Results 81 to 90 of about 809,200 (215)

Yang–Baxter sigma models based on the CYBE

open access: yesNuclear Physics B, 2015
It is known that Yang–Baxter sigma models provide a systematic way to study integrable deformations of both principal chiral models and symmetric coset sigma models.
Takuya Matsumoto, Kentaroh Yoshida
doaj   +1 more source

Topological sigma models [PDF]

open access: yesCommunications in Mathematical Physics, 1988
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +2 more sources

Supersymmetric Poisson and Poisson-supersymmetric sigma models

open access: yesJournal of High Energy Physics
We revisit and construct new examples of supersymmetric 2D topological sigma models whose target space is a Poisson supermanifold. Inspired by the AKSZ construction of topological field theories, we follow a graded-geometric approach and identify two ...
Thomas Basile   +2 more
doaj   +1 more source

Soft theorems for two-scalar sigma models

open access: yesJournal of High Energy Physics
In this paper, we study the scattering amplitudes and soft theorems for the sigma models with two scalars. We show that if the particles are Goldstone bosons, then you necessarily get Adler zero with no possibility for non-trivial soft theorems.
Karol Kampf   +3 more
doaj   +1 more source

Infrared properties of two-dimensional SU(N)/H nonlinear $\sigma$ models at nonzero $\theta$ angles

open access: yesSciPost Physics
A general strategy is proposed to explore the low-energy properties of two-dimensional nonlinear $\sigma$ models with $\theta$ terms. We demonstrate its application to nonlinear $\sigma$ models with the target space $SU(N)/H$, which include $\mathbb{C}P^{
Philippe Lecheminant, Yuya Tanizaki, Keisuke Totsuka
doaj   +1 more source

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