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CERN Document Server 12 elementer funnet  1 - 10neste  gå til element: Søket tok 0.70 sekunder. 
1.
Deconstructing the Cosmological Constant / Jejjala, Vishnu (Virginia Tech.) ; Leigh, Robert G. (CERN ; Illinois U., Urbana) ; Minic, Djordje (Virginia Tech.)
Deconstruction provides a novel way of dealing with the notoriously difficult ultraviolet problems of four-dimensional gravity. This approach also naturally leads to a new perspective on the holographic principle, tying it to the fundamental requirements of unitarity and diffeomorphism invariance, as well as to a new viewpoint on the cosmological constant problem. [...]
gr-qc/0305072; VPI-IPPAP-03-07; CERN-TH-2003-109; CERN-TH-2003-109; VPI-IPPAP-2003-07.- Geneva : CERN, 2003 - 7 p. - Published in : Gen. Relativ. Gravit. 35 (2003) 2089-2095 Access to fulltext document: PDF; Fulltext: PDF; External link: Preprint - Please contact the library if you need to access this document.
2.
The Taming of Closed Time-like Curves / Biswas, Rahul (Illinois U., Urbana) ; Keski-Vakkuri, Esko (Helsinki Inst. of Phys.) ; Leigh, Robert G. (CERN ; Illinois U., Urbana) ; Nowling, Sean (Illinois U., Urbana) ; Sharpe, Eric (Illinois U., Urbana)
We consider a $R^{1,d}/Z_2$ orbifold, where $Z_2$ acts by time and space reversal, also known as the embedding space of the elliptic de Sitter space. The background has two potentially dangerous problems: time-nonorientability and the existence of closed time-like curves. [...]
hep-th/0304241; HIP-2003-28-TH; CERN-TH-2003-097; CERN-TH-2003-097; HIP-2003-28-TH.- Geneva : CERN, 2004 - 34 p. - Published in : JHEP 01 (2004) 064 Access to fulltext document: 0304241.figgg5 - PS.GZ; 0304241.figgg3 - PS.GZ; 0304241.figg4 - PS.GZ; 0304241 - PDF; Fulltext: PDF; SISSA/IOP Published version, local copy: PDF; External link: Preprint - Please contact the library if you need to access this document.
3.
Deconstruction and Holography / Jejjala, Vishnu (Virginia Tech.) ; Leigh, Robert G. (CERN ; Illinois U., Urbana) ; Minic, Djordje (Virginia Tech.)
It was recently pointed out that the physics of a single discrete gravitational extra dimension exhibits a peculiar UV/IR connection relating the UV scale to the radius of the effective extra dimension. Here we note that this non-locality is a manifestation of holography, encoding the correct scaling of the number of fundamental degrees of freedom of the UV theory. [...]
hep-th/0302230; VPI-IPPAP-03-02; CERN-TH-2003-050; VPI-IPPAP-2003-02.- Geneva : CERN, 2003 - 11 p. - Published in : JCAP 06 (2003) 002 Access to fulltext document: PDF; Fulltext: PDF; External link: JCAP Electronic Journal Server - Please contact the library if you need to access this document.
4.
The Cosmological Constant and the Deconstruction of Gravity / Jejjala, Vishnu (Virginia Tech.) ; Leigh, Robert G. (CERN ; Illinois U., Urbana (main)) ; Minic, Djordje (Virginia Tech.)
Witten has presented an argument for the vanishing of the cosmological constant in 2+1 dimensions. This argument is crucially tied to the specific properties of (2+1)-dimensional gravity. [...]
hep-th/0212057; VPI-IPPAP-02-16; CERN-TH-2002-351; CERN-TH-2002-351; VPI-IPPAP-2002-16.- Geneva : CERN, 2003 - 16 p. - Published in : Phys. Lett. B 556 (2003) 71-79 Access to fulltext document: PDF; Fulltext: arXiv:hep-th_0212057 - PDF; S0370269303001011 - XML; External link: Preprint
5.
Unity of Supersymmetry Breaking Models / Leigh, Robert G. (Illinois U., Urbana) ; Randall, Lisa (MIT, LNS) ; Rattazzi, Riccardo (CERN)
We examine the models with gauge group U(1)~{k-1}\times\prod_{i=1}~k SU(n_i), which are obtained from decomposing the supersymmetry breaking model of Affleck, Dine and Seiberg containing an antisymmetric tensor field. We note that all of these models are distinct vacua of a single SU(N) gauge theory with an adjoint superfield. [...]
hep-ph/9704246; ILL-TH-97-1; MIT-CTP-2613; CERN-TH-97-007; CERN-TH-97-07; CERN-TH-97-7; ILL-TH-97-1; MIT-CTP-2613; CERN-TH-97-007.- Urbana-Champaign, IL : Illinois Univ. Nucl. Phys. Lab., 1997 - 42 p. - Published in : Nucl. Phys. B 501 (1997) 375-408 Access to fulltext document: PDF; Fulltext: PDF; External link: hep-ph/9704246 PDF - Please contact the library if you need to access this document.
6.
Discrete gauge anomalies in string theories / Dine, Michael ; Leigh, Robert G ; MacIntire, D A
SCIPP-93-20.
- 1993. - 9 p.
CERN library copies
7.
Baryogenesis at the electroweak phase transition : an overview of recent results / Leigh, Robert G
SCIPP-92-55.
- 1992. - 7 p.
CERN library copies
8.
The invisible majoron / Fischler, Willy ; Giudice, Gian Francesco ; Leigh, Robert G ; Paban, S ; Thomas, S
UTTG-91-19.
- 1991. - 15 p.
CERN library copies
9.
Electric dipole moment of electron / Leigh, Robert G ; Paban, S ; Xu, R M
UTTG-90-27.
- 1990. - 21 p.
CERN library copies
10.
CP-violation from three gluon operators in the supersymmetric standard model / Dai, J ; Dykstra, H M ; Leigh, Robert G ; Paban, S ; Dicus, D A
UTTG-89-46.
- 1989. - 13 p.
CERN library copies

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