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CERN Document Server Pronađeno je 11 zapisa  1 - 10slijedeći  idi na zapis: Pretraživanje je potrajalo 0.76 sekundi 
1.
Multiscalar Critical Models with Localised Cubic Interactions / Harribey, Sabine (Nordita ; Stockholm U. (main) ; Royal Inst. Tech., Stockholm) ; Pannell, William H. (King's Coll. London, Dept. Math) ; Stergiou, Andreas (King's Coll. London, Dept. Math ; CERN)
Interface localised interactions are studied for multiscalar universality classes accessible with the perturbative $\varepsilon$ expansion in $4-\varepsilon$ dimensions. The associated beta functions at one loop and partially at two loops are derived, and a wide variety of interface conformal field theories (CFTs) is found, even in cases where the bulk universality class is free or as simple as the Wilson-Fisher description of the $O(N)$ model. [...]
arXiv:2407.20326; CERN-TH-2024-122; CERN-TH-2024-122.- 2024-12-12 - 33 p. - Published in : JHEP 2412 (2024) 092 Fulltext: 2407.20326 - PDF; document - PDF;
Detaljnije
2.
General Properties of Multiscalar RG Flows in $d=4-\varepsilon$ / Rychkov, Slava (IHES, Bures-sur-Yvette ; Ecole Normale Superieure) ; Stergiou, Andreas (CERN ; Los Alamos)
Fixed points of scalar field theories with quartic interactions in $d=4-\varepsilon$ dimensions are considered in full generality. For such theories it is known that there exists a scalar function $A$ of the couplings through which the leading-order beta-function can be expressed as a gradient. [...]
arXiv:1810.10541; CERN-TH-2018-225.- 2019-01-17 - 33 p. - Published in : SciPost Phys. 6 (2019) 008 Fulltext: PDF;
Detaljnije
3.
Bootstrapping Mixed Correlators in Three-Dimensional Cubic Theories / Kousvos, Stefanos R. (Crete U.) ; Stergiou, Andreas (CERN ; Los Alamos)
Three-dimensional theories with cubic symmetry are studied using the machinery of the numerical conformal bootstrap. Crossing symmetry and unitarity are imposed on a set of mixed correlators, and various aspects of the parameter space are probed for consistency. [...]
arXiv:1810.10015; CERN-TH-2018-226.- 2019-03-21 - 14 p. - Published in : SciPost Phys. 6 (2019) 035 Fulltext: PDF;
Detaljnije
4.
Dynamics of Finite-Temperature CFTs from OPE Inversion Formulas / Petkou, Anastasios C. (Aristotle U., Thessaloniki ; CERN) ; Stergiou, Andreas (CERN)
We apply the OPE inversion formula to thermal two-point functions of bosonic and fermionic CFTs in general odd dimensions. This allows us to analyze in detail the operator spectrum of these theories. [...]
arXiv:1806.02340; CERN-TH-2018-132.- 2018-08-17 - 6 p. - Published in : Phys. Rev. Lett. 121 (2018) 071602 Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF;
Detaljnije
5.
R-current three-point functions in 4d $\mathcal{N}=1$ superconformal theories / Manenti, Andrea (Ecole Polytechnique, Lausanne) ; Stergiou, Andreas (CERN) ; Vichi, Alessandro (Ecole Polytechnique, Lausanne)
In 4d $\mathcal{N}=1$ superconformal field theories (SCFTs) the R-symmetry current, the stress-energy tensor, and the supersymmetry currents are grouped into a single object, the Ferrara-Zumino multiplet. In this work we study the most general form of three-point functions involving two Ferrara-Zumino multiplets and a third generic multiplet. [...]
arXiv:1804.09717; CERN-TH-2018-096.- 2018-12-18 - 39 p. - Published in : JHEP 12 (2018) 108 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
Detaljnije
6.
