Edge states at phase boundaries and their stability

M Asorey, AP Balachandran… - … in Mathematical Physics, 2016 - World Scientific
We analyze the effects of Robin-like boundary conditions on different quantum field theories
of spin 0, 1/2 and 1 on manifolds with boundaries. In particular, we show that these …

Electro- and magnetostatics of topological insulators as modeled by planar, spherical, and cylindrical boundaries: Green's function approach

A Martín-Ruiz, M Cambiaso, LF Urrutia - Physical Review D, 2016 - APS
The Green's function method is used to analyze the boundary effects produced by a Chern-
Simons extension to electrodynamics. We consider the electromagnetic field coupled to a θ …

Boundary conditions for the quantum Hall effect

G Angelone, M Asorey, P Facchi… - Journal of Physics A …, 2023 - iopscience.iop.org
We formulate a self-consistent model of the integer quantum Hall effect on an infinite strip,
using boundary conditions to investigate the influence of finite-size effects on the Hall …

[HTML][HTML] On a sharper bound on the stability of non-autonomous Schrödinger equations and applications to quantum control

A Balmaseda, D Lonigro, JM Pérez-Pardo - Journal of Functional Analysis, 2024 - Elsevier
We study the stability of the Schrödinger equation generated by time-dependent
Hamiltonians with constant form domain. That is, we bound the difference between solutions …

The topology and geometry of self-adjoint and elliptic boundary conditions for Dirac and Laplace operators

M Asorey, A Ibort, G Marmo - International Journal of Geometric …, 2015 - World Scientific
The theory of self-adjoint extensions of first-and second-order elliptic differential operators
on manifolds with boundary is studied via its most representative instances: Dirac and …

Boundary effects in bosonic and fermionic field theories

M Asorey, D García-Alvarez… - International Journal of …, 2015 - World Scientific
The dynamics of quantum field theories on bounded domains requires the introduction of
boundary conditions on the quantum fields. We address the problem from a very general …

Hearing the boundary conditions of the one-dimensional Dirac operator

G Angelone - arxiv preprint arxiv:2311.17561, 2023 - arxiv.org
We study the isospectrality problem for a relativistic free quantum particle, described by the
Dirac Hamiltonian, confined in a one-dimensional ring with a junction. We analyze all the …

Edge observables of the Maxwell-Chern-Simons theory

JF Barbero G, B Díaz, J Margalef-Bentabol… - Physical Review D, 2022 - APS
We analyze the Lagrangian and Hamiltonian formulations of the Maxwell-Chern-Simons
theory defined on a manifold with boundary for two different sets of boundary equations …

Boundary dynamics and topology change in quantum mechanics

JM Pérez-Pardo, M Barbero-Liñán… - International Journal of …, 2015 - World Scientific
We show how to use boundary conditions to drive the evolution on a quantum mechanical
system. We will see how this problem can be expressed in terms of a time-dependent …

On the theory of self-adjoint extensions of symmetric operators and its applications to quantum physics

A Ibort, JM Pérez-Pardo - … Journal of Geometric Methods in Modern …, 2015 - World Scientific
This is a series of five lectures around the common subject of the construction of self-adjoint
extensions of symmetric operators and its applications to Quantum Physics. We will try to …