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CERN Document Server 35 notices trouvées  1 - 10suivantfin  aller vers la notice: La recherche a duré 0.65 secondes. 
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Fractons and D-branes / Kachru, Shamit (speaker) (Stanford University)
I discuss field theories of fractons, with a focus on the role of foliated field theories and field theories with exotic symmetry in their construction. I then turn to the realization — on systems of branes in string theory — of several novel theories of this sort..
2022 - 3996. TH String Theory Seminar External link: Event details In : Fractons and D-branes
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Bianchi Attractors: A Classification of Extremal Black Brane Geometries / Iizuka, Norihiro (CERN) ; Kachru, Shamit (Stanford U., ITP ; SLAC) ; Kundu, Nilay (Tata Inst.) ; Narayan, Prithvi (Tata Inst.) ; Sircar, Nilanjan (Tata Inst.) ; Trivedi, Sandip P. (Tata Inst.)
Extremal black branes are of interest because they correspond to the ground states of field theories at finite charge density in gauge/gravity duality. The geometry of such a brane need not be translationally invariant in the spatial directions along which it extends. [...]
arXiv:1201.4861; CERN-PH-TH-2012-005; CERN-PH-TH-2012-005.- 2012 - 43 p. - Published in : JHEP 07 (2012) 193 Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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Holography of Dyonic Dilaton Black Branes / Goldstein, Kevin (Witwatersrand U.) ; Iizuka, Norihiro (CERN) ; Kachru, Shamit (Stanford U., Phys. Dept. ; SLAC) ; Prakash, Shiroman (Tata Inst.) ; Trivedi, Sandip P. (Tata Inst.) ; Westphal, Alexander (Stanford U., Phys. Dept. ; SLAC)
We study black branes carrying both electric and magnetic charges in Einstein-Maxwell theory coupled to a dilaton-axion in asymptotically anti de Sitter space. After reviewing and extending earlier results for the case of electrically charged branes, we characterise the thermodynamics of magnetically charged branes. [...]
arXiv:1007.2490; CERN-PH-TH-2010-152; SU-ITP-10-22; TIFR-TH-10-18; WITS-CTP-55; CERN-PH-TH-2010-152; SU-ITP-10-22; TIFR-TH-10-18; WITS-CTP-55.- 2010 - 56 p. - Published in : JHEP 10 (2010) 027 Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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CMBPol Mission Concept Study: Probing Inflation with CMB Polarization / Baumann, Daniel (Harvard U., Phys. Dept. ; Harvard U. ; Princeton U.) ; Jackson, Mark G. (Fermilab ; Leiden U.) ; Adshead, Peter (Yale U.) ; Amblard, Alexandre (UC, Irvine) ; Ashoorioon, Amjad (Michigan U.) ; Bartolo, Nicola (Padua U.) ; Bean, Rachel ; Beltran, Maria (Chicago U., KICP) ; de Bernardis, Francesco (Rome U.) ; Bird, Simeon (Cambridge U.) et al.
We summarize the utility of precise cosmic microwave background (CMB) polarization measurements as probes of the physics of inflation. We focus on the prospects for using CMB measurements to differentiate various inflationary mechanisms. [...]
arXiv:0811.3919; FERMILAB-PUB-08-601-A; CERN-PH-TH-2008-230.- 2009-06-17 - 107 p. - Published in : AIP Conf. Proc. 1041 (2009) 10-120 Fulltext: fermilab-pub-08-601-a - PDF; arXiv:0811.3919 - PDF; External link: Fermilab Library Server (fulltext available)
In : Workshop on CMB Polarization Theory and Foregrounds, Batavia, IL, USA, 23 - 26 Jun 2008, pp.10-120
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5.
Orientifolds, Renormalization-group Flows And Closed String Tachyons / Kachru, S ; Kumar, J ; Silverstein, E
Summary: We discuss the fate of certain tachyonic closed string theories from two perspectives. In both cases our approach involves directly studying configurations with a finite negative tree-level cosmological constant. [...]
2000 - Published in : Class. Quantum Gravity 17 (2000) 1139-1150 External link: Fulltext available through Zentralblatt MATH
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Multiplicity and pseudorapidity distribution of photons in S + Au reaction at 200 A GeV / WA93 Collaboration
1998 - Published in : Phys. Rev. C 58 (1998) 1146-1154
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A Preshower Photon Multiplicity Detector for the WA98 Experiment / Aggarwal, M M ; Agnihotri, A ; Ahammed, Z ; Baba, P V K S ; Badyal, S K ; Bhalla, K B ; Bhatia, V S ; Chattopadhyay, S ; Das, A C ; Dutta-Majumdar, M R et al.
A high granularity preshower detector has been fabricated and installed in the WA98 Experiment at the CERN SPS for measuring the spatial distribution of photons produced in the forward region in lead ion induced interactions. Photons are counted by detecting the preshower signal in plastic scintillator pads placed behind a 3 radiation length thick lead converter and applying a threshold on the scintillator signal to reject the minimum ionizing particles. [...]
hep-ex/9807026; VECC-NEX-98-02.- Geneva : CERN, 1999 - 38 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 424 (1999) 395 Access to fulltext document: PDF; External link: hep-ex/9807026 PDF
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Soft photon production in central 200 GeV/nucleon $^{32}S$ + Au collisions / WA93 Collaboration
IKP-MS-96-10-01.- Münster : Münster Univ., 1997 - 9 p. - Published in : Phys. Rev. C 56 (1997) 1160-1163 Access to fulltext document: TIF PDF;
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Nonperturbative results on the point particle limit of N=2 heterotic string compactifications / Kachru, S (Harvard Univ., Cambridge, Massachusetts, USA) ; Klemm, A D (CERN) ; Lerche, Wolfgang (CERN) ; Mayr, Peter (CERN) ; Vafa, C (Harvard Univ., Cambridge, Massachusetts, USA)
Using heterotic/type II string duality, we obtain exact nonperturbative results for the point particle limit (alpha' -> 0) of some particular four dimensional, N=2 supersymmetric compactifications of heterotic strings. This allows us to recover recent exact nonperturbative results on N=2 gauge theory directly from tree-level type II string theory, which provides a highly non-trivial, quantitative check on the proposed string duality. [...]
hep-th/9508155; CERN-TH-95-231; HUTP-95-A-032.- Geneva : CERN, 1996 - 25 p. - Published in : Nucl. Phys. B 459 (1996) 537-558 Access to fulltext document: PDF; External link: hep-th/9508155 PDF - CERN library copies
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Rapidity density distributions in $^{16}$O, $^{28}$Si, $^{32}$S, and $^{197}$Au induced high energy heavy-ion interactions / EMU01 Collaboration
1994
In : 2nd International Conference on Physics and Astrophysics of Quark-gluon Plasma, Kolkata, India, 19 - 23 Jan 1993, pp.462-465
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