497 research outputs found

    The State of the Parties (Sixth Edition)

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    Every four years, The State of the Parties brings readers up to date on party action in election years and in between. With the dual themes of continuity and change characterizing the new edition, this essential party primer includes: three new chapters on party roles in the 2008 election, a section on the impact of party resources for the campaign, extensive coverage of party mobilization efforts via the Internet and local activity, and new chapters covering topics ranging from Republicans\u27 fall from grace to party governance under Nancy Pelosi to President Obama\u27s role in party politics.https://ideaexchange.uakron.edu/state_of_the_parties6/1000/thumbnail.jp

    The State of the Parties (Seventh Edition)

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    Continuing a three-decade tradition, The State of the Parties 7th edition brings together leading experts to evaluate change and continuity in American electoral politics. Political parties in America have never been more contentious and divided than they are right now. Even splits within the parties themselves have the power to elevate relatively unknown candidates to power and topple established incumbents. With sections devoted to polarization and the electorate, polarization and political elites, tea party politics, super PACS, and partisan resources and partisan activities, the contributors survey the American political landscape. They pay special attention to polarization between and within the parties in the aftermath of the 2012 election, demographic changes to America\u27s political parties, the effects of new media and campaign finance laws on national and local electoral results, the Tea Party\u27s rise and, as always, the implications of all these factors on future policymaking and electoral prospects. The State of the Parties 7th edition offers an indispensable guide to American politics for scholars, students, and practitioners.https://ideaexchange.uakron.edu/state_of_the_parties7/1000/thumbnail.jp

    The State of the Parties 2018 (Eight Edition)

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    The State of the Parties 2018 brings together leading scholars of parties, elections, and interest groups to provide an indispensable overview of American political parties today. The 2016 presidential election was extraordinary, especially the unexpected nomination and election of Donald Trump to the White House. What role did political parties play in these events? How did the party organizations fare? What are the implications for the future? Scholars and practitioners from throughout the United States explore the current state of American party organizations, constituencies and resources at the national, state and local level.https://ideaexchange.uakron.edu/state_of_the_parties8/1000/thumbnail.jp

    Buckeye Battleground

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    Buckeye Battleground is the result of a decade’s worth of research at the Bliss Institute on elections in Ohio, with special emphasis on the 2004 and 2008 presidential campaigns, and the 2006 gubernatorial campaign. This book seeks to explain why Ohio is, and has been, at the center of American elections. Using historical analysis, demographic data, and public opinion surveys, the authors demonstrate Ohio’s role as the quintessential “battleground” state in American elections. This title is unique in its approach and coverage.https://ideaexchange.uakron.edu/buckeye_battleground/1000/thumbnail.jp

    Buckeye Battleground: Ohio, Campaigns, and Elections in the Twenty-First Century

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    Buckeye Battleground is the result of a decade\u27s worth of research at the Bliss Institute on elections in Ohio, with special emphasis on the 2004 and 2008 presidential campaigns, and the 2006 gubernatorial campaign. This book seeks to explain why Ohio is, and has been, at the center of American elections. Using historical analysis, demographic data, and public opinion surveys, the authors demonstrate Ohio\u27s role as the quintessential battleground state in American elections. This title is unique in its approach and coverage.https://ideaexchange.uakron.edu/uapress_publications/1151/thumbnail.jp

    Properties and Detection of Spin Nematic Order in Strongly Correlated Electron Systems

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    A spin nematic is a state which breaks spin SU(2) symmetry while preserving translational and time reversal symmetries. Spin nematic order can arise naturally from charge fluctuations of a spin stripe state. Focusing on the possible existence of such a state in strongly correlated electron systems, we build a nematic wave function starting from a t-J type model. The nematic is a spin-two operator, and therefore does not couple directly to neutrons. However, we show that neutron scattering and Knight shift experiments can detect the spin anisotropy of electrons moving in a nematic background. We find the mean field phase diagram for the nematic taking into account spin-orbit effects.Comment: 13 pages, 11 figures. (v2) References adde

    Specific Heat of the 2D Hubbard Model

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    Quantum Monte Carlo results for the specific heat c of the two dimensional Hubbard model are presented. At half-filling it was observed that cT2c \sim T^2 at very low temperatures. Two distinct features were also identified: a low temperature peak related to the spin degrees of freedom and a higher temperature broad peak related to the charge degrees of freedom. Away from half-filling the spin induced feature slowly disappears as a function of hole doping while the charge feature moves to lower temperature. A comparison with experimental results for the high temperature cuprates is discussed.Comment: 6 pages, RevTex, 11 figures embedded in the text, Submitted to Phys. Rev.

    The ac magnetic response of mesoscopic type II superconductors

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    The response of mesoscopic superconductors to an ac magnetic field is numerically investigated on the basis of the time-dependent Ginzburg-Landau equations (TDGL). We study the dependence with frequency ω\omega and dc magnetic field HdcH_{dc} of the linear ac susceptibility χ(Hdc,ω)\chi(H_{dc}, \omega) in square samples with dimensions of the order of the London penetration depth. At Hdc=0H_{dc}=0 the behavior of χ\chi as a function of ω\omega agrees very well with the two fluid model, and the imaginary part of the ac susceptibility, χ"(ω)\chi"(\omega), shows a dissipative a maximum at the frequency νo=c2/(4πσλ2)\nu_o=c^2/(4\pi \sigma\lambda^2). In the presence of a magnetic field a second dissipation maximum appears at a frequency ωpν0\omega_p\ll\nu_0. The most interesting behavior of mesoscopic superconductors can be observed in the χ(Hdc)\chi(H_{dc}) curves obtained at a fixed frequency. At a fixed number of vortices, χ"(Hdc)\chi"(H_{dc}) continuously increases with increasing HdcH_{dc}. We observe that the dissipation reaches a maximum for magnetic fields right below the vortex penetration fields. Then, after each vortex penetration event, there is a sudden suppression of the ac losses, showing discontinuities in χ"(Hdc)\chi"(H_{dc}) at several values of HdcH_{dc}. We show that these discontinuities are typical of the mesoscopic scale and disappear in macroscopic samples, which have a continuos behavior of χ(Hdc)\chi(H_{dc}). We argue that these discontinuities in χ(Hdc)\chi(H_{dc}) are due to the effect of {\it nascent vortices} which cause a large variation of the amplitude of the order parameter near the surface before the entrance of vortices.Comment: 12 pages, 9 figures, RevTex
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