Search Results - "Padilha, Igor T."

Topological transitions in multi-band superconductors by Continentino, Mucio A., Deus, Fernanda, Padilha, Igor T., Caldas, Heron

“…The search for Majorana fermions has been concentrated in topological insulators or superconductors. In general, the existence of these modes requires the…”
Get full text

Monte Carlo study of the three-dimensional spatially anisotropic Ising superantiferromagnet in the presence of a magnetic field by Salmon, Octavio D.R., Neto, Minos A., Viana, J. Roberto, Padilha, Igor T., de Sousa, J. Ricardo

“…The phase transition of the three-dimensional spatially anisotropic Ising antiferromagnetic model in the presence of an uniform longitudinal magnetic field H…”
Get full text

Pressure induced superconductor quantum critical point in multi-band systems by Padilha, Igor T., Continentino, Mucio A.

“…In multi-band superconductors as inter-metallic systems and heavy fermions, external pressure can reduce the critical temperature and eventually destroy…”
Get full text

An effective correlated mean-field theory applied in the spin-1/2 Ising ferromagnetic model by Roberto Viana, J., Salmon, Octávio R., Ricardo de Sousa, J., Neto, Minos A., Padilha, Igor T.

“…We developed a new treatment for mean-field theory applied in spins systems, denominated effective correlated mean-field (ECMF). We apply this theory to study…”
Get full text

The anisotropic Ising superantiferromagnet on a simple cubic lattice in the presence of a magnetic field: Effective-field theory analysis by Ricardo de Sousa, J., Neto, Minos A., Padilha, Igor T., Salmon, Octavio D.R., Viana, J. Roberto

“…We have studied the anisotropic three-dimensional nearest-neighbor Ising model with competitive interactions in an uniform longitudinal magnetic field H. The…”
Get full text

First and second order quantum phase transitions in multi-band superconductors by Padilha, Igor T., Continentino, M.A.

“…In multi-band and inter-metallic materials superconductivity can be destroyed by applying external pressure in these systems. In many cases the critical…”
Get full text

The spin-3/2 Blume–Capel model with competing short- and long-range interactions by Salmon, Octavio D. Rodriguez, de Sousa, José Ricardo, Neto, Minos A., Padilha, Igor T., Azevedo, J. Roberto Viana, Neto, Francisco Dinóla

“…The phase diagrams of the spin-3/2 Blume–Capel model with competing short and long-range interactions were studied through the free energy density obtained by…”
Get full text

Coexistence of superfluid and metallic-like state in two-component fermionic systems by Continentino, M.A., Padilha, Igor T.

“…We study the possibility of coexistence in a two component fermionic system of a superfluid state with a metallic-like state with gapless excitations at a…”
Get full text

Thermodynamics properties of copper-oxide superconductors described by an Ising frustrated model by Padilha, Igor T., de Sousa, J. Ricardo, Neto, Minos A., Salmon, Octavio R., Viana, J.R.

“…In this work we will study the thermodynamics properties of the quenched decorated Ising model with competitive interactions through the effective field theory…”
Get full text

Mechanism for enhancement of superconductivity in multi-band systems with odd parity hybridization by Continentino, Mucio A, Padilha, Igor T, Caldas, Heron

“…The study of multi-band superconductivity is relevant for a variety of systems, from ultra cold atoms with population imbalance to particle physics, and…”
Get full text

The spin-3/2 Blume-Capel model with competing short- and long-range interactions by Salmon, Octavio D. Rodriguez, de Sousa, Jose Ricardo, Neto, Minos A, Padilha, Igor T, Azevedo, J. Roberto Viana, Neto, Francisco Dinola

“…The phase diagrams of the spin-$3/2$ Blume-Capel model with competing short and long-range interactions were studied through the free energy density obtained…”
Get full text

The magnetic susceptibility on the transverse antiferromagnetic Ising model: Analysis of the reentrant behaviour by Neto, Minos A, de Sousa, J. Ricardo, Padilha, Igor T, Salmon, Octavio R, Viana, J. Roberto, Neto, F. Dinóla

“…We study the three-dimensional antiferromagnetic Ising model in both uniform longitudinal ($H$) and transverse ($\Omega $) magnetic fields by using the…”
Get full text

Pressure induced FFLO instability in multi-band superconductors by Padilha, Igor T, Continentino, Mucio A

“…Multi-band systems as intermetallic and heavy fermion compounds have quasi-particles arising from different orbitals at their Fermi surface. Since these…”
Get full text

Pressure induced superconductor quantum critical point in multi-band systems by Padilha, Igor T, Continentino, Mucio A

“…In multi-band superconductors as inter-metallic systems and heavy fermions, external pressure can reduce the critical temperature and eventually destroy…”
Get full text

Asymmetric superconductivity in metallic systems by Continentino, Mucio A, Padilha, Igor T

“…Different types of superfluid ground states have been investigated in systems of two species of fermions with Fermi surfaces that do not match. This study is…”
Get full text

The Ising antiferromagnet on an anisotropic simple cubic lattice in the presence of a magnetic field by Salmon, Octavio D. R, Neto, Minos A, Viana, J. Roberto, Padilha, Igor T, de Sousa, J. R

“…We have studied the anisotropic three-dimensional nearest-neighbor Ising model with competitive interactions in an uniform longitudinal magnetic field $H$. The…”
Get full text

Qualitative aspects of the phase diagram of J1-J2 model on the cubic lattice by Salmon, Octavio D. R, Crokidakis, Nuno, Neto, Minos A, Padilha, Igor T, Viana, J. Roberto, de Sousa, J. Ricardo

“…Int. J. Mod. Phys. B 27, 1350162 (2013) The qualitative aspects of the phase diagram of the Ising model on the cubic lattice, with ferromagnetic…”
Get full text