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Searching for Majorana Fermions in 2D Spin-Orbit Coupled Fermi Superfluids at Finite Temperature
(2012-09-05)
Recent experimental breakthroughs in realizing spin-orbit (SO) coupling for cold atoms have spurred considerable interest in the physics of two-dimensional SO coupled Fermi superfluids, especially topological Majorana ...
Shock Fronts, Electron-Ion Equilibration and Intracluster Medium Transport Processes in the Merging Cluster Abell 2146
(2012-02)
We present a new 400-ks Chandra X-ray observation of the merging galaxy cluster Abell 2146. This deep observation reveals detailed structure associated with the major merger event including theMach numberM =2.3±0.2 bowshock ...
Refractive Convergent Plasma Lenses Explain Extreme Scattering Events and Pulsar Scintillation
(2012-02-27)
We propose convergent plasma lenses, possibly from current sheets, as a generic solution to strong interstellar scattering. These lenses resolve the overpressure problem by geometric alignment as noted by Goldreich & ...
Regulation of Morphogenesis and Neural Differentiation of Human Mesenchymal Stem Cells Using Carbon Nanotube Sheets
(2012-04-02)
In order to successfully utilize stem cells for therapeutic applications in regenerative medicine, efficient differentiation into a specific cell lineage and guidance of axons in a desired direction is crucial. Here, we ...
Terahertz Surface Plasmon Polaritons on Freestanding Multi-Walled Carbon Nanotube Aerogel Sheets
(2012-05-08)
We demonstrate that multi-walled carbon nanotubes (MWCNTs) are capable of supporting surface plasmon-polaritons (SPPs) at terahertz (THz) frequencies. To achieve this, we fabricated sub-100 μm-thick freestanding and highly ...
Evidence for an excess of B̄ → D^(*)_τ⁻ ν̅_τ decays
(Amer Physical Soc, 2012-09-06)
Based on the full BABAR data sample, we report improved measurements of the ratios R(D^( *) = ℬ(B̄→D^( *)τ -ν {̄τ}) / ℬ(B̄→D^( *)ℓe̅ν ̅ℓ), where ℓ is either e or μ. These ratios are sensitive to new physics contributions ...
Cross Sections for the Reactions e⁺e⁻ → K⁺ K⁻ π⁺π⁻, K⁺ K⁻ π⁰π⁰, and K⁺ K⁻K⁺ K⁻ Measured Using Initial-State Radiation Events
(Amer Physical Soc, 2012-07-26)
We study the processes e⁺e⁻ → K⁺ K⁻ π⁺π⁻γ, K⁺ K⁻ π⁰π⁰γ, and K⁺ K⁻ K⁺ K⁻ γ, where the photon is radiated from the initial state. About 84000, 8000, and 4200 fully reconstructed events, respectively, are selected from ...