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文章名     作者     期刊名     摘要     卷     期         如果没有找到您所需要的文献，请点击 ——此处申请     共67条记录   Superthermal Source of Ultracold Neutrons for Fundamental Physics Experiments [作者：Zimmer, O; Piegsa, FM; Ivanov, SN,期刊：PHYSICAL REVIEW LETTERS, 页码：134801-134801 , 文章类型： Article，,卷期：2011年107-13] Ultracold neutrons (UCNs) play an important role for precise measurements of the properties of the neutron and its interactions. During the past 25 years, a neutron turbine coupled to a liquid deuterium cold neutron sour... Ferromagnetic Spin Coupling of 2p Impurities in Band Insulators Stabilized by an Intersite Coulomb Interaction: Nitrogen-Doped MgO [作者：Slipukhina, I; Mavropoulos, P; Blugel, S; Lezaic, M,期刊：PHYSICAL REVIEW LETTERS, 页码：137203-137203 , 文章类型： Article，,卷期：2011年107-13] For a nitrogen dimer in insulating MgO, a ferromagnetic coupling between spin-polarized 2p holes is revealed by calculations based on the density functional theory amended by an on-site Coulomb interaction and corroborat... Spectral Dimension as a Probe of the Ultraviolet Continuum Regime of Causal Dynamical Triangulations [作者：Sotiriou, TP; Visser, M; Weinfurtner, S,期刊：PHYSICAL REVIEW LETTERS, 页码：131303-131303 , 文章类型： Article，,卷期：2011年107-13] We explore the ultraviolet continuum regime of causal dynamical triangulations, as probed by the flow of the spectral dimension. We set up a framework in which one can find continuum theories that can in principle fully ... Optical Control of Coherent Interactions between Electron Spins in InGaAs Quantum Dots [作者：Spatzek, S; Greilich, A; Economou, SE; Varwig, S; Schwan, A; Yakovlev, DR; Reuter, D; Wieck, AD; Reinecke, TL; Bayer, M,期刊：PHYSICAL REVIEW LETTERS, 页码：137402-137402 , 文章类型： Article，,卷期：2011年107-13] Coherent interactions between spins in quantum dots are a key requirement for quantum gates. We have performed pump-probe experiments in which pulsed lasers emitting at different photon energies manipulate two distinct s... Creep and Fluidity of a Real Granular Packing near Jamming [作者：Nguyen, VB; Darnige, T; Bruand, A; Clement, E,期刊：PHYSICAL REVIEW LETTERS, 页码：138303-138303 , 文章类型： Article，,卷期：2011年107-13] We study the internal dynamical processes taking place in a granular packing below yield stress. At all packing fractions and down to vanishingly low applied shear, a logarithmic creep is observed. The experiments are an... Fractional Impurity Moments in Two-Dimensional Noncollinear Magnets [作者：Wollny, A; Fritz, L; Vojta, M,期刊：PHYSICAL REVIEW LETTERS, 页码：137204-137204 , 文章类型： Article，,卷期：2011年107-13] We study dilute magnetic impurities and vacancies in two-dimensional frustrated magnets with noncollinear order. Taking the triangular-lattice Heisenberg model as an example, we use quasiclassical methods to determine th... Nuclear Scission and Quantum Localization [作者：Younes, W; Gogny, D,期刊：PHYSICAL REVIEW LETTERS, 页码：132501-132501 , 文章类型： Article，,卷期：2011年107-13] We examine nuclear scission within a fully quantum-mechanical microscopic framework, focusing on the nonlocal aspects of the theory. Using (240)Pu hot fission as an example, we discuss the identification of the fragments... Continuous Phase Transformation in Nanocube Assemblies [作者：Zhang, YG; Lu, F; van der Lelie, D; Gang, O,期刊：PHYSICAL REVIEW LETTERS, 页码：135701-135701 , 文章类型： Article，,卷期：2011年107-13] The phase behavior of 3D assemblies of nanocubes in a ligand-rich solution upon solvent evaporation was experimentally investigated using small-angle x-ray scattering and electron microscopy. We observed a continuous tra... Unpaired Composite Fermion, Topological Exciton, and Zero Mode [作者：Sreejith, GJ; Wojs, A; Jain, JK,期刊：PHYSICAL REVIEW LETTERS, 页码：136802-136802 , 文章类型： Article，,卷期：2011年107-13] The paired state of composite