Grothendieck lines in 3d = 2 SQCD and the quantum K-theory of the Grassmannian

C Closset, O Khlaif - Journal of High Energy Physics, 2023 - Springer
A bstract We revisit the 3d GLSM computation of the equivariant quantum K-theory ring of
the complex Grassmannian from the perspective of line defects. The 3d GLSM onto X= Gr (N …

3d = 2 Chern-Simons-matter theory, Bethe ansatz, and quantum K -theory of Grassmannians

K Ueda, Y Yoshida - Journal of High Energy Physics, 2020 - Springer
A bstract We study a correspondence between 3d\(\mathcal {N}\)= 2 topologically twisted
Chern-Simons-matter theories on S 1× Σg and quantum K-theory of Grassmannians. Our …

Factorisation of 3d = 4 twisted indices and the geometry of vortex moduli space

S Crew, N Dorey, D Zhang - Journal of High Energy Physics, 2020 - Springer
A bstract We study the twisted indices of\(\mathcal {N}\)= 4 supersymmetric gauge theories in
three dimensions on spatial S 2 with an angular momentum refinement. We demonstrate …

D-brane central charge and Landau–Ginzburg orbifolds

J Knapp, M Romo, E Scheidegger - Communications in Mathematical …, 2021 - Springer
We propose a formula for the exact central charge of a B-type D-brane that is expected to
hold in all regions of the Kähler moduli space of a Calabi–Yau. For Landau–Ginzburg …

[HTML][HTML] The geometry of gauged linear sigma model correlation functions

A Gerhardus, H Jockers, U Ninad - Nuclear Physics B, 2018 - Elsevier
Applying advances in exact computations of supersymmetric gauge theories, we study the
structure of correlation functions in two-dimensional N=(2, 2) Abelian and non-Abelian …

A correspondence between the quantum K theory and quantum cohomology of Grassmannians

W Gu, J Guo, L Mihalcea, Y Wen, X Yan - Journal of Geometry and Physics, 2025 - Elsevier
We utilize physics arguments, and the nonabelian/abelian correspondence, to relate the
Givental and Lee's quantum K theory ring of Grassmannians to a twisted variant of the …

Sphere Partition Function of Calabi–Yau GLSMs

D Erkinger, J Knapp - Communications in Mathematical Physics, 2022 - Springer
The sphere partition function of Calabi–Yau gauged linear sigma models (GLSMs) has been
shown to compute the exact Kähler potential of the Kähler moduli space of a Calabi–Yau …

Quantum -invariants via Quot schemes I

S Sinha, M Zhang - arXiv preprint arXiv:2406.12191, 2024 - arxiv.org
We study the virtual Euler characteristics of sheaves over Quot schemes of curves,
establishing that these invariants fit into a topological quantum field theory (TQFT) valued in …

Janus interface in two-dimensional supersymmetric gauge theories

K Goto, T Okuda - Journal of High Energy Physics, 2019 - Springer
A bstract We study the Janus interface, a domain wall characterized by spatially varying
couplings, in two-dimensional\(\mathcal {N}\)=(2, 2) supersymmetric gauge theories on the …

Determinantal Calabi-Yau varieties in Grassmannians and the Givental I-functions

Y Honma, M Manabe - Journal of High Energy Physics, 2018 - Springer
A bstract We examine a class of Calabi-Yau varieties of the determinantal type in
Grassmannians and clarify what kind of examples can be constructed explicitly. We also …