anos de 2000. Com base em pesquisa entre recipientes do programa Minha Casa, Minha Vida, discute-se os nexos etnogrĂĄficos entre polĂticas pĂșblicas e mobilidade ascendente. Seguindo a trajetĂłria pĂșblica e privada de dona Hilda â uma senhora negra e pobre de 97 anos que vive na periferia de Porto Alegre â argumento que a mobilidade emergente no cerne da ampliação das intervençÔes de governo materializou-se em alinhamentos difusos entre polĂticos locais, agentes de mercado, planejadores, lideranças e âcidadĂŁos desejantesâ. Para navegar esses terrenos polĂticos, econĂŽmicos e comunitĂĄrios, dona Hilda engajou-se num trabalho por cidadania habitacional e merecimento que a converteu na personagem exemplar do programa. Deslindando os limites morais entre discurso, histĂłria e subjetividade, a cartografia desses fragmentos estĂĄ mais bem equipada para explorar as pĂłs-vidas das polĂticas pĂșblicas no Brasil recente.Economic and social policies paved the way for inequality alleviation and wellbeing improvements in the lives of millions during the 2000s in Brazil. Drawing from ethnography conducted among recipients of the housing program Minha Casa, Minha Vida [âMy House, My Lifeâ], this article examines the ways public policies intersect with upward mobility. Charting the public and private trajectories of dona Hilda [Mrs. Hilda] â a 97-year-old poor black woman living in the periphery of Porto Alegre â I argue that mobility arising from within the widened scope of state interventions produced multiscale alignments between local politicians, marketers, planners, community leaders, and desiring citizens. To navigate this political, economic, and communitarian terrains, dona Hilda engaged in a laborious work for housing citizenship and worthiness that converted her into the programâs exemplarycharacter. Unraveling the moral boundaries at the juncture of discourse, history and subjectivity, the cartography of subjective fragments is best suited to explore the lingering afterlives of public policies in present-day Brazil.Les politiques Ă©conomiques et sociales ont construit la voie vers la rĂ©duction des inĂ©galitĂ©s et lâamĂ©lioration de la vie de millions de BrĂ©siliens dans les annĂ©es 2000. GrĂące aux recherches existantes parmi les bĂ©nĂ©ficiaires du programme Minha Casa, Minha Vida (Ma Maison, Ma Vie), nous abordons les liens ethnographiques entre les politiques publiques et la mobilitĂ© ascendante. Nous avons accompagnĂ© la trajectoire publique et privĂ©e de Mme. Hilda â une femme au foyer, noire, pauvre, de 97 ans, vivant dans la banlieue de Porto Alegre â grĂące Ă laquelle nous soutenons que la mobilitĂ© Ă©mergente au cĆur de lâexpansion des interventions gouvernementales sâest matĂ©rialisĂ©e pardes alignements diffus entre les politiciens locaux, les agents Ă©conomiques, les planificateurset les « citoyens dĂ©sirants ». Pour sâinsĂ©rer dans ces terrains politiques, Ă©conomiques et communautaires, Mme Hilda sâest engagĂ©e dans un travail pour la citoyennetĂ© habitationnelle et le mĂ©rite, ce qui lâa convertie en un personnage exemplairede programme. En Ă©lucidant les limites morales entre le discours, lâhistoire et la subjectivitĂ©, la cartographie de ces fragments est mieux outillĂ©e pour exploiter la continuitĂ© des politiques publiques au BrĂ©sil actuel
Phase transition in scalar -theory beyond the super daisy resummations
The temperature phase transition in scalar field theory with
spontaneous symmetry breaking is investigated in a partly resummed perturbative
approach. The second Legendre transform is used and the resulting gap equation
is considered in the extrema of the free energy functional. It is found that
the phase transition is of first order in the super daisy as well as in a
certain beyond super daisy resummations. No unwanted imaginary parts in the
free energy are found but a loss of the smallness of the effective expansion
parameter near the phase transition temperature is found in both cases. This
means an insufficiency of the resummations or a deficit of the perturbative
approach.Comment: 14 page
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