Zobrazeno 1 - 10
of 144
pro vyhledávání: '"Torres, L. E."'
The interplay of spin and lattice fluctuations in two-dimensional magnets without inversion symmetry is investigated. We find a general form for the magnetoelastic coupling between magnons and existing chiral phonons based on the symmetries of the cr
Externí odkaz:
http://arxiv.org/abs/2405.18644
Publikováno v:
Quantum 5, 526 (2021)
What is the role of topology in the propagation of quantum light in photonic lattices? We address this question by studying the propagation of squeezed states in a topological one-dimensional waveguide array, benchmarking our results with those for a
Externí odkaz:
http://arxiv.org/abs/2106.00869
Autor:
Giustino, Feliciano, Lee, Jin Hong, Trier, Felix, Bibes, Manuel, Winter, Stephen M, Valentí, Roser, Son, Young-Woo, Taillefer, Louis, Heil, Christoph, Figueroa, Adriana I., Plaçais, Bernard, Wu, QuanSheng, Yazyev, Oleg V., Bakkers, Erik P. A. M., Nygård, Jesper, Forn-Diaz, Pol, De Franceschi, Silvano, McIver, J. W., Torres, L. E. F. Foa, Low, Tony, Kumar, Anshuman, Galceran, Regina, Valenzuela, Sergio O., Costache, Marius V., Manchon, Aurélien, Kim, Eun-Ah, Schleder, Gabriel R, Fazzio, Adalberto, Roche, Stephan
Publikováno v:
J. Phys. Mater. 3 042006 (2020)
In recent years, the notion of Quantum Materials has emerged as a powerful unifying concept across diverse fields of science and engineering, from condensed-matter and cold atom physics to materials science and quantum computing. Beyond traditional q
Externí odkaz:
http://arxiv.org/abs/2102.02644
Publikováno v:
Phys. Rev. Research 3, 013201 (2021)
We report on the fate of the quantum Hall effect in graphene under strong laser illumination. By using Floquet theory combined with both a low energy description and full tight-binding models, we clarify the selection rules, the quasienergy band stru
Externí odkaz:
http://arxiv.org/abs/2012.07592
Publikováno v:
Nano Letters 21, 3177 (2021)
Harnessing the unique features of topological materials for the development of a new generation of topological based devices is a challenge of paramount importance. Using Floquet scattering theory combined with atomistic models we study the interplay
Externí odkaz:
http://arxiv.org/abs/2010.11883
Topological states require the presence of extended bulk states, as usually found in the picture of energy bands and topological states bridging the bulk gaps. But in driven systems this can be circumvented, and one can get topological states coexist
Externí odkaz:
http://arxiv.org/abs/1909.05957
We propose a directional switching effect in a metallic device. To such end we exploit a graphene-based device with a three-terminal geometry in the presence of a magnetic field. We show that unidirectional charge and valley currents can be controlle
Externí odkaz:
http://arxiv.org/abs/1812.03851
Publikováno v:
Eur. Phys. J. Special Topics 227, 1295 (2018)
Recently, the search for topological states of matter has turned to non-Hermitian systems, which exhibit a rich variety of unique properties without Hermitian counterparts. Lattices modeled through non-Hermitian Hamiltonians appear in the context of
Externí odkaz:
http://arxiv.org/abs/1805.08200
Autor:
Bajpai, U., Popescu, B. S., Plechac, P., Nikolic, B. K., Torres, L. E. F. Foa, Ishizuka, H., Nagaosa, N.
Publikováno v:
J. Phys.: Mater. 2, 025004 (2019)
Shift current---a photocurrent induced by light irradiating noncentrosymmetric materials in the absence of any bias voltage or built-in electric field---is one of the mechanisms of the so-called bulk photovoltaic effect. It has been traditionally des
Externí odkaz:
http://arxiv.org/abs/1803.04404
Publikováno v:
Phys. Rev. B 97, 121401 (2018)
Capital to topological insulators, the bulk-boundary correspondence ties a topological invariant computed from the bulk (extended) states with those at the boundary, which are hence robust to disorder. Here we put forward an ordering unique to non-He
Externí odkaz:
http://arxiv.org/abs/1711.05235