Asia-Europe: the third link

The report provides a comprehensive analysis of Europe-East Asia interdependences (in terms of relative economic weights, trade and financial integration, trade and financial flows, exchange rate and wealth transfers). The prime motivation of the paper is that linkages between Europe and East Asia remain frequently underestimated. While the “third link†between them is in many respects as important as the linkages between the two regions and North America, it is too often regarded only as of secondary importance.Regional integration, Financial integration, Trade integration, East Asia, European Monetary Union, Pisani-Ferry , Cohen-Setton

Strain-Rate Frequency Superposition in Large-Amplitude Oscillatory Shear

In a recent work, Wyss, {\it et.al.} [Phys. Rev. Lett., {\bf 98}, 238303 (2007)] have noted a property of `soft solids' under oscillatory shear, the so-called strain-rate frequency superposition (SRFS). We extend this study to the case of soft solids under large-amplitude oscillatory shear (LAOS). We show results from LAOS studies in a monodisperse hydrogel suspension, an aqueous gel, and a biopolymer suspension, and show that constant strain-rate frequency sweep measurements with soft solids can be superimposed onto master curves for higher harmonic moduli, with the {\it same} shift factors as for the linear viscoelastic moduli. We show that the behavior of higher harmonic moduli at low frequencies in constant strain-rate frequency sweep measurements is similar to that at large strain amplitudes in strain-amplitude sweep tests. We show surface plots of the harmonic moduli and the energy dissipation rate per unit volume in LAOS for soft solids, and show experimentally that the energy dissipated per unit volume depends on the first harmonic loss modulus alone, in both the linear and the nonlinear viscoelastic regime.Comment: 10 pages, 25 figures, accepted for publication in Physical Review E. Incorporates referee comment

Comparison of in situ aerosol measurements with SAGE 2 and SAM 2 aerosol measurements during the airborne Antarctic ozone experiment

Models indicate that stratospheric aerosols play a major role in the destruction of ozone during the Austral winter. Although many in situ measurements of stratospheric aerosols were made during the Airborne Antarctic Ozone Experiment, changes of aerosol concentration and size distributions across the polar vortex are important to understanding changes of chemical species taking place during this time. Therefore comparing the in situ measurements with measurements made by satellites scanning wider areas will give a clearer picture of the possible role played by aerosols during this period. The wire impactor size distributions are compared to those from the aerosol spectrometers and a best fit size distribution determined. Aerosol extinctions are calculated from the in situ measurements and compared to the extinctions measured by the satellites. Five comparisons are made with SAGE 2 and four with SAM 2. Extinctions agree as close as a factor of two

Nonlinear Transport of Bose-Einstein Condensates Through Waveguides with Disorder

We study the coherent flow of a guided Bose-Einstein condensate incident over a disordered region of length L. We introduce a model of disordered potential that originates from magnetic fluctuations inherent to microfabricated guides. This model allows for analytical and numerical studies of realistic transport experiments. The repulsive interaction among the condensate atoms in the beam induces different transport regimes. Below some critical interaction (or for sufficiently small L) a stationary flow is observed. In this regime, the transmission decreases exponentially with L. For strong interaction (or large L), the system displays a transition towards a time dependent flow with an algebraic decay of the time averaged transmission.Comment: 15 pages, 9 figure

Coherent transport through graphene nanoribbons in the presence of edge disorder

We simulate electron transport through graphene nanoribbons of experimentally realizable size (length L up to 2 micrometer, width W approximately 40 nm) in the presence of scattering at rough edges. Our numerical approach is based on a modular recursive Green's function technique that features sub-linear scaling with L of the computational effort. We identify the influence of the broken A-B sublattice (or chiral) symmetry and of K-K' scattering by Fourier spectroscopy of individual scattering states. For long ribbons we find Anderson-localized scattering states with a well-defined exponential decay over 10 orders of magnitude in amplitude.Comment: 8 pages, 6 Figure

Manajemen Resiko Proyek Pembangunan Saluran Udara Tegangan Tinggi (Sutt) 150 Kv Lopana-teling

