Results 61 to 70 of about 1,931 (186)

On space-time supersymmetry and string duality in nine dimensions [PDF]

open access: yesNuclear Physics B - Proceedings Supplements, 2000
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Abou-Zeid, M., Nicolai, H.
openaire   +3 more sources

Supersymmetry and String Theory [PDF]

open access: yes, 2016
This text is an introduction to the fields of experimental and theoretical particle physics and cosmology. The book focuses on three principal areas: supersymmetry, string theory, and astrophysics and cosmology.
Dine, Michael
core   +1 more source

Modular forms and SL(2, ℤ)-covariance of type IIB superstring theory

open access: yesJournal of High Energy Physics, 2019
The local higher-derivative interactions that enter into the low-energy expansion of the effective action of type IIB superstring theory with constant complex modulus generally violate the U(1) R-symmetry of IIB supergravity by q U units.
Michael B. Green, Congkao Wen
doaj   +1 more source

Transcendentality violation in type IIB string amplitudes

open access: yesJournal of High Energy Physics, 2020
We analyze transcendentality for certain terms that arise in multiloop amplitudes in the low momentum expansion of the four graviton amplitude in type IIB string theory in ten dimensions, based on the constraints of supersymmetry and S-duality.
Anirban Basu
doaj   +1 more source

Foundations of Ghost Stability

open access: yesFortschritte der Physik, Volume 73, Issue 4, April 2025.
Abstract The authors present a new method to analytically prove global stability in ghost‐ridden dynamical systems. The proposal encompasses all prior results and consequentially extends them. In particular, it is shown that stability can follow from a conserved quantity that is unbounded from below, contrary to expectation.
Verónica Errasti Díez   +2 more
wiley   +1 more source

Hyperelliptic families and 4d N = 2 $$ \mathcal{N}=2 $$ SCFT

open access: yesJournal of High Energy Physics
We classify four dimensional N = 2 $$ \mathcal{N}=2 $$ SCFTs whose Seiberg-Witten (SW) geometries can be written as hyperelliptic families. By using special Kähler condition of SW geometry, we reduce the problem to one parameter quasi-homogeneous ...
Dan Xie, Zekai Yu
doaj   +1 more source

Intersecting surface defects and 3d superconformal indices

open access: yesJournal of High Energy Physics, 2021
We compute the 3d N $$ \mathcal{N} $$ = 2 superconformal indices for 3d/1d coupled systems, which arise as the worldvolume theories of intersecting surface defects engineered by Higgsing 5d N $$ \mathcal{N} $$ = 1 gauge theories. We generalize some known
Junfeng Liu, Yiwen Pan, Hong-Hao Zhang
doaj   +1 more source

Double Copy From Tensor Products of Metric BV■‐Algebras

open access: yesFortschritte der Physik, Volume 73, Issue 1-2, February 2025.
Abstract Field theories with kinematic Lie algebras, such as field theories featuring color–kinematics duality, possess an underlying algebraic structure known as BV■‐algebra. If, additionally, matter fields are present, this structure is supplemented by a module for the BV■‐algebra.
Leron Borsten   +5 more
wiley   +1 more source

Scattering Amplitudes of Massive N=2 Gauge Theories in Three Dimensions [PDF]

open access: yes, 2013
We study the scattering amplitudes of mass-deformed Chern-Simons theories and Yang-Mills-Chern-Simons theories with N=2 supersymmetry in three dimensions. In particular, we derive the on-shell supersymmetry algebras which underlie the scattering matrices
Agarwal, Abhishek   +6 more
core   +1 more source

Topological correlators and surface defects from equivariant cohomology

open access: yesJournal of High Energy Physics, 2020
We find a one-dimensional protected subsector of N $$ \mathcal{N} $$ = 4 matter theories on a general class of three-dimensional manifolds. By means of equivariant localization we identify a dual quantum mechanics computing BPS correlators of the ...
Rodolfo Panerai   +2 more
doaj   +1 more source

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