Bootstrapping hypercubic and hypertetrahedral theories in three dimensions / Stergiou, Andreas (CERN)
There are three generalizations of the Platonic solids that exist in all dimensions, namely the hypertetrahedron, the hypercube, and the hyperoctahedron, with the latter two being dual. Conformal field theories with the associated symmetry groups as global symmetries can be argued to exist in $d=3$ spacetime dimensions if the $\varepsilon=4-d$ expansion is valid when $\varepsilon\to1$. [...]
arXiv:1801.07127; CERN-TH-2018-012.- 2018-05-07 - 23 p. - Published in : JHEP 1805 (2018) 035 Article from SCOAP3: PDF; Fulltext: PDF;
Detaljnije
7.
Seeking Fixed Points in Multiple Coupling Scalar Theories in the $\varepsilon$ Expansion / Osborn, Hugh (Cambridge U., DAMTP) ; Stergiou, Andreas (CERN)
Fixed points for scalar theories in $4-\varepsilon$, $6-\varepsilon$ and $3-\varepsilon$ dimensions are discussed. It is shown how a large range of known fixed points for the four dimensional case can be obtained by using a general framework with two couplings. [...]
arXiv:1707.06165; DAMTP-2017-30; CERN-TH-2017-149.- 2018-05-08 - 61 p. - Published in : JHEP 1805 (2018) 051 Article from SCOAP3: PDF; Fulltext: arXiv:1707.06165 - PDF; 1707.06165 - PDF;
Detaljnije
8.
Bootstrapping Mixed Correlators in 4D $\mathcal{N}=1$ SCFTs / Li, Daliang (Johns Hopkins U.) ; Meltzer, David (Yale U.) ; Stergiou, Andreas (Yale U. ; CERN)
The numerical conformal bootstrap is used to study mixed correlators in $\mathcal{N}=1$ superconformal field theories (SCFTs) in $d=4$ spacetime dimensions. Systems of four-point functions involving scalar chiral and real operators are analyzed, including the case where the scalar real operator is the zero component of a global conserved current multiplet. [...]
arXiv:1702.00404; CERN-TH-2017-024.- 2017-07-07 - 32 p. - Published in : JHEP 07 (2017) 029 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
Detaljnije
9.
Field-theoretic Methods in Strongly-Coupled Models of General Gauge Mediation / Fortin, Jean-Francois (CERN ; Stanford U., ITP) ; Stergiou, Andreas (UC, San Diego)
An often-exploited feature of the operator product expansion (OPE) is that it incorporates a splitting of ultraviolet and infrared physics. In this paper we use this feature of the OPE to perform simple, approximate computations of soft masses in gauge-mediated supersymmetry breaking. [...]
arXiv:1212.2202; CERN-PH-TH-2012-334; SU-ITP-12-40; UCSD-PTH-12-19; CERN-PH-TH-2012-334; SU-ITP-12-40; UCSD-PTH-12-19.- 2013-08-01 - 26 p. - Published in : Nucl. Phys. B 873 (2013) 92-115 Fulltext: PDF; External link: Preprint
Detaljnije
10.
On Limit Cycles in Supersymmetric Theories / Fortin, Jean-Francois (CERN ; Stanford U., ITP) ; Grinstein, Benjamin (UC, San Diego) ; Murphy, Christopher W. (UC, San Diego) ; Stergiou, Andreas (UC, San Diego)
Contrary to popular belief conformality does not require zero beta functions. This follows from the work of Jack and Osborn, and examples in non-supersymmetric theories were recently found by some of us. [...]
arXiv:1210.2718; CERN-PH-TH-2012-258; SU-ITP-12-30; UCSD-PTH-12-13; CERN-PH-TH-2012-258; UCSD-PTH-12-13.- 2013-02-12 - 9 p. - Published in : Phys. Lett. B 719 (2013) 170-173 Preprint: PDF; External link: Preprint
Detaljnije

CERN Document Server : Pronađeno je 11 zapisa   1 - 10slijedeći  idi na zapis:
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