Publications (48)
A falling magnetic monopole as a holographic local quench
Nicolo Zenoni, Roberto Auzzi, Stefania Caggioli +2
An analytic static monopole solution is found in global AdS, in the limit of small backreaction. This solution is mapped in Poincaré patch to a falling monopole configuration,…
Superspace formulation of the local RG equation
Roberto Auzzi, Boaz Keren-Zur
We present the superspace formulation of the local RG equation, a framework for the study of supersymmetric RG flows in which the constraints of holomorphy and R-symmetry are manif…
The sparticle spectrum in Minimal gaugino-Gauge Mediation
Roberto Auzzi, Amit Giveon
We compute the sparticle mass spectrum in the minimal four-dimensional construction that interpolates between gaugino mediation and ordinary gauge mediation.
Volume complexity for Janus geometries
Roberto Auzzi, Stefano Baiguera, Sara Bonansea +2
We investigate the complexity=volume proposal in the case of Janus AdS geometries, both at zero and finite temperature. The leading contribution coming from the Janus interface…
On volume subregion complexity in Vaidya spacetime
Roberto Auzzi, Giuseppe Nardelli, Fidel I. Schaposnik Massolo +2
We study holographic subregion volume complexity for a line segment in the AdS Vaidya geometry. On the field theory side, this gravity background corresponds to a sudden quench…
Solitonic vortices and black holes with vortex hair in AdS
Roberto Auzzi, Stefano Bolognesi, Giuseppe Nardelli +2
We study soliton and black hole solutions with scalar hair in AdS in a theory with a Maxwell field and a charged scalar field with double trace boundary conditions, which can t…
Trace anomaly for non-relativistic fermions
Roberto Auzzi, Stefano Baiguera, Giuseppe Nardelli
We study the coupling of a 2+1 dimensional non-relativistic spin 1/2 fermion to a curved Newton-Cartan geometry, using null reduction from an extra-dimensional relativistic Dirac a…
On metastable vacua in perturbed N=2 theories
Roberto Auzzi, Eliezer Rabinovici
We study supersymmetry breaking in metastable vacua on the Coulomb branch of perturbed N=2 gauge theories, with gauge group SU(2) and different matter content (N_f=0,2,4). The theo…
On the Spectrum of Direct Gaugino Mediation
Roberto Auzzi, Amit Giveon, Sven Bjarke Gudnason +1
In direct gauge mediation, the gaugino masses are anomalously small, giving rise to a split SUSY spectrum. Here we investigate the superpartner spectrum in a minimal version of "di…
Hidden Modulus in the Extended Veneziano-Yankielowicz Theory
Roberto Auzzi, Francesco Sannino
The issue of domain walls in the recently extended Veneziano-Yankielowicz theory is investigated and we show that they have an interesting substructure. We also demonstrate the pre…
On Uplifted SUSY-Breaking Vacua and Direct Mediation in Generalized SQCD
Roberto Auzzi, Shmuel Elitzur, Amit Giveon
We search for viable models of direct gauge mediation, where the SUSY-breaking sector is (generalized) SQCD, which has cosmologically favorable uplifted vacua even when the reheati…
A Light Stop with Flavor in Natural SUSY
Roberto Auzzi, Amit Giveon, Sven Bjarke Gudnason +1
The discovery of a SM-like Higgs boson near 125 GeV and the flavor texture of the Standard Model motivate the investigation of supersymmetric quiver-like BSM extensions. We study t…
On Newton-Cartan trace anomalies
Roberto Auzzi, Stefano Baiguera, Giuseppe Nardelli
We classify the trace anomaly for parity-invariant non-relativistic Schrödinger theories in 2+1 dimensions coupled to background Newton-Cartan gravity. The general anomaly structu…
Non-Abelian k-Vortex Dynamics in N=1^* theory and its Gravity Dual
Roberto Auzzi, S. Prem Kumar
We study magnetic flux tubes in the Higgs vacuum of the N=1^* mass deformation of SU(N_c), N=4 SYM and its large N_c string dual, the Polchinski-Strassler geometry. Choosing equal…
Non-Abelian Vortices at Weak and Strong Coupling in Mass Deformed ABJM Theory
Roberto Auzzi, S. Prem Kumar
We find half-BPS vortex solitons, at both weak and strong coupling, in the N=6 supersymmetric mass deformation of ABJM theory with U(N) x U(N) gauge symmetry and Chern-Simons level…
Almost Conformal Vacua and Confinement
Roberto Auzzi, Roberto Grena, Kenichi Konishi
Dynamics of confining vacua which appear as deformed superconformal theory with a non-Abelian gauge symmetry, is studied by taking a concrete example of the sextet vacua of ${\cal…
