2.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of ChileCL188 papers
- Centre National de la Recherche ScientifiqueFR116 papers
- Pontificia Universidad Católica de ChileCL62 papers
- Center for the Development of Nanoscience and NanotechnologyCL55 papers
- Universidad Diego PortalesCL54 papers
- Max Planck Institute for AstronomyDE46 papers
- Pontificia Universidad Católica de ValparaísoCL44 papers
- Université Grenoble AlpesFR44 papers
- University of CambridgeGB41 papers
- Atacama Large Millimeter Submillimeter ArrayCL38 papers
- Institut de Planétologie et d'Astrophysique de GrenobleFR36 papers
- University of the Basque CountryES36 papers
20 papers · 1 filter
Particle-antiparticle asymmetry from magnetogenesis through the Landau mechanism
D. Carcamo, Ashok Das, J. Gamboa +1
Motivated by string theory an extension of the Landau problem to quantum field theory is considered. We show that the commutator between momenta of the fields violates Lorentz and…
Explicit formulas for the Schroedinger wave operators in R^2
S. Richard, R. Tiedra de Aldecoa
In this note, we derive explicit formulas for the Schroedinger wave operators in R^2 under the assumption that 0-energy is neither an eigenvalue nor a resonance. These formulas jus…
Kink mass quantum shifts from SUSY quantum mechanics
Alberto Alonso-Izquierdo, Juan Mateos Guilarte, Mikhail S. Plyushchay
In this paper a new version of the DHN (Dashen-Hasslacher-Neveu) formula, which is used to compute the one-loop order kink mass correction in (1+1)-dimensional scalar field theory…
Interacting warm dark matter
Norman Cruz, Guillermo Palma, David Zambrano +1
We explore a cosmological model composed by a dark matter fluid interacting with a dark energy fluid. The interaction term has the non-linear lambda*(rho_m)^alpha * (rho_e)^beta fo…
Dual techniques for scheduling on a machine with varying speed
Nicole Megow, José Verschae
We study scheduling problems on a machine with varying speed. Assuming a known speed function we ask for a cost-efficient scheduling solution. Our main result is a PTAS for minimiz…
New results on the coarseness of bicolored point sets
J. M. Díaz-Báñez, R. Fabila-Monroy, P. Pérez-Lantero +1
Let be a 2-colored (red and blue) set of points in the plane. A subset of is an island if there exits a convex set such that . The discrepancy of an…
Deterministic generation of arbitrary symmetric states and entanglement classes
L. Lamata, C. E. Lopez, B. P. Lanyon +3
We propose a method to generate arbitrary symmetric states of N qubits, which can be easily associated with their entanglement classes. It is particularly suited to quantum optics…
Effect of scalings and translations on the supersymmetric quantum mechanical structure of soliton systems
Adrian Arancibia, Juan Mateos Guilarte, Mikhail S. Plyushchay
We investigate a peculiar supersymmetry of the pairs of reflectionless quantum mechanical systems described by n-soliton potentials of a general form that depends on n scaling and…
Spectral singularities in PT-symmetric periodic finite-gap systems
Francisco Correa, Mikhail S. Plyushchay
The origin of spectral singularities in finite-gap singly periodic PT-symmetric quantum systems is investigated. We show that they emerge from a limit of band-edge states in a doub…
The initial value problem for ordinary differential equations with infinitely many derivatives
Przemyslaw Gorka, Humberto Prado, Enrique G. Reyes
We study existence, uniqueness and regularity of solutions for ordinary differential equations with infinitely many derivatives such as (linearized versions of) nonlocal field equa…
Noncommutativity in (2+1)-dimensions and the Lorentz group
H. Falomir, F. Vega, J. Gamboa +2
In this article we considered models of particles living in a three-dimensional space-time with a nonstandard noncommutativity induced by shifting canonical coordinates and momenta…
Sur les rapprochements par conjugaison en dimension 1 et classe C^1
Andrés Navas
We prove that the space of actions of Z^d by C^1 (orientation-preserving) diffeomorphisms of either the interval or the circle is connected by arcs. This is proved by showing that…
On the invariant distributions of C^2 circle diffeomorphisms of irrational rotation number
Andrés Navas, Michele Triestino
We show that no C^2 circle diffeomorphism of irrational rotation number has invariant 1-distributions other than (scalar multiples of) the invariant measure. We also show that this…
Separation dichotomy and wavefronts for a nonlinear convolution equation
Carlos Gomez, Humberto Prado, Sergei Trofimchuk
This paper is concerned with a scalar nonlinear convolution equation which appears naturally in the theory of traveling waves for monostable evolution models. First, we prove that…
Dynamics determines geometry
Sergio A. Hojman, J. Gamboa, F. Mendez
The inverse problem of calculus of variations and -equivalence are re-examined by using results obtained from non-commutative geometry ideas. The role played by the structure of…
Symmetric competition as a general model for single-species adaptive dynamics
Michael Doebeli, Iaroslav Ispolatov
Adaptive dynamics is a widely used framework for modeling long-term evolution of continuous phenotypes. It is based on invasion fitness functions, which determine selection gradien…
Efficient computation of the Zassenhaus formula
Fernando Casas, Ander Murua, Mladen Nadinic
A new recursive procedure to compute the Zassenhaus formula up to high order is presented, providing each exponent in the factorization directly as a linear combination of independ…
Complexity of Nilsystems and systems lacking nilfactors
Bernard Host, Bryna Kra, Alejandro Maass
Nilsystems are a natural generalization of rotations and arise in various contexts, including in the study of multiple ergodic averages in ergodic theory, in the structural analysi…
Extreme statistics, Gaussian statistics, and superdiffusion in global magnitude fluctuations in turbulence
R. Labbé, G. Bustamante
Extreme value statistics, or extreme statistics for short, refers to the statistics that characterizes rare events of either unusually high or low intensity: climate disasters like…
Self-isospectral tri-supersymmetry in PT-symmetric quantum systems with pure imaginary periodicity
Francisco Correa, Mikhail S. Plyushchay
We study a reflectionless PT-symmetric quantum system described by the pair of complexified Scarf II potentials mutually displaced in the half of their pure imaginary period. Analy…