Marcus Sperling
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View article: Orthosymplectic Chern-Simons Matter Theories: Global Forms, Dualities, and Vacua
Orthosymplectic Chern-Simons Matter Theories: Global Forms, Dualities, and Vacua Open
A magnetic quiver framework is proposed for studying maximal branches of 3d orthosymplectic Chern-Simons matter theories with $\mathcal{N} \geq 3$ supersymmetry, arising from Type IIB brane setups with O3 planes. These branches are extract…
View article: Classification of minimal Abelian Coulomb branches
Classification of minimal Abelian Coulomb branches Open
Obtaining the classification of three-dimensional (3D) N=4 quivers whose Coulomb branches have an isolated singularity is an essential step in understanding moduli spaces of vacua of supersymmetric field theories with eight supercharges in…
View article: Pathway to decay and fission of orthosymplectic quiver theories
Pathway to decay and fission of orthosymplectic quiver theories Open
We present an algorithm to extract the Coulomb branch Hasse diagram of orthosymplectic three-dimensional (3D) N=4 quiver gauge theories. The algorithm systematically predicts all descendant theories arising from Coulomb branch Higgsing, th…
View article: Vacua, symmetries, and Higgsing of Chern-Simons matter theories
Vacua, symmetries, and Higgsing of Chern-Simons matter theories Open
Three-dimensional supersymmetric Chern–Simons matter (CSM) theories typically preserve \mathcal{N}=3 supersymmetry but can exhibit enhanced \mathcal{N}=4 supersymmetry under special conditions. A detailed understanding of the m…
View article: Classifying Isolated Symplectic Singularities via 3d $\mathcal{N}=4$ Coulomb Branches
Classifying Isolated Symplectic Singularities via 3d $\mathcal{N}=4$ Coulomb Branches Open
Based on the Decay and Fission Conjecture, we provide a classification of unitary quivers whose 3d $\mathcal{N}=4$ Coulomb branches exhibit isolated singularities. This yields the complete list of isolated conical symplectic singularities …
View article: A Pathway to Decay and Fission of Orthosymplectic Quiver Theories
A Pathway to Decay and Fission of Orthosymplectic Quiver Theories Open
We present an algorithm to extract the Coulomb branch Hasse diagram of orthosymplectic 3d $\mathcal{N}=4$ quiver gauge theories. The algorithm systematically predicts all descendant theories arising from Coulomb branch Higgsing, thereby de…
View article: Unraveling <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>T</mml:mi></mml:math> duality: Magnetic quivers in rank-zero little string theories
Unraveling duality: Magnetic quivers in rank-zero little string theories Open
An intriguing class of 6D supersymmetric theories are known as little strings theories, which exhibit a rich network of T-dualities. A robust feature of these theories are their Higgs branches. Focusing on the little string theories that a…
View article: Quiver Subtraction on the Higgs Branch
Quiver Subtraction on the Higgs Branch Open
This paper classifies all Higgs branch Higgsing patterns for simply-laced unitary quiver gauge theories with eight supercharges (including multiple loops) and introduces a Higgs branch subtraction algorithm. All possible minimal transition…
View article: Higgs branch RG flows via decay and fission
Higgs branch RG flows via decay and fission Open
Magnetic quivers have been an instrumental technique for advancing our understanding of Higgs branches of supersymmetric theories with eight supercharges. In this work, we present the “decay and fission” algorithm for unitary magnetic quiv…
View article: Decay and Fission of Magnetic Quivers
Decay and Fission of Magnetic Quivers Open
In exploring supersymmetric theories with eight supercharges, the Higgs branches present an intriguing window into strong coupling dynamics. Magnetic quivers serve as crucial tools for understanding these branches. Here, we introduce the a…
View article: Actions on the quiver: discrete quotients on the Coulomb branch
Actions on the quiver: discrete quotients on the Coulomb branch Open
A bstract This paper introduces two operations in quiver gauge theories. The first operation, collapse , takes a quiver with a permutation symmetry S n and gives a quiver with adjoint loops. The corresponding 3d $$ \mathcal{N} $$ = 4 Cou…
View article: Higgs branch RG-flows via Decay and Fission
Higgs branch RG-flows via Decay and Fission Open
Magnetic quivers have been an instrumental technique for advancing our understanding of Higgs branches of supersymmetric theories with 8 supercharges. In this work, we present the decay and fission algorithm for unitary magnetic quivers. I…
View article: Unraveling T duality: Magnetic quivers in rank-zero little string theories
Unraveling T duality: Magnetic quivers in rank-zero little string theories Open