Non-universal corrections to the tension ratios in softly broken N=2 SU(N) gauge theory
Roberto Auzzi, Kenichi Konishi
Calculation by Douglas and Shenker of the tension ratios for vortices of different N-alities in the softly broken N=2 supersymmetric SU(N) Yang-Mills theory, is carried to the seco…
Superpartner spectrum of minimal gaugino-gauge mediation
Roberto Auzzi, Amit Giveon
We evaluate the sparticle mass spectrum in the minimal four-dimensional construction that interpolates between gaugino and ordinary gauge mediation at the weak scale. We find that…
On periodically driven AdS/CFT
Roberto Auzzi, Shmuel Elitzur, Sven Bjarke Gudnason +1
We use the AdS/CFT correspondence to study a thermally isolated conformal field theory in four dimensions which undergoes a repeated deformation by an external periodic time-depend…
Subsystem complexity in warped AdS
Roberto Auzzi, Stefano Baiguera, Arpita Mitra +2
We compute the ultraviolet divergences of holographic subregion complexity for the left and right factors of the thermofield double state in warped AdS black holes, both for th…
Nonabelian Monopoles
Roberto Auzzi, Stefano Bolognesi, Jarah Evslin +2
We study topological as well as dynamical properties of BPS nonabelian magnetic monopoles of Goddard-Nuyts-Olive-Weinberg type in , and SO(N) gauge theories, sp…
Probing the bubble interior with entanglement entropy and bulk-cone singularities
Roberto Auzzi, Stefano Baiguera, Lihan Guo +2
In the thin wall approximation, we study a class of asymptotically AdS black holes which contain a spherically symmetric vacuum bubble with a different (positive or negative) cosmo…
Monopoles Can be Confined by 0, 1 or 2 Vortices
Roberto Auzzi, Stefano Bolognesi, Jarah Evslin
There are three types of monopole in gauge theories with fundamental matter and N=2 supersymmetry broken by a superpotential. There are unconfined 0-monopoles and also 1 and 2-mono…
Mediation of Supersymmetry Breaking in Quivers
Roberto Auzzi, Amit Giveon, Sven Bjarke Gudnason
The soft masses due to SUSY breaking, mediated by gauge fields, are computed for generic matter in quiver gauge theories.
On the time dependence of holographic complexity for charged AdS black holes with scalar hair
Roberto Auzzi, Stefano Bolognesi, Eliezer Rabinovici +2
In the presence of a scalar hair perturbation, the Cauchy horizon of a Reissner-Nordström black hole disappears and is replaced by the rapid collapse of the Einstein-Rosen bridge,…
On Newton-Cartan local renormalization group and anomalies
Roberto Auzzi, Stefano Baiguera, Francesco Filippini +1
Weyl consistency conditions are a powerful tool to study the irreversibility properties of the renormalization group. We apply this formalism to non-relativistic theories in 2 spat…
Nonabelian Monopoles and the Vortices that Confine Them
Roberto Auzzi, Stefano Bolognesi, Jarah Evslin +1
Nonabelian magnetic monopoles of Goddard-Nuyts-Olive-Weinberg type have recently been shown to appear as the dominant infrared degrees of freedom in a class of softly broken ${\cal…
Static Interactions of non-Abelian Vortices
Roberto Auzzi, Minoru Eto, Walter Vinci
Interactions between non-BPS non-Abelian vortices are studied in non-Abelian U(1) x SU(N) extensions of the Abelian-Higgs model in four dimensions. The distinctive feature of a non…
Superconformal Vacua in N=2 Usp(4) Gauge Theories
Roberto Auzzi, Roberto Grena
We study the dynamics of a confining vacuum in N=2 USp(4) gauge theory with n_f=4. The vacuum appears to be a deformed conformal theory with nonabelian gauge symmetry. The low-ener…
The holographic non-abelian vortex
Gianni Tallarita, Roberto Auzzi, Adam Peterson
We study a fully back-reacted non-abelian vortex solution in an extension of the holographic superconductor setup. The thermodynamic properties of the vortex are computed. We show…
Volume and complexity for warped AdS black holes
Roberto Auzzi, Stefano Baiguera, Giuseppe Nardelli
We study the Complexity=Volume conjecture for Warped AdS black holes. We compute the spatial volume of the Einstein-Rosen bridge and we find that its growth rate is proportiona…
Nonrelativistic trace and diffeomorphism anomalies in particle number background
Roberto Auzzi, Stefano Baiguera, Giuseppe Nardelli
Using the heat kernel method, we compute nonrelativistic trace anomalies for Schrödinger theories in flat spacetime, with a generic background gauge field for the particle number…
On subregion action complexity in AdS and in the BTZ black hole
