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Related papers: Entanglement on multiple $S^2$ boundaries in Chern…

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We study the multi-party entanglement structure of states in Chern-Simons theory created by performing the path integral on 3-manifolds with linked torus boundaries, called link complements. For gauge group $SU(2)$, the wavefunctions of…

High Energy Physics - Theory · Physics 2018-05-25 Vijay Balasubramanian , Matthew DeCross , Jackson Fliss , Arjun Kar , Robert G. Leigh , Onkar Parrikar

We consider Chern-Simons theory for gauge group $G$ at level $k$ on 3-manifolds $M_n$ with boundary consisting of $n$ topologically linked tori. The Euclidean path integral on $M_n$ defines a quantum state on the boundary, in the $n$-fold…

High Energy Physics - Theory · Physics 2017-04-18 Vijay Balasubramanian , Jackson R. Fliss , Robert G. Leigh , Onkar Parrikar

The way in which geometry encodes entanglement is a topic of much recent interest in quantum many-body physics and the AdS/CFT duality. This relation is particularly pronounced in the case of topological quantum field theories, where…

Quantum Physics · Physics 2017-06-07 Grant Salton , Brian Swingle , Michael Walter

We explore a web of connections between quantum entanglement and knot theory by examining how topological entanglement entropy probes the braiding data of quasi-particles in Chern-Simons theory, mainly using $SU(2)$ gauge group as our…

High Energy Physics - Theory · Physics 2017-10-05 H. S. Tan

We develop an approach based on edge theories to calculate the entanglement entropy and related quantities in (2+1)-dimensional topologically ordered phases. Our approach is complementary to, e.g., the existing methods using replica trick…

Mesoscale and Nanoscale Physics · Physics 2016-06-29 Xueda Wen , Shunji Matsuura , Shinsei Ryu

We study the multi-boundary entanglement structure of the states prepared in (1+1) and (2+1) dimensional Chern-Simons theory with finite discrete gauge group $G$. The states in (1+1)-$d$ are associated with Riemann surfaces of genus $g$…

High Energy Physics - Theory · Physics 2020-04-24 Siddharth Dwivedi , Andrea Addazi , Yang Zhou , Puneet Sharma

The recent developments in the study of topological multi-boundary entanglement in the context of 3d Chern-Simons theory (with gauge group $G$ and level $k$) suggest a strong interplay between entanglement measures and number theory. The…

High Energy Physics - Theory · Physics 2026-03-17 Siddharth Dwivedi

We investigate the topological entanglement entropy of quantum states arising in the context of three-dimensional Chern-Simons theory with compact gauge group $G$ and Chern-Simons level $k$. We focus on the quantum states associated with…

High Energy Physics - Theory · Physics 2026-01-05 Simran Sain , Siddharth Dwivedi

We study the topological entanglement negativity between two spatial regions in (2+1)-dimensional Chern-Simons gauge theories by using the replica trick and the surgery method. For a bipartitioned or tripartitioned spatial manifold, we show…

Strongly Correlated Electrons · Physics 2016-09-06 Xueda Wen , Po-Yao Chang , Shinsei Ryu

A tree tensor network is proposed for the entanglement distillation of large N SU(N)1 Chern-Simons theory and Riemann surfaces, adopting a proposal of Bao, et al. This is illustrated for the entanglement entropy S(A) of a bipartite…

High Energy Physics - Theory · Physics 2019-08-23 Howard J. Schnitzer

R\'enyi and entanglement entropies are constructed for 2d q-deformed topological Yang-Mills theories with gauge group $U(N)$, as well as the dual 3d Chern-Simons (CS) theory on Seifert manifolds. When $q=\exp[2\pi i/(N+K)]$, and $K$ is odd,…

High Energy Physics - Theory · Physics 2016-05-27 Howard J. Schnitzer

We study the entanglement for a state on linked torus boundaries in $3d$ Chern-Simons theory with a generic gauge group and present the asymptotic bounds of R\'enyi entropy at two different limits: (i) large Chern-Simons coupling $k$, and…

High Energy Physics - Theory · Physics 2018-03-02 Siddharth Dwivedi , Vivek Kumar Singh , Saswati Dhara , P. Ramadevi , Yang Zhou , Lata Kh Joshi

A path integral on a link complement of a three-sphere fixes a vector (the "link state") in Chern-Simons theory. The link state can be written in a certain basis with the colored link invariants as its coefficients. We use symmetric webs to…

High Energy Physics - Theory · Physics 2017-07-13 Sungbong Chun , Ning Bao

The standard, gapped entanglement boundary condition in Chern Simons theory breaks the topological invariance of the theory by introducing a complex structure on the entangling surface. This produces an infinite dimensional subregion…

High Energy Physics - Theory · Physics 2025-11-13 Gabriel Wong

The entanglement entropy of many quantum systems is difficult to compute in general. They are obtained as a limiting case of the R\'enyi entropy of index $m$, which captures the higher moments of the reduced density matrix. In this work, we…

High Energy Physics - Theory · Physics 2021-12-08 Aditya Dwivedi , Siddharth Dwivedi , Bhabani Prasad Mandal , Pichai Ramadevi , Vivek Kumar Singh

We introduce a pseudo entropy extension of topological entanglement entropy called topological pseudo entropy. Various examples of the topological pseudo entropies are examined in three-dimensional Chern-Simons gauge theory with Wilson loop…

High Energy Physics - Theory · Physics 2021-09-08 Tatsuma Nishioka , Tadashi Takayanagi , Yusuke Taki

We investigate how topological entanglement of Chern-Simons theory is captured in a string theoretic realization. Our explorations are motivated by a desire to understand how quantum entanglement of low energy open string degrees of freedom…

High Energy Physics - Theory · Physics 2020-01-08 Veronika E. Hubeny , Roji Pius , Mukund Rangamani

We compute directly the entanglement entropy of spatial regions in Chern-Simons gauge theories in 2+1 dimensions using surgery. We use these results to determine the universal topological piece of the entanglement entropy for Abelian and…

High Energy Physics - Theory · Physics 2009-12-15 Shiying Dong , Eduardo Fradkin , Robert G. Leigh , Sean Nowling

We compute various averages over bulk geometries of quantum states prepared by the Chern-Simons path integral, for any level $k$ and compact simple gauge group $G$. We do so by carefully summing over all topologically distinct bulk…

High Energy Physics - Theory · Physics 2025-07-24 Charlie Cummings

The invariant integration method for Chern-Simons theory for gauge group SU(2) and manifold \Gamma\H^3 is verified in the semiclassical approximation. The semiclassical limit for the partition function associated with a connected sum of…

High Energy Physics - Theory · Physics 2009-10-31 A. A. Bytsenko , A. E. Goncalves , W. da Cruz
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