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CERN Document Server 6 record trovati  La ricerca ha impiegato 0.55 secondi. 
1.
Aspects of Berry phase in QFT / Baggio, Marco (Leuven U.) ; Niarchos, Vasilis (Durham U., Dept. of Math. ; Durham U., CPT) ; Papadodimas, Kyriakos (CERN ; U. Groningen, VSI)
When continuous parameters in a QFT are varied adiabatically, quantum states typically undergo mixing---a phenomenon characterized by the Berry phase. We initiate a systematic analysis of the Berry phase in QFT using standard quantum mechanics methods. [...]
arXiv:1701.05587; CERN-TH-2016-241; DCPT-16-55.- 2017-04-11 - 50 p. - Published in : JHEP 04 (2017) 062 Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF;
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2.
Large-N correlation functions in $ \mathcal{N} $ = 2 superconformal QCD / Baggio, Marco (Leuven U.) ; Niarchos, Vasilis (Durham U., Dept. of Math.) ; Papadodimas, Kyriakos (CERN ; Groningen U.) ; Vos, Gideon (Groningen U.)
We study extremal correlation functions of chiral primary operators in the large-N SU(N) ${\cal N} = 2$ superconformal QCD theory and present new results based on supersymmetric localization. We discuss extensively the basis-independent data that can be extracted from these correlators using the leading order large-N matrix model free energy given by the four-sphere partition function. [...]
arXiv:1610.07612; CERN-TH-2016-213; DCPT-16/39; CCTP-2016-15; TCP-IPP-2016/10.- 2017-01-24 - 53 p. - Published in : JHEP 01 (2017) 101 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF;
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3.
On exact correlation functions in SU(N) $ \mathcal{N}=2 $ superconformal QCD / Baggio, Marco (Zurich, ETH) ; Niarchos, Vasilis (Crete U.) ; Papadodimas, Kyriakos (CERN ; U. Groningen, VSI)
We consider the exact coupling constant dependence of extremal correlation functions of ${\cal N} = 2$ chiral primary operators in 4d ${\cal N} = 2$ superconformal gauge theories with gauge group SU(N) and N_f=2N massless fundamental hypermultiplets. The 2- and 3-point functions, viewed as functions of the exactly marginal coupling constant and theta angle, obey the tt* equations. [...]
arXiv:1508.03077; CERN-PH-TH-2015-190; CERN-PH-TH-2015-190.- Geneva : CERN, 2015-11-27 - 33 p. - Published in : JHEP 11 (2015) 198 Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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4.
tt$^{*}$ equations, localization and exact chiral rings in 4d $ \mathcal{N} $ =2 SCFTs / Baggio, Marco (Zurich, ETH) ; Niarchos, Vasilis (Crete U.) ; Papadodimas, Kyriakos (CERN)
We compute exact 2- and 3-point functions of chiral primaries in four-dimensional N=2 superconformal field theories, including all perturbative and instanton contributions. We demonstrate that these correlation functions are nontrivial and satisfy exact differential equations with respect to the coupling constants. [...]
arXiv:1409.4212; CCQCN-2014-38; CCTP-2014-15; CERN-PH-TH-2014-173; CCQCN-2014-38; CCTP-2014-15; CERN-PH-TH-2014-173.- 2015-02-18 - 45 p. - Published in : JHEP 02 (2015) 122 Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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5.
Exact correlation functions in $SU(2) \mathcal N=2$ superconformal QCD / Baggio, Marco (Zurich, ETH) ; Niarchos, Vasilis (Crete U.) ; Papadodimas, Kyriakos (CERN)
We report an exact solution of 2- and 3-point functions of chiral primary fields in SU(2) N=2 super-Yang-Mills theory coupled to four hypermultiplets. It is shown that these correlation functions are non-trivial functions of the gauge coupling, obeying differential equations which take the form of the semi-infinite Toda chain. [...]
arXiv:1409.4217; CCTP-2014-18; CCQCN-2014-42; CERN-PH-TH-2014-177; CCTP-2014-18; CCQCN-2014-42; CERN-PH-TH-2014-177.- 2014-12-15 - 5 p. - Published in : Phys. Rev. Lett. 113 (2014) 251601 Fulltext: PDF; External link: Preprint
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6.
A non-renormalization theorem for chiral primary 3-point functions / Baggio, Marco (Amsterdam U.) ; de Boer, Jan (Amsterdam U.) ; Papadodimas, Kyriakos (CERN)
In this note we prove a non-renormalization theorem for the 3-point functions of 1/2 BPS primaries in the four-dimensional N = 4 SYM and chiral primaries in two dimensional N =(4,4) SCFTs. Our proof is rather elementary: it is based on Ward identities and the structure of the short multiplets of the superconformal algebra and it does not rely on superspace techniques. [...]
arXiv:1203.1036.- 2012 - 33 p. - Published in : JHEP 07 (2012) 137 Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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