Academic literature on the topic 'Nielsen Ninomiya'

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Journal articles on the topic "Nielsen Ninomiya"

1

Dagotto, E., E. Fradkin, and A. Moreo. "A comment on the Nielsen-Ninomiya theorem." Physics Letters B 172, no. 3-4 (1986): 383–86. http://dx.doi.org/10.1016/0370-2693(86)90274-1.

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2

Preparata, Giuliano, and She-Sheng Xue. "Getting around the Nielsen-Ninomiya theorem, towards the Rome approach." Physics Letters B 395, no. 3-4 (1997): 257–63. http://dx.doi.org/10.1016/s0370-2693(97)00125-1.

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3

DASS, N. D. HARI. "REGULARISATION OF CHIRAL GAUGE THEORIES." International Journal of Modern Physics B 14, no. 19n20 (2000): 1989–2010. http://dx.doi.org/10.1142/s0217979200001138.

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This article gives a review of the topic of regularising chiral gauge theories and is aimed at a general audience. It begins by clarifying the meaning of chirality and goes on to discussing chiral projections in field theory, parity violation and the distinction between vector and chiral field theories. It then discusses the standard model of electroweak interactions from the perspective of chirality. It also reviews at length the phenomenon of anomalies in quantum field theories including the intuitive understanding of anomalies based on the Dirac sea picture as given by Nielsen and Ninomiya.
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4

Tang, Wai-keung. "Hamiltonian quantization of self-dual tensor fields and a bosonic Nielsen-Ninomiya theorem." Physics Letters B 225, no. 3 (1989): 256–66. http://dx.doi.org/10.1016/0370-2693(89)90815-0.

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5

Chernodub, M. N. "The Nielsen–Ninomiya theorem, $ \renewcommand{\P}{{{\mathcal P}}} \newcommand{\PT}{{\mathcal {PT}}} \PT$ -invariant non-Hermiticity and single 8-shaped Dirac cone." Journal of Physics A: Mathematical and Theoretical 50, no. 38 (2017): 385001. http://dx.doi.org/10.1088/1751-8121/aa809a.

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6

Zenkin, S. V. "Extension of the Nielsen-Ninomiya theorem." Physical Review D 58, no. 5 (1998). http://dx.doi.org/10.1103/physrevd.58.057505.

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7

Ma, J. Z., Q. S. Wu, M. Song, et al. "Observation of a singular Weyl point surrounded by charged nodal walls in PtGa." Nature Communications 12, no. 1 (2021). http://dx.doi.org/10.1038/s41467-021-24289-0.

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AbstractConstrained by the Nielsen-Ninomiya no-go theorem, in all so-far experimentally determined Weyl semimetals (WSMs) the Weyl points (WPs) always appear in pairs in the momentum space with no exception. As a consequence, Fermi arcs occur on surfaces which connect the projections of the WPs with opposite chiral charges. However, this situation can be circumvented in the case of unpaired WP, without relevant surface Fermi arc connecting its surface projection, appearing singularly, while its Berry curvature field is absorbed by nontrivial charged nodal walls. Here, combining angle-resolved
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8

Bessho, Takumi, and Masatoshi Sato. "Nielsen-Ninomiya Theorem with Bulk Topology: Duality in Floquet and Non-Hermitian Systems." Physical Review Letters 127, no. 19 (2021). http://dx.doi.org/10.1103/physrevlett.127.196404.

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9

Guo, Xingyu, Chen-Te Ma, and Hui Zhang. "Non-Hermitian lattice fermions in the 2D Gross-Neveu-Yukawa model." Physical Review D 110, no. 3 (2024). http://dx.doi.org/10.1103/physrevd.110.034502.

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We work the lattice fermions and non-Hermitian formulation in the 2D Gross-Neveu-Yukawa (GNY) model and demonstrate the numerical implementation for two flavors by the hybrid Monte Carlo. Our approach has a notable advantage in dealing with chiral symmetry on a lattice by avoiding the Nielsen-Ninomiya theorem, due to the nonsymmetrized finite-difference operator. We restore the hypercubic symmetry by averaging over all possible orientations with the proper continuum limit. Our study is the first simulation for the interacting fermion formulated in a non-Hermitian way. We compare the numerical
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10

Gao, Zihe, Haoqi Zhao, Tianwei Wu, et al. "Topological quadratic-node semimetal in a photonic microring lattice." Nature Communications 14, no. 1 (2023). http://dx.doi.org/10.1038/s41467-023-38861-3.

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AbstractGraphene, with its two linearly dispersing Dirac points with opposite windings, is the minimal topological nodal configuration in the hexagonal Brillouin zone. Topological semimetals with higher-order nodes beyond the Dirac points have recently attracted considerable interest due to their rich chiral physics and their potential for the design of next-generation integrated devices. Here we report the experimental realization of the topological semimetal with quadratic nodes in a photonic microring lattice. Our structure hosts a robust second-order node at the center of the Brillouin zon
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