2014-10-2309:57 Development of photon beam diagnostics for VUV radiation from a SASE FEL / Treusch, R ; Lokajczyk, T ; Xu, W ; Jastrow, U ; et al [TESLA-FEL-99-07] For the proof-of-principle experiment of self-amplified spontaneous emission (SASE) at short wavelengths on the VUV FEL at DESY a multi-facetted photon beam diagnostics experiment has been developed employing new detection concepts to measure all SASE specific properties on a single pulse basis. [...] Published in Nucl. Instrum. Methods Phys. Res., A :445 2000 456-462 Fulltext: PDF; 2014-10-2309:57 Non-Abelian Flat Directions in a Minimal Superstring Standard Model / Cleaver, G B ; Faraggi, A E ; Nanopoulos, Dimitri V ; Walker, J W [ACT-2000-1] [CTP-TAMU-2000-2] [OUTP-2000-03-P] [TPI-MINN-2000-6] [hep-ph/0002060] Recently, by studying exact flat directions of non-Abelian singlet fields, wedemonstrated the existence of free fermionic heterotic-string models in whichthe SU(3)_C x SU(2)_L x U(1)_Y-charged matter spectrum, just below the stringscale, consists solely of the MSSM spectrum. [...] Published in Mod. Phys. Lett. A: 15 (2000) pp. 1191-1202 10.1142/S0217732300001444 Fulltext: PDF PS.GZ; 2014-10-2309:57 The wall of the cave / Polyakov, A M [hep-th/9809057] In this article old and new relations between gauge fields and strings are discussed. [...] Published in Int. J. Mod. Phys. A: 14 (1999) pp. 645-658 Fulltext: PDF; 2014-10-2309:57 Matrices on a point as the theory of everything / Periwal, V [PUPT-1665] [hep-th/9611103] It is shown that the world-line can be eliminated in the matrix quantum mechanics conjectured by Banks, Fischler, Shenker and Susskind to describe the light-cone physics of M theory. [...] Published in Phys. Rev. D: 55 (1997) no. 4, pp. 1711 Fulltext: PDF; 2014-10-2309:57 Quasi-normal Modes of Electromagnetic Perturbations of Four-Dimensional Topological Black Holes with Scalar Hair / Koutsoumbas, G ; Musiri, S ; Papantonopoulos, E ; Siopsis, G [UTHET-2006-05-01] [hep-th/0606096] We study the perturbative behaviour of topological black holes with scalar hair. [...] Published in J. High Energy Phys. :10 2006 006 Fulltext: PDF; 2014-10-2309:57 Non-Supersymmetric Membrane Flows from Fake Supergravity and Multi-Trace Deformations / Papadimitriou, I [DESY-06-083] [DESY-2006-083] [hep-th/0606038] We use fake supergravity as a solution generating technique to obtain a continuum of non-supersymmetric asymptotically $AdS_4\times S^7$ domain wall solutions of eleven-dimensional supergravity with non-trivial scalars in the $SL(8,\mathbb{R})/SO(8)$ coset. [...] Published in J. High Energy Phys. :02 2007 008 Fulltext: PDF; 2014-10-2309:57 Closed strings in Misner space: a toy model for a Big Bounce ? / Durin, B ; Pioline, B [hep-th/0501145] Misner space, also known as the Lorentzian orbifold $R^{1,1}/boost$, is one of the simplest examples of a cosmological singularity in string theory. [...] Fulltext: PDF; 2014-10-2309:57 Filtering Gravity: Modification at Large Distances? / Dvali, G [NYU-TH-2004-02-17] [hep-th/0402130] In this lecture I address the issue of possible large distance modification of gravity and its observational consequences. [...] Published in Phys. Scr. Top. Issues: T117 (2005) pp. 92-98 Fulltext: PDF; 2014-10-2309:57 Nonlocal action for long-distance modifications of gravity theory / Barvinsky, A O [hep-th/0304229] We construct the covariant nonlocal action for recently suggested long-distance modifications of gravity theory motivated by the cosmological constant and cosmological acceleration problems. [...] Published in Phys. Lett. B: 572 (2003) pp. 109-116 Fulltext: PDF PS.GZ; 2014-10-2309:57 Holographic Renormalization Group / Fukuma, M ; Matsuura, S ; Sakai, T [KUNS-1817] [YITP-2002-73] [TAUP-2719] [hep-th/0212314] The holographic renormalization group (RG) is reviewed in a self-contained manner. [...] Published in Prog. Theor. Phys.: 109 (2003) pp. 489-562 Fulltext: PDF PS.GZ;