منابع مشابه
Na-Induced Correlations in NaxCoO2
Increasing experimental evidence is building which indicates that signatures of strong correlations are present in the Na-rich region of NaxCoO2 (i.e., x 0:7) and absent in the Na-poor region (i.e., x 0:3). This is unexpected, given that NaCoO2 is a band insulator and CoO2 has an integer-filled open shell, making it a candidate for strong correlations. We explain these experimental observations...
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We present a combined high-energy x-ray diffraction and local-density approximation study of the sodium ordering in Na(0.75)CoO2. The obtained results rule out previously proposed Na-ordering models and provide strong evidence for the formation of sodium-density stripes in this material. The local-density approximation calculations prove that the sodium-density stripes lead to a sizable dip in ...
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QCD instantons generate non-perturbative spinand flavordependent forces between quarks. We review the results of a series of studies on the role played by instanton-induced correlations in hadrons. We first present a study of instanton-mediated interactions in QCD, based on lattice simulations. Then we show that the Instanton Liquid Model can reproduce the available data on proton and pion form...
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Article history: Received 3 June 2010 Received in revised form 18 February 2011 Accepted 19 February 2011 Available online 24 February 2011 Editor: B. Sherwood Lollar
متن کاملLaser-noise-induced correlations and anti-correlations in Electromagnetically Induced Transparency
High degrees of intensity correlation between two independent lasers were observed after propagation through a rubidium vapor cell in which they generate Electromagnetically Induced Transparency (EIT). As the optical field intensities are increased, the correlation changes sign (becoming anti-correlation). The experiment was performed in a room temperature rubidium cell, using two diode lasers ...
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ژورنال
عنوان ژورنال: Physical Review Letters
سال: 2007
ISSN: 0031-9007,1079-7114
DOI: 10.1103/physrevlett.98.176405