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Now showing items 1155-1174 of 6674
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(SISSA Library, 2002)
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(SISSA Library, 2000)We investigate further on the correspondence between branes on a Calabi-Yau in the large volume limit and in the orbifold limit. We conjecture a new procedure which improves computationally the McKay correspondence and ...
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(2006-05-25)In this thesis we discuss classical solutions and open string vacua of Open String Field Theory. After a brief introduction which contains the basic ideas and motivations for this research, we give an outline of the structure ...
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(SISSA, 2011-01)A supersymmetric quantum mechanical model is constructed for BPS states bound to surface operators in five dimensional SU(r) gauge theories using D-brane engineering. This model represents the effective action of a certain ...
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(Elsevier, 1999)Following the observation of Banks and Green that the D-instantons in AdS_5 correspond to the instantons in 4-dimensional supersymmetric Yang-Mills theory, we study in more detail this correspondence for individual instantons. ...
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(SISSA Library, 1999)
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(Elsevier, 1999)We determine the spectrum of D-string bound states in various classes of generalized type I vacuum configurations with sixteen and eight supercharges. The precise matching of the BPS spectra confirms the duality between ...
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(American Physical Society, 2005-02-23)We define a suitable quantity $Z_c$ that measures the pairing strength of two electrons added to the ground state wave function by means of the anomalous part of the one-particle Green's function. $Z_c$ discriminates ...
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(SISSA Library, 1989)
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(Elsevier, 2001)We propose CFT descriptions of the D1/D5 system in a class of freely acting Z_2 orbifolds/orientifolds of type IIB theory, with sixteen unbroken supercharges. The CFTs describing D1/D5 systems involve N=(4,4) or N=(4,0) ...
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(SISSA Library, 1995)
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(World Scientific, 2008-10)A homogenization result is given for a material having brittle inclusions arranged in a periodic structure. According to the relation between the softness parameter and the size of the microstructure, three different limit ...
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(Springer, 2000)Using N-body/hydrodynamical simulations which include prescriptions for Star Formation, Feed-Back and Chemical Evolution, we explore the interaction between baryons and Dark Matter at galactic scale. The N-body simulations ...
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(SISSA, 1986-12-4)
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(SISSA Library, 1988)
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(SISSA, 2010-07-28)In the last twenty years, cosmology has become a precision science. Since the COBE era, a wealth of data, along with advances in theoretical interpretation and numerical analysis, provided us with a convincing model of the ...
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(2007-10-23)The fact that the energy densities of dark energy and matter are similar currently, known as the coincidence problem, is one of the main unsolved problems of cosmology. We present here a model in which a spatial curvature ...
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(2008-08-25)We show that a discrete exchange symmetry can give rise to realistic dark matter candidates in models with warped extra dimensions. We show how to realize our construction in a variety of models with warped extra dimensions ...
Now showing items 1155-1174 of 6674
