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We study monopole operators at the infrared fixed points of $U(1)$ Chern-Simons-matter theories (QED$_3$, scalar QED$_3$, ${\cal N} =1$ SQED$_3$, and ${\cal N} = 2$ SQED$_3$) with $N$ matter flavors and Chern-Simons level $k$. We work in…

High Energy Physics - Theory · Physics 2018-07-04 Shai M. Chester , Luca V. Iliesiu , Mark Mezei , Silviu S. Pufu

Monopole operators are studied in a large family of quantum critical points between Dirac and topological quantum spin liquids (QSLs): chiral and Z$_{2}$ QSLs. These quantum phase transitions are described by conformal field theories…

Strongly Correlated Electrons · Physics 2022-10-26 Éric Dupuis , Rufus Boyack , William Witczak-Krempa

The space of local operators in three-dimensional quantum electrodynamics contains monopole operators that create $n$ units of gauge flux emanating from the insertion point. This paper uses the state-operator correspondence to calculate the…

High Energy Physics - Theory · Physics 2014-03-19 Silviu S. Pufu

The infrared dynamics of $2+1$ dimensional quantum electrodynamics (QED$_3$) with a large number $N$ of fermion flavors is governed by an interacting CFT that can be studied in the $1/N$ expansion. We use the $1/N$ expansion to calculate…

High Energy Physics - Theory · Physics 2016-08-24 Shai M. Chester , Silviu S. Pufu

We initiate the conformal bootstrap study of Quantum Electrodynamics in $2+1$ space-time dimensions (QED$_{3}$) with $N$ flavors of charged fermions by focusing on the 4-point function of four monopole operators with the lowest unit of…

High Energy Physics - Theory · Physics 2016-08-24 Shai M. Chester , Silviu S. Pufu

The scaling dimensions of charged operators in conformal field theory have recently been predicted to exhibit universal behavior in the large charge limit. We verify this behavior in the 2+1 dimensional CPN model. Specifically, we…

High Energy Physics - Theory · Physics 2018-08-13 Anton de la Fuente

Building on the recent progress in solving Chern-Simons-matter theories in the planar limit, we compute the scaling dimensions of a large class of disorder ("monopole") operators in $U(N)_k$ Chern-Simons-fermion theories at all 't Hooft…

High Energy Physics - Theory · Physics 2016-08-26 Djordje Radicevic

We study monopole operators at the infrared fixed points of Abelian and non-Abelian gauge theories with N_f fermion flavors in three dimensions. At large N_f, independent monopole operators can be defined via the state-operator…

High Energy Physics - Theory · Physics 2013-09-06 Ethan Dyer , Márk Mezei , Silviu S. Pufu

Three-dimensional quantum electrodynamics with $N$ charged fermions contains monopole operators that have been studied perturbatively at large $N$. Here, we initiate the study of these monopole operators in the $4-\epsilon$ expansion by…

High Energy Physics - Theory · Physics 2016-12-13 Shai M. Chester , Mark Mezei , Silviu S. Pufu , Itamar Yaakov

We study local operators of U(N)xU(N) N=6 Chern-Simons-matter theory including a class of magnetic monopole operators. To take into account the interaction of monopoles and basic fields for large Chern-Simons level k, we consider the…

High Energy Physics - Theory · Physics 2009-12-15 Seok Kim , Kallingalthodi Madhu

We discuss monopole operators in $U(N_c)$ Chern-Simons-matter theories in three space-time dimensions. We mention an apparent problem in the matching of such operators in dualities between non-supersymmetric theories, and suggest a possible…

High Energy Physics - Theory · Physics 2015-03-10 Ofer Aharony , Prithvi Narayan , Tarun Sharma

The anomalous dimension of spin-1/2 baryon operators in QCD is derived at leading 1/Nf order using the minimal subtraction scheme. A residual ambiguity, originating from the presence of evanescent operators in dimensional regularization, is…

High Energy Physics - Phenomenology · Physics 2018-06-27 Luca Vecchi

We present a direct Monte-Carlo determination of the scaling dimension of a topological defect operator in the infrared fixed point of a three-dimensional interacting quantum field theory. For this, we compute the free energy to introduce…

High Energy Physics - Lattice · Physics 2019-10-02 Nikhil Karthik , Rajamani Narayanan

We consider twist-1, 2 operators in planar N=6 superconformal Chern-Simons ABJM theory. We derive higher order anomalous dimensions from integrability and test various QCD-inspired predictions known to hold in N=4 SYM. In particular, we…

High Energy Physics - Theory · Physics 2011-04-14 Matteo Beccaria , Guido Macorini

Many abelian gauge theories in three dimensions flow to interacting conformal field theories in the infrared. We define a new class of local operators in these conformal field theories which are not polynomial in the fundamental fields and…

High Energy Physics - Theory · Physics 2009-11-07 Vadim Borokhov , Anton Kapustin , Xinkai Wu

Quantum spin liquids host novel emergent excitations, such as monopoles of an emergent gauge field. Here, we study the hierarchy of monopole operators that emerges at quantum critical points (QCPs) between a two-dimensional Dirac spin…

Strongly Correlated Electrons · Physics 2022-01-05 Éric Dupuis , William Witczak-Krempa

Monopole operators are topological disorder operators in 2+1 dimensional compact gauge field theories appearing notably in quantum magnets with fractionalized excitations. For example, their proliferation in a spin-1/2 kagome Heisenberg…

Strongly Correlated Electrons · Physics 2019-11-15 Éric Dupuis , M. B. Paranjape , William Witczak-Krempa

We study the fixed point that controls the IR dynamics of QED in $d = 4 - 2\epsilon$. We derive the scaling dimensions of four-fermion and bilinear operators beyond leading order in $\epsilon$-expansion. For the four-fermion operators, this…

High Energy Physics - Theory · Physics 2018-01-17 Lorenzo Di Pietro , Emmanuel Stamou

We construct monopole operators for 3d Yang-Mills-matter theories and Chern-Simons-matter theories in canonical formalism. In this framework, monopole operators, although as the disorder operators, could be written in terms of the…

High Energy Physics - Theory · Physics 2022-01-11 Shan Hu

We study monopole operators at the conformal critical point of the $\mathbb{CP}^{N_b - 1}$ theory in $2+1$ spacetime dimensions. Using the state-operator correspondence and a saddle point approximation, we compute the scaling dimensions of…

High Energy Physics - Theory · Physics 2016-04-25 Ethan Dyer , Márk Mezei , Silviu S. Pufu , Subir Sachdev
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