Sebagai upaya pemenuhan kebutuhan pasokan listrik di berbagai pusat beban seperti kota, kawasan industri, permukiman dan lainnya, diperlukan sarana yang mampu menyalurkan tenaga listrik. Salah satu bentuk sarana yang digunakan adalah Saluran Udara Tegangan Tinggi. Proyek pembangunan Saluran Udara Tegangan Tinggi (SUTT) 150 kV Lopana – Teling merupakan proyek pembangunan saluran transmisi dengan tegangan 150 kiloVolt yang menghubungkan antara Gardu Induk Tegangan Tinggi Lopana ke Gardu Induk. Penelitian ini akan mengidentifikasi, menganalisis dan menentukan respon resiko yang ditimbulkan akibat adanya proyek pembangunan SUTT 150 kV Lopana–Teling. Analisis kejadian dan konsekuensi dibagi menjadi 7 aspek penting, yaitu aspek teknis pengurusan proyek, aspek kecelakaan kerja tak terduga, aspek lingkungan, aspek penyesuaian dalam proyek, aspek permasalahan tenaga kerja, aspek kecelakaan kerja yang diperkirakan, aspek penggunaan material. Klasifikasi resiko berdasarkan ranking, yaitu : high risk terdiri dari aspek teknis pengurusan proyek; significant risk terdiri atas aspek kecelakaan tak terduga, aspek lingkungan, aspek penyesuaian dalam proyek; dan low risk terdiri dari aspek permasalahan tenaga kerja, aspek kecelakaan kerja yang diperkirakan, aspek penggunaan material. Respon penanganan resiko terhadap 7 aspek yang dominan adalah melakukan koordinasi awal dengan pihak pemerintah setempat dan PT. PLN Persero selaku pemrakarsa proyek, diadakan pendidikan dan pelatihan K3, serta melakukan koordinasi dengan para tenaga ahli dan tenaga terampil, dan diadakan pendidikan dan pelatihan untuk para pekerja dari luar daerah, pekerja penduduk setempat yang dilalui jaringan T/L 150 kV Lopana-Teling, mengikut sertakan para tenaga ahli dan tenaga terampil di dalam lokasi proyek, meningkatkan peralatan dan kelengkapan K3, mengikuti pendidikan dan pelatihan mengenai K3, serta mengikut sertakan warga sekitar proyek dalam proses pembangunan, dan melakukan berbagai pendekatan-pendekatan sosial kepada pemerintah setempat, tokoh masyarakat, tokoh agama yang berada di lingkungan proyek, serta memberikan sosialisasi kepada masyarakat mengenai keamanan SUTT tersebut

Direct conversion of rheological compliance measurements into storage and loss moduli

We remove the need for Laplace/inverse-Laplace transformations of experimental data, by presenting a direct and straightforward mathematical procedure for obtaining frequency-dependent storage and loss moduli ($G'(\omega)$ and $G"(\omega)$ respectively), from time-dependent experimental measurements. The procedure is applicable to ordinary rheological creep (stress-step) measurements, as well as all microrheological techniques, whether they access a Brownian mean-square displacement, or a forced compliance. Data can be substituted directly into our simple formula, thus eliminating traditional fitting and smoothing procedures that disguise relevant experimental noise.Comment: 4 page

Stress Relaxation in Entangled Polymer Melts

We present an extensive set of simulation results for the stress relaxation in equilibrium and step-strained bead-spring polymer melts. The data allow us to explore the chain dynamics and the shear relaxation modulus, $G(t)$, into the plateau regime for chains with $Z=40$ entanglements and into the terminal relaxation regime for $Z=10$. Using the known (Rouse) mobility of unentangled chains and the melt entanglement length determined via the primitive path analysis of the microscopic topological state of our systems, we have performed parameter -free tests of several different tube models. We find excellent agreement for the Likhtman-McLeish theory using the double reptation approximation for constraint release, if we remove the contribution of high-frequency modes to contour length fluctuations of the primitive chain.Comment: 5 pages, 3 figure