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Galileon field
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Title: A no-hair theorem for the galileon Authors: Lam Hui, Alberto Nicolis We consider a galileon field coupled to gravity. The standard no-hair theorems do not apply, because of the galileon's peculiar derivative interactions. We prove that, nonetheless, static spherically symmetric black...
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Orbitons
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Title: Spin-orbital separation in the quasi-one-dimensional Mott insulator Sr2CuO3 Authors: J. Schlappa, K. Wohlfeld, K. J. Zhou, M. Mourigal, M. W. Haverkort, V. N. Strocov, L. Hozoi, C. Monney, S. Nishimoto, S. Singh, A. Revcolevschi, J.-S. Caux, L. Patthey, H. M. Rønnow, J. van den Brink &...
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Spinons and Holons
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The theory has been around for more than 40 years, but only now has it been confirmed through direct and unambiguous experimental results. Working at the Advanced Light Source (ALS) of the U.S. Department of Energy’s Lawrence Berkeley National Laboratory, a team of researchers has observed the th...
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Spinons
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Spinons - Confined like Quarks The concept of confinement is one of the central ideas in modern physics. The most famous example is that of quarks which bind together to form protons and neutrons. Now Prof. Bella Lake from Helmholtz-Zentrum Berlin together with an international team of scientists...
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On-Shell Recursion Methods
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Title: Unitarity and On-Shell Recursion Methods for Scattering Amplitudes Authors: Kasper Risager This thesis describes some of the recent (and some less recent) developments in calculational techniques for scattering amplitudes in quantum field theory. The focus is on on-shell recursion r...
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Loop amplitudes
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Title: Loop amplitudes in gauge theories: modern analytic approaches Authors: Ruth Britto This article reviews on-shell methods for analytic computation of loop amplitudes, emphasizing techniques based on unitarity cuts. Unitarity techniques are formulated generally but have been especi...
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Sudbury Neutrino Observatory
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Sudbury Neutrino Observatory
A $10-million expansion to the Sudbury Neutrino Observatory (SNO) research facilities involving Queen's and five other Canadian universities is officially open for business.
The SNOLAB Surface Research Centre will provide a state-of-the-art wo...
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Superconductors
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Superconductors are materials that conduct electrical currents without any loss below a certain temperature. Normally, high magnetic fields destroy the superconductivity, turning the material into a normal conductor. Novel experiments on organic superconductors revealed a new supercond...
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Daemons
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Title: Daemons: Detection at Pulkovo, Gran Sasso, and Soudan Authors: E.M. Drobyshevski, M.E. Drobyshevski, S.A. Ponyaev, I.S. Guseva During a week of the March maximum in 2011, two oppositely installed direction-sensitive TEU-167d Dark Electron Multipliers (DEMs) recorded a flux of daemon...
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Sunyaev-Zel'dovich Effect
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Novel observing mode on XMM-Newton opens new perspectives on galaxy clusters Surveying the sky, XMM-Newton has discovered two massive galaxy clusters, SPT-CL J2332-5358 and SPT-CL J2342-5411, confirming a previous detection obtained through observations of the Sunyaev-Zel'dovich effect...
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Melbourne synchrotron
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[url=http://www.theaustralian.com.au/higher-education/synchrotron-saved-with-100m/story-e6frgcjx-122...
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SO(5) x U(1) gauge bosons
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Title: Collider signatures of the SO(5) x U(1) gauge-Higgs unification Authors: Yutaka Hosotani, Minoru Tanaka, Nobuhiro Uekusa Collider signatures of the SO(5) x U(1) gauge-Higgs unification model in the Randall-Sundrum warped space are explored. Gauge couplings of quarks and leptons rece...
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Piezoelectric effect
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Scavenging energy waste to turn water into hydrogen fuel Materials scientists at the University of Wisconsin-Madison have designed a way to harvest small amounts of waste energy and harness them to turn water into usable hydrogen fuel. The process is simple, efficient and recycles otherwise-wa...
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Daya Bay Reactor Neutrino Experiment
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Daya Bay Reactor Neutrino Experiment Work has begun on a new experiment in China to study the ubiquitous and ultra-inert sub-atomic particles known as neutrinos. The aim of the $32m experiment, which is a joint effort between physicists from China and the US, is to improve the measurement of one of t...
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Lee-Wick partners
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Title: Effect of the Lee-Wick partners in the evolution of the early universe Authors: Kaushik Bhattacharya, Suratna Das Recently some work has been done on Lee-Wick standard model where the authors tried to tackle the hierarchy problem by using higher derivative field theory. All those theorie...
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