Non-Abelian statistics versus the Witten anomaly by McGreevy, John, Swingle, Brian Gordon

“…We argue that a single Majorana zero mode of the monopole is not compatible with cancellation of the Witten SU(2) anomaly. We also compare this approach with other attempts to realize deconfined non-Abelian objects in 3+1 dimensions.…”
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Seiberg-witten equations, end-periodic dirac operators, and a lift of Rohlin's invariant by Mrowka, Tomasz S., Ruberman, Daniel, Saveliev, Nikolai

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Dopamine neurons modulate neural encoding and expression of depression-related behaviour by Tye, Kay, Mirzabekov, Julie J., Warden, Melissa R., Ferenczi, Emily A., Tsai, Hsing-Chen, Finkelstein, Joel, Kim, Sung-Yon, Adhikari, Avishek, Thompson, Kimberly R., Andalman, Aaron S., Gunaydin, Lisa A., Witten, Ilana B., Deisseroth, Karl

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Schur Times Schubert via the Fomin-Kirillov Algebra by Meszaros, Karola, Panova, Greta, Postnikov, Alexander

“…This approach works in the more general setup of the (small) quantum cohomology ring of the complex flag manifold and the corresponding (3-point) Gromov-Witten invariants. We provide an algebro-combinatorial proof of the nonnegativity of the Gromov-Witten invariants in these cases, and present combinatorial expressions for these coefficients.…”
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Unified formalism for calculating polarization, magnetization, and more in a periodic insulator by Chen, Kuang-Ting, Lee, Patrick A.

“…This observation directly leads to the result that the coefficient of the θ term in any dimensions is given by a Wess-Zumino-Witten–type term, integrated in the extended space, interpolating between the original physical Brillouin zone and a trivial system, with the group element replaced by the Green's function. …”
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Jet physics from static charges in AdS space by Stewart, Iain, Chien, Yang-Ting, Simmons-Duffin, David, Schwartz, Matthew D.

“…We also discuss the linear growth of the charges’ imaginary potential energy with separation, and a relationship between Wilson line diagrams and Witten diagrams.…”
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New monotonicity formulas for Ricci curvature and applications; I by Colding, Tobias

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Symmetry-Protected Quantum Spin Hall Phases in Two Dimensions by Liu, Zheng-Xin, Wen, Xiao-Gang

“…At an open boundary, the θ term becomes the Wess-Zumino-Witten term and consequently the boundary excitations are decoupled gapless left movers and right movers. …”
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Majorana zero-modes and topological phases of multi-flavored Jackiw-Rebbi model by Ho, Shih-Hao, Lin, Feng-Li, Wen, Xiao-Gang

“…Our results also indicate that a single normalizable Majorana zero mode can be compatible with the cancellation of SU(2) Witten anomaly.…”
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Two-dimensional symmetry-protected topological orders and their protected gapless edge excitations by Chen, Xie, Liu, Zheng-Xin, Wen, Xiao-Gang

“…The order is nontrivial because we can prove that the one-dimensional (1D) system on the boundary must be gapless if the symmetry is not broken, which generalizes the gaplessness of Wess-Zumino-Witten model for Lie symmetry groups to any discrete symmetry groups. …”
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Magnitude and Kinetics of CD8[superscript +] T Cell Activation during Hyperacute HIV Infection Impact Viral Set Point by Ndhlovu, Zaza M., Kamya, Philomena, Mewalal, Nikoshia, Kløverpris, Henrik N., Nkosi, Thandeka, Pretorius, Karyn, Laher, Faatima, Ogunshola, Funsho, Chopera, Denis, Ghebremichael, Musie, Ismail, Nasreen, Moodley, Amber, Malik, Amna, Leslie, Alasdair, Goulder, Philip J.R., Buus, Søren, Dong, Krista, Ndung’u, Thumbi, Walker, Bruce D., Chakraborty, Arup K, Shekhar, Karthik

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Classifying gauge anomalies through symmetry-protected trivial orders and classifying gravitational anomalies through topological orders by Wen, Xiao-Gang

“…We refer to other kinds of gauge anomalies beyond Adler-Bell-Jackiw anomalies as non-ABJ gauge anomalies, which include Witten SU(2) global gauge anomalies. We introduce a notion of π-cohomology group, H[-d+1 over π](BG,R/Z), for the classifying space BG, which is an Abelian group and include Tor[H[superscript d+1](G,R/Z)] and topological cohomology group H[superscript d+1](BG,R/Z) as subgroups. …”
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Symmetry-protected topological phases with charge and spin symmetries: Response theory and dynamical gauge theory in two and three dimensions by Ye, Peng, Wang, Juven

“…For the SPT examples we consider {i.e., U[subscript c](1)⋊Z[T over 2], U[subscript s](1)×Z[T over 2], U[subscript c](1)×[U[subscript s](1)⋊Z[subscript 2]]; subscripts c and s are short for charge and spin; Z[T over 2] and Z[subscript 2] are time-reversal symmetry and π rotation about S[subscript y], respectively}, many variants of Witten effect in the 3D SPT bulk and various versions of anomalous surface quantum Hall effect are defined and systematically investigated. …”
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Symmetry protected topological orders and the group cohomology of their symmetry group by Chen, Xie, Gu, Zheng-Cheng, Liu, Zheng-Xin, Wen, Xiao-Gang

“…The boundary excitations of the nontrivial SPT phases are described by lattice nonlinear σ models with a nonlocal Lagrangian term that generalizes the Wess-Zumino-Witten term for continuous nonlinear σ models. As a result, the symmetry G must be realized as a non-on-site symmetry for the low-energy boundary excitations, and those boundary states must be gapless or degenerate. …”
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