English
Related papers

Related papers: Real-space representation of the second Chern numb…

200 papers

We investigate the general properties of the dimensional reduction of the Dirac theory, formulated in a Minkowski spacetime with an arbitrary number of spatial dimensions. This is done by applying Hadamard's method of descent, which…

We investigate the generic 3D topological field theory within AKSZ-BV framework. We use the Batalin-Vilkovisky (BV) formalism to construct explicitly cocycles of the Lie algebra of formal Hamiltonian vector fields and we argue that the…

High Energy Physics - Theory · Physics 2010-11-09 Jian Qiu , Maxim Zabzine

This is the second installment in a series of papers aimed at generalizing symplectic capacities and homologies. We study symmetric versions of symplectic capacities for real symplectic manifolds, and obtain corresponding results for them…

Symplectic Geometry · Mathematics 2020-04-22 Rongrong Jin , Guangcun Lu

A brief introduction to topological phases is provided, considering several two-band Hamiltonians in one- and two-dimensions. Relevant concepts of the topological insulator theory, such as: Berry phase, Chern number, and the quantum…

Strongly Correlated Electrons · Physics 2017-01-31 Leandro O. Nascimento

The use of topological invariants to describe geometric phases of quantum matter has become an essential tool in modern solid state physics. The first instance of this paradigmatic trend can be traced to the study of the quantum Hall…

Mathematical Physics · Physics 2017-05-19 Domenico Monaco

Valentine's face-space suggests that faces are represented in a psychological multidimensional space according to their perceived properties. However, the proposed framework was initially designed as an account of invariant facial features…

Computer Vision and Pattern Recognition · Computer Science 2016-09-26 Jonathan Vitale , Mary-Anne Williams , Benjamin Johnston

Motivated by the six dimensional formulation of Kodaira-Spencer theory for Calabi-Yau threefolds, we formulate a two dimensional version and argue that this is the relevant field theory for the target space of local topological B-model with…

High Energy Physics - Theory · Physics 2007-11-14 Robbert Dijkgraaf , Cumrun Vafa

We study the reflected entropy between two spatial regions in $(2+1)$-dimensional Chern-Simons theories. Taking advantage of its replica trick formulation, the reflected entropy is computed using the edge theory approach and the surgery…

High Energy Physics - Theory · Physics 2021-02-03 Clément Berthiere , Hongjie Chen , Yuefeng Liu , Bin Chen

We explore the Coleman-Weinberg phase transition in regions outside the validity of perturbation theory. For this purpose we study a Euclidean field theory with two scalars and discrete symmetry in four dimensions. The phase diagram is…

High Energy Physics - Theory · Physics 2014-11-18 S. Bornholdt , N. Tetradis , C. Wetterich

The interplay of topology and disorder in non-equilibrium quantum systems is an intriguing subject. Here, we look for a suitable platform that enables an in-depth exploration of the topic. To this end, We analyze the topological and…

Mesoscale and Nanoscale Physics · Physics 2024-09-05 Koustav Roy , Shilpi Roy , Saurabh Basu

Condensed matter systems with topological order and metamaterials with left-handed chirality have attracted recently extensive interests in the fields of physics and optics. So far the two fields are independent, and there is no work to…

Optics · Physics 2014-01-27 Wei Tan , Yong Sun , Hong Chen , Shun-Qing Shen

The topology of quantum systems has become a topic of great interest since the discovery of topological insulators. However, as a hallmark of the topological insulators, the spin Chern number has not yet been experimentally detected. The…

Over decades, the time evolution of Wigner functions along classical Hamiltonian flows has been used for approximating key signatures of molecular quantum systems. Such approximations are for example the Wigner phase space method, the…

Numerical Analysis · Mathematics 2014-11-11 Wolfgang Gaim , Caroline Lasser

This paper introduces an algorithmic approach to the analysis of Jacobi stability of systems of second order ordinary differential equations (ODEs) via the Kosambi--Cartan--Chern (KCC) theory. We develop an efficient symbolic program using…

Symbolic Computation · Computer Science 2025-04-29 Christian G. Böhmer , Bo Huang , Dongming Wang , Xinyu Wang

In this work we use algebraic dual representations in conjunction with domain decomposition methods for Darcy equations. We define the broken Sobolev spaces and their finite dimensional counterparts. In addition, a global trace space is…

Numerical Analysis · Mathematics 2023-01-04 V. Jain , A. Palha , M. Gerritsma

Motivated by recent developments in quantum simulation of synthetic dimensions, e.g. in optical lattices of ultracold atoms, we discuss here $d$-dimensional periodic, gapped quantum systems for $d \le 4$, with focus on the topology of the…

Mathematical Physics · Physics 2023-02-06 Domenico Monaco , Thaddeus Roussigné

Counterexamples to the 2-jet determination Chern-Moser Theorem in codimension d>2 have recently been constructed. We extend the Chern-Moser approach for hypersurfaces to real submanifolds of higher codimension in complex space to derive…

Complex Variables · Mathematics 2022-01-17 Léa Blanc-Centi , Francine Meylan

Chiral superconductors are one of the predominant quantum electronic states of matter where topology, symmetry, and Fermiology intertwine. This is pushed to a new limit by further invoking the coupling between spin and charge degrees of…

Strongly Correlated Electrons · Physics 2024-10-10 Matthew Bunney , Jacob Beyer , Ronny Thomale , Carsten Honerkamp , Stephan Rachel

Topological physics in photonic systems have attracted great attentions in recent years. In this work, we theoretically study the one and two dimensional photonic quasicrystal resonator lattices characterized by the first and second Chern…

Mesoscale and Nanoscale Physics · Physics 2015-04-16 Xiao Zhang

The discovery of topological states of matter has profoundly augmented our understanding of phase transitions in physical systems. Instead of local order parameters, topological phases are described by global topological invariants and are…