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pro vyhledávání: '"Ruggeri, Lorenzo"'
We study duality defects in 2+1d theories with $\bZ^{(0)}_N\times\bZ^{(1)}_N$ global symmetry and trivial mixed 't Hooft anomaly. By gauging these symmetries simultaneously in half of the spacetime, we define duality defects for theories that are sel
Externí odkaz:
http://arxiv.org/abs/2406.09261
Autor:
Mauch, Roman, Ruggeri, Lorenzo
In this work we conjecture the Coulomb branch partition function, including flux and instanton contributions, for the $\mathcal{N}=2$ vector multiplet on weighted projective space $\mathbb{CP}^2_{\boldsymbol{N}}$ for equivariant Donaldson-Witten and
Externí odkaz:
http://arxiv.org/abs/2404.11600
We compute the Coulomb branch partition function of the 4d $\mathcal{N}=2$ vector multiplet on closed simply-connected quasi-toric manifolds $B$. This includes a large class of theories, localising to either instantons or anti-instantons at the torus
Externí odkaz:
http://arxiv.org/abs/2305.02313
Autor:
Mauch, Roman, Ruggeri, Lorenzo
In this note we present a formula for the equivariant index of the cohomological complex obtained from localization of $\mathcal{N}=2$ SYM on simply-connected compact four-manifolds with a $T^2$-action. Knowledge of said index is essential to compute
Externí odkaz:
http://arxiv.org/abs/2112.10658
Autor:
Lundin, Jim, Ruggeri, Lorenzo
Publikováno v:
JHEP 03 (2022) 204
We introduce a generic procedure to reduce a supersymmetric Yang-Mills (SYM) theory along the Hopf fiber of squashed $S^{2r-1}$ with $U(1)^r$ isometry, down to the $\mathbb{CP}^{r-1}$ base. This amounts to fixing a Killing vector $v$ generating a $U(
Externí odkaz:
http://arxiv.org/abs/2110.13065
Autor:
Festuccia, Guido, Gorantis, Anastasios, Pittelli, Antonio, Polydorou, Konstantina, Ruggeri, Lorenzo
We construct a large class of gauge theories with extended supersymmetry on four-dimensional manifolds with a Killing vector field and isolated fixed points. We extend previous results limited to super Yang-Mills theory to general $\mathcal{N}=2$ gau
Externí odkaz:
http://arxiv.org/abs/2005.12944
Akademický článek
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Autor:
Lundin, Jim, Ruggeri, Lorenzo
Publikováno v:
Journal of High Energy Physics
We introduce a generic procedure to reduce a supersymmetric Yang-Mills (SYM) theory along the Hopf fiber of squashed $S^{2r-1}$ with $U(1)^r$ isometry, down to the $\mathbb{CP}^{r-1}$ base. This amounts to fixing a Killing vector $v$ generating a $U(
Autor:
Ruggeri, Lorenzo
Supersymmetric quantum field theories provide a framework where certain physical observables can be computed exactly. In those cases, one not only has control over perturbative contributions but also over non-perturbative contributions. In this thesi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::1da4a694db4795aec5edc19f6796a29d
http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-470938
http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-470938
Autor:
Festuccia, Guido, Gorantis, Anastasios, Pittelli, Antonio, Polydorou, Konstantina, Ruggeri, Lorenzo
Publikováno v:
Journal of High Energy Physics; Sep2020, Vol. 2020 Issue 9, p1-33, 33p