An intriguing class of 6D supersymmetric theories are known as little strings theories, which exhibit a rich network of T-dualities. A robust feature of these theories are their Higgs branches. Focusing on the little string theories that a…
View article: Decay and Fission of Magnetic Quivers
Decay and Fission of Magnetic Quivers Open
In exploring supersymmetric theories with 8 supercharges, the Higgs branches present an intriguing window into strong coupling dynamics. Magnetic quivers serve as crucial tools for understanding these branches. Here, we introduce the decay…
View article: Actions on the quiver -- Discrete quotients on the Coulomb branch
Actions on the quiver -- Discrete quotients on the Coulomb branch Open
This paper introduces two operations in quiver gauge theories. The first operation takes a quiver with a permutation symmetry $S_n$ and gives a quiver with adjoint loops. The corresponding 3d $\mathcal{N}=4$ Coulomb branches are related by…
View article: A tale of N cones
A tale of N cones Open
A bstract We study particular families of bad 3d $$ \mathcal{N} $$ = 4 quiver gauge theories, whose Higgs branches consist of many cones. We show the role of a novel brane configuration in realizing the Higgs moduli for each distinct con…
View article: 3d $\mathcal{N}=4$ mirror symmetry with 1-form symmetry
3d $\mathcal{N}=4$ mirror symmetry with 1-form symmetry Open
The study of 3d mirror symmetry has greatly enhanced our understanding of various aspects of 3d \mathcal{N}=4 theories. In this paper, starting with known mirror pairs of 3d \mathcal{N}=4 quiver gauge theories and gauging discret…
View article: A Tale of N Cones
A Tale of N Cones Open
We study particular families of bad 3d $\mathcal{N}=4$ quiver gauge theories, whose Higgs branches consist of many cones. We show the role of a novel brane configuration in realizing the Higgs moduli for each distinct cone. Through brane c…
View article: Rational $Q$-systems, Higgsing and mirror symmetry
Rational $Q$-systems, Higgsing and mirror symmetry Open
The rational Q -system is an efficient method to solve Bethe ansatz equations for quantum integrable spin chains. We construct the rational Q -systems for generic Bethe ansatz equations described by an A_{\ell-1} quiver, which i…
View article: Report on 2301.02409v1
Report on 2301.02409v1 Open
The study of 3d mirror symmetry has greatly enhanced our understanding of various aspects of 3d N = 4 theories.In this paper, starting with known mirror pairs of 3d N = 4 quiver gauge theories and gauging discrete subgroups of the flavour …
View article: Report on 2301.02409v1
Report on 2301.02409v1 Open
The study of 3d mirror symmetry has greatly enhanced our understanding of various aspects of 3d N = 4 theories.In this paper, starting with known mirror pairs of 3d N = 4 quiver gauge theories and gauging discrete subgroups of the flavour …
View article: 3d $\mathcal{N}=4$ mirror symmetry with 1-form symmetry
3d $\mathcal{N}=4$ mirror symmetry with 1-form symmetry Open
The study of 3d mirror symmetry has greatly enhanced our understanding of various aspects of 3d $\mathcal{N}=4$ theories. In this paper, starting with known mirror pairs of 3d $\mathcal{N}=4$ quiver gauge theories and gauging discrete subg…
View article: Magnetic quivers and negatively charged branes
Magnetic quivers and negatively charged branes Open
A bstract The Higgs branches of the world-volume theories for multiple M5 branes on an A k or D k -type ALE space are known to host a variety of fascinating properties, such as the small E 8 instanton transition or the discrete gauging phe…
View article: Report on scipost_202208_00077v1
Report on scipost_202208_00077v1 Open
The rational Q-system is an efficient method to solve Bethe ansatz equations for quantum integrable spin chains.We construct the rational Q-systems for generic Bethe ansatz equations described by an A ℓ-1 quiver, which include models with …
View article: Rational $Q$-systems, Higgsing and Mirror Symmetry
Rational $Q$-systems, Higgsing and Mirror Symmetry Open
The rational $Q$-system is an efficient method to solve Bethe ansatz equations for quantum integrable spin chains. We construct the rational $Q$-systems for generic Bethe ansatz equations described by an $A_{\ell-1}$ quiver, which include …
View article: Magnetic quivers and negatively charged branes
Magnetic quivers and negatively charged branes Open
The Higgs branches of the world-volume theories for multiple M5 branes on an $A_k$ or $D_k$-type ALE space are known to host a variety of fascinating properties, such as the small $E_8$ instanton transition or the discrete gauging phenomen…
View article: Elliptic quantum curves of 6d SO(N) theories
Elliptic quantum curves of 6d SO(N) theories Open
A bstract We discuss supersymmetric defects in 6d $$ \mathcal{N} $$ = (1 , 0) SCFTs with SO( N c ) gauge group and N c − 8 fundamental flavors. The codimension 2 and 4 defects are engineered by coupling the 6d gauge fields to charged fre…