نتایج جستجو برای: wilson model
تعداد نتایج: 2118218 فیلتر نتایج به سال:
We compute at strong coupling the largeN correlation functions of supersymmetric Wilson loops in large representations of the gauge group with local operators of N = 4 super Yang-Mills. The gauge theory computation of these correlators is performed using matrix model techniques. We show that the strong coupling correlator of the Wilson loop with the stress tensor computed using the matrix model...
In gauge systems coupled to matter, the static potential flattens out at a scale where the confining string breaks by formation of a dynamical pair of particles. Surprisingly, such a breaking is invisible in Wilson loops even when the inter-charge separation is much larger than the flattening scale. Observing string breaking also requires using different operators. A known string mechanism prov...
We present the model independent analysis of Λ baryon polarizations in the Λb → Λl+l− decay. The sensitivity of the averaged Λ polarizations to the new Wilson coefficients is studied. It is observed that there exist certain regions of the new Wilson coefficients where the branching ratio coincides with the standard model prediction, while the Λ baryon polarizations deviate from the standard mod...
Models of the perception of phonologically variant speech differ in the extent to which contextual information is used predictively versus regressively. These temporal disparities reflect similar differences in the experimental literature on the perception of English place assimilation (in which for example the place of the /n/ in lean bacon takes on the bilabial place of articulation of the fo...
The detection of environmental regularity is a fundamental process in visual perception. One way of increasing our understanding of the visual system is by modelling the performance of human observers on tasks in which they are required to detect visual regularities such as bilateral symmetry. Past research has indicated that there is a perceptual advantage for symmetry information located imme...
In 2+1 dimensions, Dirac fermions in reducible, i.e. four-component representations of the spinor algebra form the basis of many interesting model field theories and effective descriptions of condensed matter phenomena. This paper explores lattice formulations which preserve the global U(2Nf ) symmetry present in the massless limit, and its breakdown to U(Nf )⊗U(Nf ) implemented by three indepe...
s, Presentations, Scientific Exhibits 1. Sahiner B, Chan HP, Chenevert T, Petrick N, Helvie MA, Sanjay-Gopal S. Computer-aidedcharacterization of malignant and benign lesions on breast MR images using texture features.Presented at the 83rd Scientific Assembly and Annual Meeting of the Radiological Society ofNorth America, Nov 30-Dec 5, 1997, Chicago, Illinois. Radiology 1997; 205(P)...
This paper argues that at least some cases of productive language use, specifically cases of apparent variation in word sense, require a treatment at the conceptual level rather than a lexical semantic solution. It is argued that the lexical semantics should be left underspecified in these cases, and the observed variation in truth-conditions should be attributed to differences in conceptual re...
We present the model independent analysis of Λ baryon polarizations in the Λb → Λl+l− decay. The sensitivity of the averaged Λ polarizations to the new Wilson coefficients is studied. It is observed that there exist certain regions of the new Wilson coefficients where the branching ratio coincides with the standard model prediction, while the Λ baryon polarizations deviate from the standard mod...
The extension of the translated–consistent Peng–Robinson (tc-PR) equation state (EoS) to mixtures has been investigated. For this purpose, advanced EoS/aresE,? mixing rules are used combine tc-PR EoS with residual part an activity coefficient model chosen among Wilson, nonrandom two-liquid (NRTL), and universal quasi-chemical (UNIQUAC) models. performances three resulting versions compared agai...
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