Results 71 to 80 of about 1,657,122 (349)

Discrete symmetries of Dirac’s theory in the de Sitter manifold

European Physical Journal C: Particles and Fields, 2023
The discrete symmetries of Dirac’s free field on the de Sitter manifold are studied, taking into account that this has two portions that can play the role of physical space-times, namely an expanding and a collapsing universe.
Ion I. Cotăescu, Ion Cotăescu
doaj   +1 more source

Green-Schwarz automorphisms and 6D SCFTs

Journal of High Energy Physics, 2018
All known interacting 6D superconformal field theories (SCFTs) have a tensor branch which includes anti-chiral two-forms and a corresponding lattice of string charges.
Fabio Apruzzi, Jonathan J. Heckman, Tom Rudelius   +2 more
doaj   +1 more source

Tests of discrete symmetries [PDF]

Journal of Physics G: Nuclear and Particle Physics, 2019
This article provides a coarse-grained review on the experimental tests of fundamental discrete symmetries, focusing on those which appear to be deeply ingrained in nature, or at least rooted into the description of it which we are currently capable of providing, namely those related to space-time inversions and particle/anti-particle exchange. A broad
openaire   +3 more sources

Discrete Gauge Symmetries in Axionic Extensions of the SSM

, 1992
We examine discrete gauge symmetries in axionic extensions of the SSM which provide a solution of the $\mu$-problem. Automatic-PQ symmetry and proton stability are shown to be guaranteed by certain discrete symmetries.
A. Lukas, Anselman, Banks, Banks, Barr, Bludman, Chun, Cline, Dine, E.J. Chun, Gell-Mann, Goto, Guzzo, Holman, Ibáñez, Ibáñez, Kamionkowski, Kapetanakis, Kim, Kim, Kim, Kim, Kolb, Krauss, Langacker, Mikheyev, Moxhay, Preskill, Roulet, Shifman, Wolfenstein, Yanagida, Zhitnitskii   +32 more
core   +1 more source

Type II Duality Symmetries in Six Dimensions [PDF]

, 1995
We discuss the different discrete duality symmetries in six dimensions that act within and between (i) the 10-dimensional heterotic string compactified on $T^4$, (ii) the 10-dimensional Type IIA string compactified on $K3$ and (iii) the 10-dimensional ...
Aspinwall, Behrndt, Behrndt, Bergshoeff, Bergshoeff, Bergshoeff, Bergshoeff, Bert Janssen, Buscher, Castellani, Castellani, Dai, Dine, Duff, E. Bergshoeff, Horowitz, Horowitz, Hull, Hull, Kallosh, Klaus Behrndt, Maharana, Marcus, Romans, Scherk, Townsend, Witten, Witten   +27 more
core   +3 more sources

Discrete symmetries and the Lieb-Schultz-Mattis theorem [PDF]

, 2016
In this study, we consider one-dimension (1D) quantum spin systems with the translation and discrete symmetries (spin reversal, space inversion and time reversal symmetries).
Takaichi Isoyama, K. Nomura
semanticscholar   +1 more source

Hamilton Operators, Discrete Symmetries, Brute Force and SymbolicC++ [PDF]

, 2012
To find the discrete symmetries of a Hamilton operator $\hat H$ is of central importance in quantum theory. Here we describe and implement a brute force method to determine the discrete symmetries given by permutation matrices for Hamilton operators ...
Hardy, Yorick, Steeb, Willi-Hans
core   +3 more sources

Zero-form and one-form symmetries of the ABJ and related theories

Journal of High Energy Physics, 2022
The zero-form and one-form global symmetries of the Aharony-Bergman-Jafferis (ABJ) and related theories, with at least N $$ \mathcal{N} $$ = 6 supersymmetry in three dimensions, are examined in detail.
Emanuele Maduli, Noppadol Mekareeya, Matteo Sacchi   +2 more
doaj   +1 more source

More About Discrete Gauge Anomalies

, 1992
I discuss and extend several results concerning the cancellation of discrete gauge anomalies. I show how heavy fermions do not decouple in the presence of discrete gauge anomalies.
Alford, Alford, Atick, Banks, Banks, Banks, Banks, Choi, Chun, Chung, D'Hooker, Dine, Dine, Dixon, Eguchi, Font, Glashow, Green, Ibáñez, Ibáñez, Ibáñez, Ibáñez, Kapetanakis, Krauss, Krauss, Krauss, Lazarides, Lerche, Luis E. Ibáñez, Preskill, Preskill, Preskill, Rey, van Nieuwenhuizen, White, Witten   +35 more
core   +2 more sources

Note on Discrete Gauge Anomalies

, 1991
We consider the probem of gauging discrete symmetries. All valid constraints on such symmetries can be understood in the low energy theory in terms of instantons.
E. Witten, F. Wegner, G. 't Hooft, G. 't Hooft, G. V. Lavrelashvili, J. Preskill, L. E. Ibanez, L. M. Krauss, M. B. Green, Michael Dine, S. Coleman, S. Giddings, S. Hawking, S. Weinberg, Tom Banks   +14 more
core   +2 more sources