Low-frequency divergence and quantum geometry of the bulk photovoltaic effect in topological semimetals
We study the low-frequency properties of the bulk photovoltaic effect in topological
semimetals. The bulk photovoltaic effect is a nonlinear optical effect that generates dc …
semimetals. The bulk photovoltaic effect is a nonlinear optical effect that generates dc …
[HTML][HTML] On Darboux theorems for geometric structures induced by closed forms
This work reviews the classical Darboux theorem for symplectic, presymplectic, and
cosymplectic manifolds (which are used to describe mechanical systems), as well as certain …
cosymplectic manifolds (which are used to describe mechanical systems), as well as certain …
Covariant and equivariant formality theorems
V Dolgushev - Advances in Mathematics, 2005 - Elsevier
We give a proof of Kontsevich's formality theorem for a general manifold using Fedosov
resolutions of algebras of polydifferential operators and polyvector fields. The main …
resolutions of algebras of polydifferential operators and polyvector fields. The main …
Symplectic connections
P Bieliavsky, M Cahen, S Gutt, J Rawnsley… - … Journal of Geometric …, 2006 - World Scientific
This article is an overview of the results obtained in recent years on symplectic connections.
We present what is known about preferred connections (critical points of a variational …
We present what is known about preferred connections (critical points of a variational …
[图书][B] Introduction to symplectic Dirac operators
K Habermann, L Habermann - 2006 - books.google.com
One of the basic ideas in differential geometry is that the study of analytic properties of
certain differential operators acting on sections of vector bundles yields geometric and …
certain differential operators acting on sections of vector bundles yields geometric and …
[图书][B] Geometric and algebraic topological methods in quantum mechanics
G Giachetta, L Mangiarotti, GA Sardanashvili - 2005 - books.google.com
In the last decade, the development of new ideas in quantum theory, including geometric
and deformation quantization, the non-Abelian Berry''s geometric factor, super-and BRST …
and deformation quantization, the non-Abelian Berry''s geometric factor, super-and BRST …
Interaction of Codazzi couplings with (para-) Kähler geometry
We study Codazzi couplings of an affine connection ∇∇ with a pseudo-Riemannian metric
g, a nondegenerate 2-form ω ω, and a tangent bundle isomorphism L on smooth manifolds …
g, a nondegenerate 2-form ω ω, and a tangent bundle isomorphism L on smooth manifolds …
[HTML][HTML] The geometry of a bi-Lagrangian manifold
F Etayo, R Santamaría, UR Trías - Differential Geometry and its Applications, 2006 - Elsevier
This is a survey on bi-Lagrangian manifolds, which are symplectic manifolds endowed with
two transversal Lagrangian foliations. We also study the non-integrable case (ie, a …
two transversal Lagrangian foliations. We also study the non-integrable case (ie, a …
A deformation quantization for non-flat spacetimes and applications to QFT
A Much - Journal of Physics A: Mathematical and …, 2024 - pubishingsupport.iopscience.iop.org
We provide a deformation quantization, in the sense of Rieffel, for all globally hyperbolic
spacetimes with a Poisson structure. The Poisson structures have to satisfy Fedosov type …
spacetimes with a Poisson structure. The Poisson structures have to satisfy Fedosov type …
Semiclassical differential structures
We semiclassicalise the standard notion of differential calculus in noncommutative geometry
on algebras and quantum groups. We show in the symplectic case that the infinitesimal data …
on algebras and quantum groups. We show in the symplectic case that the infinitesimal data …