fermions is expected to support two kinds of excitations: vortices and unpaired composite fermions. We construct an explicit microscopic description of the unpaired composite fermions, which... Funneling Light through a Subwavelength Aperture with Epsilon-Near-Zero Materials [作者：Adams, DC; Inampudi, S; Ribaudo, T; Slocum, D; Vangala, S; Kuhta, NA; Goodhue, WD; Podolskiy, VA; Wasserman, D,期刊：PHYSICAL REVIEW LETTERS, 页码：133901-133901 , 文章类型： Article，,卷期：2011年107-13] We present a comprehensive study of enhanced light funneling through a subwavelength aperture with realistic (lossy) epsilon-near-zero (ENZ) materials. We realize experimentally an inclusion-free ENZ material layer opera... Effective Interactions between Colloidal Particles Suspended in a Bath of Swimming Cells [作者：Angelani, L; Maggi, C; Bernardini, ML; Rizzo, A; Di Leonardo, R,期刊：PHYSICAL REVIEW LETTERS, 页码：138302-138302 , 文章类型： Article，,卷期：2011年107-13] The dynamics of passive colloidal tracers in a bath of self-propelled particles is receiving a lot of attention in the context of nonequilibrium statistical mechanics. Here we demonstrate that active baths are also capab... Dark Matter Results from 100 Live Days of XENON100 Data [作者：Aprile, E; Arisaka, K; Arneodo, F; Askin, A; Baudis, L; Behrens, A; Bokeloh, K; Brown, E; Bruch, T; Bruno, G; Cardoso, JMR; Chen, WT; Choi, B; Cline, D; Duchovni, E; Fattori, S; Ferella, AD; Gao, F; Giboni, KL; Gross, E; Kish, A; Lam, CW; Lamblin, J; Lang, RF; Levy, C; Lim, KE; Lin, Q; Lindemann, S; Lindner, M; Lopes, JAM; Lung, K; Undagoitia, TM; Mei, Y; Fernandez, AJM; Ni, K; Oberlack, U; Orrigo, SEA; Pantic, E; Persiani, R; Plante, G; Ribeiro, ACC; Santorelli, R; dos Santos, JMF; Sartorelli, G; Schumann, M; Selvi, M; Shagin, P; Simgen, H; Teymourian, A; Thers, D; Vitells, O; Wang, H; Weber, M; Weinheimer, C,期刊：PHYSICAL REVIEW LETTERS, 页码：131302-131302 , 文章类型： Article，,卷期：2011年107-13] We present results from the direct search for dark matter with the XENON100 detector, installed underground at the Laboratori Nazionali del Gran Sasso of INFN, Italy. XENON100 is a two-phase time-projection chamber with ... Investigation of the Leggett-Garg Inequality for Precessing Nuclear Spins [作者：Athalye, V; Roy, SS; Mahesh, TS,期刊：PHYSICAL REVIEW LETTERS, 页码：130402-130402 , 文章类型： Article，,卷期：2011年107-13] We report experimental implementation of a protocol for testing the Leggett-Garg inequality (LGI) for nuclear spins precessing in an external magnetic field. The implementation involves certain controlled operations, per... Full Electrical Control of the Electron Spin Relaxation in GaAs Quantum Wells [作者：Balocchi, A; Duong, QH; Renucci, P; Liu, BL; Fontaine, C; Amand, T; Lagarde, D; Marie, X,期刊：PHYSICAL REVIEW LETTERS, 页码：136604-136604 , 文章类型： Article，,卷期：2011年107-13] The electron spin dynamics in (111)-oriented GaAs/AlGaAs quantum wells is studied by time-resolved photoluminescence spectroscopy. By applying an external electric field of 50 kV/cm a two-order of magnitude increase of t... Anions of Xenon Clusters Bound by Long-Range Electron Correlations [作者：Bezchastnov, VG; Vysotskiy, VP; Cederbaum, LS,期刊：PHYSICAL REVIEW LETTERS, 页码：133401-133401 , 文章类型： Article，,卷期：2011年107-13] In contrast with the single atom, atomic van der Waals clusters can form stable anions where the excess electron is bound due to long-range correlations with the electrons of the cluster. We report on extensive all-elect... Evading the Sign Problem in Random Matrix Simulations [作者：Bloch, J,期刊：PHYSICAL REVIEW LETTERS, 页码：132002-132002 , 文章类型： Article，,卷期：2011年107-13] We show how the sign problem occurring in dynamical simulations of random matrices at a nonzero chemical potential can be avoided by judiciously combining matrices into subsets. For each subset the sum of fermionic deter...