Search Results - "Vernek, E"

Breakdown of thermalization in spin chains with single-ion anisotropy by Sousa, M. G., Costa, R. F. P., Neto, G. D. de Moraes, Vernek, E.

“…The principles of ergodicity and thermalization constitute the foundation of statistical mechanics, positing that a many-body system progressively loses its…”
Get full text

Spin-polarized conductance in double quantum dots: Interplay of Kondo, Zeeman, and interference effects by Dias da Silva, Luis G. G. V., Vernek, E., Ingersent, K., Sandler, N., Ulloa, S. E.

“…We study the effect of a magnetic field in the Kondo regime of a double-quantum-dot system consisting of a strongly correlated dot (the "side dot") coupled to…”
Get full text

Pedagogical introduction to equilibrium Green's functions: condensed-matter examples with numerical implementations by Odashima, Mariana M., Prado, Beatriz G., Vernek, E.

“…The Green's function method has applications in several fields in Physics, from classical differential equations to quantum many-body problems. In the quantum…”
Get full text

Capacitive interactions and Kondo effect tuning in double quantum impurity systems by Ruiz-Tijerina, David A., Vernek, E., Ulloa, Sergio E.

“…We present a study of the correlated transport regimes of a double quantum impurity system with mutual capacitive interactions. Such system can be implemented…”
Get full text

Interaction effects on a Majorana zero mode leaking into a quantum dot by Ruiz-Tijerina, David A., Vernek, E., Dias da Silva, Luis G. G. V., Egues, J. C.

“…We have recently shown that a non-interacting quantum dot coupled to a one-dimensional topological superconductor and to normal leads can sustain a Majorana…”
Get full text

Kondo temperature and screening extension in a double quantum dot system by Ribeiro, L. C., Vernek, E., Martins, G. B., Anda, E. V.

“…In this work we use the slave-boson mean-field approximation at finite U to study the effects of spin-spin correlations in the transport properties of two…”
Get full text

Effects of electron-phonon coupling in the Kondo regime of a two-orbital molecule by Luiz, G. I., Vernek, E., Deng, L., Ingersent, K., Anda, E. V.

“…We study the interplay between strong electron-electron and electron-phonon interactions within a two-orbital molecule coupled to metallic leads, taking into…”
Get full text

Suppression of Kondo screening by the Dicke effect in multiple quantum dots by Vernek, E., Orellana, P. A., Ulloa, S. E.

Get full text

Kondo regime of a quantum dot molecule: A finite- U slave boson approach by Vernek, E., Sandler, N., Ulloa, S.E., Anda, E.V.

“…We study the electronic transport in a double quantum dot structure connected to leads in the Kondo regime for both series and parallel arrangements. By…”
Get full text

Magnetic-field-modulated Kondo effect in a single-magnetic-ion molecule by Romero, Javier I., Vernek, E., Martins, G. B., Mucciolo, E. R.

“…We study numerically the low-temperature electronic transport properties of a single-ion magnet with uniaxial and transverse spin anisotropies. We find clear…”
Get full text

Phonon Rabi-assisted tunneling in diatomic molecules by VERNEK, E, ANDA, E. V, ULLOA, S. E, SANDIER, N

Get full text

Kondo regime in triangular arrangements of quantum dots: Molecular orbitals, interference, and contact effects by Vernek, E., Büsser, C. A., Martins, G. B., Anda, E. V., Sandler, N., Ulloa, S. E.

Get full text

Numerical analysis of the spatial range of the Kondo effect by Büsser, C. A., Martins, G. B., Costa Ribeiro, L., Vernek, E., Anda, E. V., Dagotto, E.

“…The spatial length of the Kondo screening is still a controversial issue related to Kondo physics. While renormalization-group and Bethe-Ansatz solutions have…”
Get full text

Subtle leakage of a Majorana mode into a quantum dot by Vernek, E., Penteado, P. H., Seridonio, A. C., Egues, J. C.

Get full text

Dimensionality effects in the local density of states of ferromagnetic hosts probed via STM: Spin-polarized quantum beats and spin filtering by Seridonio, A. C., Leandro, S. C., Guessi, L. H., Siqueira, E. C., Souza, F. M., Vernek, E., Figueira, M. S., Egues, J. C.

“…We theoretically investigate the local density of states (LDOS) probed by an STM tip of ferromagnetic metals hosting a single adatom and a subsurface impurity…”
Get full text

Graphene-based spin switch device via modulated Rashba field and strain by Diniz, G.S., Vernek, E., Souza, F.M.

“…We investigate the spin-resolved transport in a two-terminal zigzag graphene nanoribbon device with two independent gate induced Rashba spin-orbit coupling…”
Get full text

Capacitively coupled double quantum dot system in the Kondo regime by Ferreira, Irisnei L., Orellana, P. A., Martins, G. B., Souza, F. M., Vernek, E.

Get full text

Kondo screening suppression by spin-orbit interaction in quantum dots by Vernek, E., Sandler, N., Ulloa, S. E.

Get full text

Robustness of Stark many-body localization in the $J_1$-$J_2$ Heisenberg model by Vernek, E

“…Phys. Rev. B 105, 075124 (2022) Stark many-body localization (SMBL) is a phenomenon observed in interacting systems with a nearly uniform spatial gradient…”
Get full text

Transport in carbon nanotubes: Two-level SU(2) regime reveals subtle competition between Kondo and intermediate valence states by Büsser, C. A., Vernek, E., Orellana, P., Lara, G. A., Kim, E. H., Feiguin, A. E., Anda, E. V., Martins, G. B.

Get full text