Zobrazeno 1 - 10
of 1 118
pro vyhledávání: '"Leite, A. S."'
Autor:
Kopper, Declan, Leite, Marina S.
Thermophotovoltaics (TPVs) have the potential to exhibit higher power conversion efficiencies than traditional photovoltaics (PVs), with a broad range of applicability from waste recovery systems to aerospace solutions. They operate by preferentially
Externí odkaz:
http://arxiv.org/abs/2410.19829
Autor:
Leite, W. S., de Lamare, R. C.
This paper investigates the problem of direction-of-arrival (DOA) estimation using multiple partially-calibrated sparse subarrays. In particular, we present the Generalized Coarray Multiple Signal Classification (GCA-MUSIC) DOA estimation algorithm t
Externí odkaz:
http://arxiv.org/abs/2408.03236
We consider different phase spaces for the Toda flows and the less familiar SVD flows. For the Toda flow, we handle symmetric and non-symmetric matrices with real simple eigenvalues, possibly with a given profile. Profiles encode, for example, band m
Externí odkaz:
http://arxiv.org/abs/2302.07144
Photoexcited metals can produce highly-energetic hot carriers whose controlled generation and extraction is a promising avenue for technological applications. While hot carrier dynamics in Au-group metals have been widely investigated, a microscopic
Externí odkaz:
http://arxiv.org/abs/2203.15922
Autor:
Leite, Leonardo S. G., Doretto, R. L.
Publikováno v:
Phys. Rev. B 106, 155142 (2022)
We study the flat-band ferromagnetic phase of a spinfull and time-reversal symmetric Haldane-Hubbard model on a honeycomb lattice within a bosonization formalism for flat-band Z$_2$ topological insulators. Such a study extend our previous one [L. S.
Externí odkaz:
http://arxiv.org/abs/2203.15573
Autor:
Leite, Ricardo S., Tomei, Carlos
We provide a detailed description of the maps associated with spectral interlacing, for rank one perturbations and bordering of symmetric and Hermitian matrices. The arguments rely on standard techniques of nonlinear analysis.
Comment: 15 pages,
Comment: 15 pages,
Externí odkaz:
http://arxiv.org/abs/2108.06285
Publikováno v:
In Measurement: Food June 2024 14
Autor:
Leite, Leonardo S. G., Doretto, R. L.
Publikováno v:
Phys. Rev. B 104, 155129 (2021)
We study the flat-band ferromagnetic phase of the Haldane-Hubbard model on a honeycomb lattice within a bosonization scheme for flat-band Chern insulators, focusing on the calculation of the spin-wave excitation spectrum. We consider the Haldane-Hubb
Externí odkaz:
http://arxiv.org/abs/2106.00468
Autor:
Leite, W. S., de Lamare, R. C.
This paper proposes an enhanced coarray transformation model (EDCTM) and a mixed greedy maximum likelihood algorithm called List-Based Maximum Likelihood Orthogonal Matching Pursuit (LBML-OMP) for direction-of-arrival estimation with non-uniform line
Externí odkaz:
http://arxiv.org/abs/2105.03774
Quantitative predictions of photo-emission dynamics in metal halide perovskites via machine learning
Autor:
Howard, John M., Wang, Qiong, Lee, Erica, Lahoti, Richa, Gong, Tao, Srivastava, Meghna, Abate, Antonio, Leite, Marina S.
Metal halide perovskite (MHP) optoelectronics may become a viable alternative to standard Si-based technologies, but the current lack of long-term stability precludes their commercial adoption. Exposure to standard operational stressors (light, tempe
Externí odkaz:
http://arxiv.org/abs/2010.03702