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26 papers · 1 filter
Anomaly Constraints on Gapped Phases with Discrete Chiral Symmetry
Clay Cordova, Kantaro Ohmori
We prove that in quantum field theories with symmetry, certain anomalies forbid a symmetry-preserving vacuum state with a gapped spectrum. In particular, th…
Exploring the Membrane Theory of Entanglement Dynamics
Márk Mezei, Julio Virrueta
Recently an effective membrane theory valid in a "hydrodynamic limit" was proposed to describe entanglement dynamics of chaotic systems based on results in random quantum circuits…
Line Operators of Gauge Theories on Non-Spin Manifolds
J. P. Ang, Konstantinos Roumpedakis, Sahand Seifnashri
We study four-dimensional gauge theories on oriented and non-spin spacetime manifolds. On such manifolds, each line operator arises only either as a boson or a fermion. Based on ph…
Decorated Symmetry Defects and Their Time-Reversal Anomalies
Clay Cordova, Kantaro Ohmori, Shu-Heng Shao +1
We discuss an isomorphism between the possible anomalies of -dimensional quantum field theories with unitary global symmetry, and those of -dimensional q…
Bit Threads and the Membrane Theory of Entanglement Dynamics
Cesar A. Agón, Márk Mezei
Recently, an effective {\it membrane theory} was proposed that describes the ``hydrodynamic'' regime of the entanglement dynamics for general chaotic systems. Motivated by the new…
Differential operators for superconformal correlation functions
Andrea Manenti
We present a systematic method to expand in components four dimensional superconformal multiplets. The results cover all possible multiplets and some cases of int…