6,636 research outputs found

    Soo Hyon Kim Assistant Profess of English (COLA) travels to New Zealand

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    In November 2015, I traveled to Auckland, New Zealand to present a paper at the 14th Symposium on Second Language Writing. The annual symposium, since its inception in 1998, has been devoted to moving forward the field of second language writing and encouraging interdisciplinary collaboration among scholars situated in fields such as applied linguistics, composition and rhetoric, education, and foreign language studies

    Deeply Virtual Compton Scattering and Meson Production at JLab/CLAS

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    This report reviews the recent experimental results from the CLAS collaboration (Hall B of Jefferson Lab, or JLab) on Deeply Virtual Compton Scattering (DVCS) and Deeply Virtual Meson Production (DVMP) and discusses their interpretation in the framework of Generalized Parton Distributions (GPDs). The impact of the experimental data on the applicability of the GPD mechanism to these exclusive reactions is discussed. Initial results obtained from JLab 6 GeV data indicate that DVCS might already be interpretable in this framework while GPD models fail to describe the exclusive meson production (DVMP) data with the GPD parameterizations presently used. An exception is the ϕ\phi meson production for which the GPD mechanism appears to apply. The recent global analyses aiming to extract GPDs from fitting DVCS CLAS and world data are discussed. The GPD experimental program at CLAS12, planned with the upcoming 12 GeV upgrade of JLab, is briefly presented.Comment: Proceedings for the 19th Particles and Nuclei International Conference (PANIC 2011, Massachusetts Institute of Technology, Cambridge, MA, USA, 24-29 July 2011

    Slow light in dielectric composite materials of metal nanoparticles

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    We propose a method for slowing down light pulses by using composites doped with metal nanoparticles. The underlying mechanism is related to the saturable absorption near the plasmon resonance in a pump-probe regime, leading to strong dispersion of the probe refractive index and significantly reduced group velocities. By using the non-collinear scheme, it is possible to realize the total fractional delay of 43 or larger values. This scheme promises simple and compact slow-light on-chip devices with tunable delay and THz bandwidth

    The Yard and Korean Shakespeare

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    Since the New Globe Theatre opened in 1996, they have used the yard as an acting area or entrances. Even though the authenticity of using the yard is disputable, nobody denies that the yard must be a very effective tool for performing Shakespeare at the Globe Theatre. The yard is an essential part of traditional Korean theatre, called “talchum (mask dance)” or “talnori (mask play).” The yard is its stage as well as the auditorium. Therefore, the players are surrounded by the audience, and the players can, and often do interact with the audience, speaking to the audience, or treating them as players, or acting as if they were some of the audience. The theatrical style of using the yard has much influenced the modern theatre of Korea. And many Korean directors including Oh Tae-suk, Yang Jung-ung, Sohn Jin-chaek, Park Sung-hwan, and myself, have applied the yard techniques to their Shakespearean productions. Korean Shakespearean productions, which use the yard actively, can be more evidence that the yard must be an effective tool for Shakespeare, not only at the Globe Theatre but also at any kind of theatres of today. No one knows whether Shakespeare actually used the yard or not. But the fact that many Shakespearean productions have used the yard successfully, implies that Shakespeare's texts themselves have enough room for the yard

    Selective growth of perovskite oxides on SrTiO3 (001) by control of surface reconstructions

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    We report surface reconstruction (RC)-dependent growths of SrTiO3 and SrVO3 on a SrTiO3 (001) surface with two different coexisting surface RCs, namely (2x1) and c(6x2). Up to the coverage of several layers, epitaxial growth was forbidden on the c(6x2) RC under the growth conditions that permitted layer-by-layer epitaxial growth on the (2x1) RC. Scanning tunneling microscopy examination of the lattice structure of the c(6x2) RC revealed that this RC-selective growth mainly originated from the significant structural/stoichiometric dissimilarity between the c(6x2) RC and the cubic perovskite films. As a result, the formation of SrTiO3 islands was forbidden from the nucleation stage
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