Roberto Auzzi, Stefano Baiguera, Andrea Legramandi +3
We analytically compute subsystem action complexity for a segment in the BTZ black hole background up to the finite term, and we find that it is equal to the sum of a linearly dive…
Nonabelian Superconductors: Vortices and Confinement in SQCD
Roberto Auzzi, Stefano Bolognesi, Jarah Evslin +2
We study nonabelian vortices (flux tubes) in SU(N) gauge theories, which are responsible for the confinement of (nonabelian) magnetic monopoles. In particular a detailed analysis i…
Field Theory Models for a Holographic Superconductor in Two Dimensions
Salvatore Santoro, Roberto Auzzi, Stefano Bolognesi
We investigate field theory models of holographic superconductors in which the condensation of the order parameter is induced by a Robin boundary condition. Assuming large- fact…
Geometry of quantum complexity
Roberto Auzzi, Stefano Baiguera, G. Bruno De Luca +3
Computational complexity is a new quantum information concept that may play an important role in holography and in understanding the physics of the black hole interior. We consider…
Quantum Phases of a Vortex String
Roberto Auzzi, S. Prem Kumar
We argue that the world-sheet dynamics of magnetic k-strings in the Higgs phase of the mass-deformed N=4 theory, is controlled by a bosonic O(3) sigma model with anisotropy and a t…
Finite scalar field theory with SU(1,1) spacetime symmetry from near-BPS limits of SYM
Roberto Auzzi, Stefano Baiguera, Lihan Guo +2
In this work, we consider an interacting and matrix-valued scalar quantum field theory that emerges from a near-BPS decoupling limit of super Yang-Mills. The theory…
Renormalization properties of a Galilean Wess-Zumino model
Roberto Auzzi, Stefano Baiguera, Giuseppe Nardelli +1
We consider a Galilean N=2 supersymmetric theory in 2+1 dimensions with F-term couplings, obtained by null reduction of a relativistic Wess-Zumino model. We compute quantum correct…
The holographic vortex lattice using the circular cell method
Gianni Tallarita, Roberto Auzzi
We investigate vortex lattice solutions in a holographic superconductor model in asymptotically spacetime which includes the gravitational backreaction of the vortex. The c…
Action complexity in the presence of defects and boundaries
Roberto Auzzi, Stefano Baiguera, Sara Bonansea +1
The holographic complexity of formation for the AdS -sided Randall-Sundrum model and the AdS/BCFT models is logarithmically divergent according to the volume conject…
Volume complexity of dS bubbles
Roberto Auzzi, Giuseppe Nardelli, Gabriel Pedde Ungureanu +1
In the framework of the static patch approach to de Sitter holography introduced in [arXiv:2109.14104], the growth of holographic complexity has a hyperfast behaviour, which leads…
Flavor of quiver-like realizations of effective supersymmetry
Roberto Auzzi, Amit Giveon, Sven Bjarke Gudnason
We present a class of supersymmetric models which address the flavor puzzle and have an inverted hierarchy of sfermions. Their construction involves quiver-like models with link fi…
On the Stability of Non-Abelian Semi-local Vortices
Roberto Auzzi, Minoru Eto, Sven Bjarke Gudnason +2
We study the stability of non-Abelian semi-local vortices based on an N=2 supersymmetric H = [SU(Nc) x U(1)]/Z_Nc = U(Nc) gauge theory with an arbitrary number of flavors (Nf > Nc)…
Type I Non-Abelian Superconductors in Supersymmetric Gauge Theories
Roberto Auzzi, Minoru Eto, Walter Vinci
Non-BPS non-Abelian vortices with CP^1 internal moduli space are studied in an N=2 supersymmetric U(1) x SU(2) gauge theory with softly breaking adjoint mass terms. For generic int…
Complexity and action for warped AdS black holes
Roberto Auzzi, Stefano Baiguera, Matteo Grassi +2
The Complexity=Action conjecture is studied for black holes in Warped AdS space, realized as solutions of Einstein gravity plus matter. The time dependence of the action of the…
Heat kernel for Newton-Cartan trace anomalies
Roberto Auzzi, Giuseppe Nardelli
We compute the leading part of the trace anomaly for a free non-relativistic scalar in 2+1 dimensions coupled to a background Newton-Cartan metric. The anomaly is proportional to 1…
Time-dependent stabilization in AdS/CFT
Roberto Auzzi, Shmuel Elitzur, Sven Bjarke Gudnason +1
We consider theories with time-dependent Hamiltonians which alternate between being bounded and unbounded from below. For appropriate frequencies dynamical stabilization can occur…