18,531 research outputs found
The normality of the exception in democracy’s empire
The motif is one of inversion. In its received mode, the exception – the exceptional decision suspending the normal legal order – generates both the sovereign and the law. Here, on the contrary, the exception is found to be of the ‘normal’ law and, thus endowed, law goes to constitute the sovereign. This normality of the exception is then matched with the sovereign claim of democracy's empire. That empire is thence shown to have an oxymoronic quality, democracy and its constituent law being conducive to empire yet ultimately opposed to it. The empire of the United States of America provides a ‘case’
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Intellectual Property Topics in Open University Distance-Taught Courses
Patents lie at the heart of engineering as a permanent and ongoing record of invention. We have taught the subject for about 5 years in both UG and PG courses, written from scratch owing to the absence of textbooks aimed specifically at engineers. Most practising engineers develop patent skills on the job rather than through conventional courses. But there is a need to present such courses as early as possible in the engineering curriculum, so that graduates have a flying start in their first employment
Explorations to the seafloors of Earth and Europa
Thesis (S.M. in Science Writing)--Massachusetts Institute of Technology, Dept. of Humanities, Graduate Program in Science Writing, 2012.Cataloged from PDF version of thesis.Includes bibliographical references (p. 23-24).Hydrothermal vents on Earth's seafloor host entire ecosystems that live off energy from chemosynthesis rather than photosynthesis. This energy process uses chemical reactions between metals and hot gases from inside Earth's mantle to fuel thriving communities of exotic organisms. Some researchers think life originated at these vents and if they're right, that means there's a chance life could have also originated near similar hydrothermal vents on other planets or moons. One of the most promising places to search is the suspected sub-ice ocean on Jupiter's moon, Europa. This is the story of humankind's efforts to understand the origins of life by looking for it in extreme environments where life thrives without relying on the sun as an energy source. It follows an oceanographic expedition to the Mid-Cayman Rise, led by Chris German of the Woods Hole Oceanographic Institution and NASA's efforts to plan a future mission to Europa. By understanding how life can live without the sun, we may discover how life began on our planet and whether or not Earth is the only place in the universe capable of supporting a biosphere.by Garret R. Fitzpatrick.S.M.in Science Writin
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From Paradise to Destroyedmichygen: An Analysis of the Function of Names in We Need New Names by, NoViolet Bulawayo
NoViolet Bulawayo’s writing in We Need New Names (2013) privileges the voice of Darling, a black-female child from Zimbabwe and draws the reader into her world and story that is not told through conventional Western discourses of the media or history. Bulawayo renames historical events in Zimbabwe and the immigrant experience in order to reclaim a narrative that is often overlooked because of race, nationality, gender, and age. The names used within the novel are used to challenge the linear narratives of immigration that reproduce the false ideology of easy upward mobility and the disregard of diasporic realities in order to reclaim the historical and social narrative of the Zimbabwean immigrant/postcolonial novel. Bulawayo’s writing and naming allows Darling’s voice to emerge in a Western social sphere that mainly disregards the Zimbabwean and immigrant voice
Lessons from crossing symmetry at large N
20 pages, v2: Assumptions stated more clearly, version published in JHEPWe consider the four-point correlator of the stress tensor multiplet in N=4 SYM. We construct all solutions consistent with crossing symmetry in the limit of large central charge c ~ N^2 and large g^2 N. While we find an infinite tower of solutions, we argue most of them are suppressed by an extra scale \Delta_{gap} and are consistent with the upper bounds for the scaling dimension of unprotected operators observed in the numerical superconformal bootstrap at large central charge. These solutions organize as a double expansion in 1/c and 1/\Delta_{gap}. Our solutions are valid to leading order in 1/c and to all orders in 1/\Delta_{gap} and reproduce, in particular, instanton corrections previously found. Furthermore, we find a connection between such upper bounds and positivity constraints arising from causality in flat space. Finally, we show that certain relations derived from causality constraints for scattering in AdS follow from crossing symmetry.Peer reviewe
Capture and Decay of Electroweak WIMPonium
The spectrum of Weakly-Interacting-Massive-Particle (WIMP) dark matter
generically possesses bound states when the WIMP mass becomes sufficiently
large relative to the mass of the electroweak gauge bosons. The presence of
these bound states enhances the annihilation rate via resonances in the
Sommerfeld enhancement, but they can also be produced directly with the
emission of a low-energy photon. In this work we compute the rate for SU(2)
triplet dark matter (the wino) to bind into WIMPonium -- which is possible via
single-photon emission for wino masses above 5 TeV for relative velocity v <
O(10^{-2}) -- and study the subsequent decays of these bound states. We present
results with applications beyond the wino case, e.g. for dark matter inhabiting
a nonabelian dark sector; these include analytic capture and transition rates
for general dark sectors in the limit of vanishing force carrier mass,
efficient numerical routines for calculating positive and negative-energy
eigenstates of a Hamiltonian containing interactions with both massive and
massless force carriers, and a study of the scaling of bound state formation in
the short-range Hulthen potential. In the specific case of the wino, we find
that the rate for bound state formation is suppressed relative to direct
annihilation, and so provides only a small correction to the overall
annihilation rate. The soft photons radiated by the capture process and by
bound state transitions could permit measurement of the dark matter's quantum
numbers; for wino-like dark matter, such photons are rare, but might be
observable by a future ground-based gamma-ray telescope combining large
effective area and a low energy threshold.Comment: 3rd version. An interference sign fixed and changes propagated
through the paper. Topline qualitative conclusions unchange
System configuration and executive requirements specifications for reusable shuttle and space station/base
System configuration and executive requirements specifications for reusable shuttle and space station/bas
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