37 citations · 227 across the 25 of their papers we have counts for
25 papers
A Boson-Fermion theory that goes beyond the BCS approximations for superconductors
I. Chávez, P. Salas, M. A. Solís +1
A detailed analysis is given of the effects of common and recurring approximations used in conventional superconductivity theories on the condensation energy values, whose magnitud…
Chemical potential influence on the condensation energy from a Boson-Fermion model of superconductivity
I. Chávez, P. Salas, O. A. Rodríguez +2
Influence of the temperature dependent chemical potential on the condensation energy from a ternary Boson-Fermion model of superconductivity is reported, it consist of unbound elec…
On the role of hyperfine-interactions-mediated Zeeman effect in the condensation temperature shift of trapped atomic Bose-Einstein condensates
Fabio Briscese, Sergei Sergeenkov, Marcela Grether +1
We discuss the effect of interatomic interactions on the condensation temperature of a laboratory atomic Bose-Einstein condensate under the influence of an external trapping…
Weakly interacting Bose-Einstein condensates in temperature-dependent generic traps
E. Castellanos, F. Briscese, M. Grether +1
The shift in condensation temperature caused by interactions is studied up to second order in the s-wave scattering length in a Bose-Einstein condensate trapped in a temperature-de…
Planck-scale effects on Bose-Einstein condensates
F. Briscese, M. Grether, M. de Llano
The effects of a Planck-scale deformation of the Minkowski energy-momentum dispersion relation on the phenomenology of non-trapped Bose-Einstein condensates (BECs) are examined. Su…
One-dimensional Cooper pairing
R. Mendoza, M. Fortes, M. de Llano +1
We study electron pairing in a one-dimensional (1D) fermion gas at zero temperature under zero- and finite-range, attractive, two-body interactions. The binding energy of Cooper pa…
Dimensional crossover of a boson gas in multilayers
P. Salas, F. J. Sevilla, M. Fortes +3
We obtain the thermodynamic properties for a non-interacting Bose gas constrained on multilayers modeled by a periodic Kronig-Penney delta potential in one direction and allowed to…
BCS-BEC model of high-Tc superconductivity in layered cuprates with unconventional pairing
C. Villarreal, M. de Llano
High-Tc superconductivity in layered cuprates is described in a BCS-BEC formalism with linearly-dispersive s- and d-wave Cooper pairs moving in quasi-2D finite-width layers about t…
On Bose-Einstein condensation in quasi-2D systems with applications to high Tc superconductivity II
C. Villarreal, M. de Llano
We calculate the number and energy densities of a quasi-2D Bose-Einstein gas constrained within a thin region of infinite extent but of finite width d. The BEC critical transition…
Bose-Einstein condensation in multilayers
P. Salas, M. Fortes, M. de Llano +2
The critical BEC temperature of a non interacting boson gas in a layered structure like those of cuprate superconductors is shown to have a minimum , at a characte…
Bose-Einstein condensation in quasi-2D systems: applications to high Tc superconductivity
C. Villarreal, M. de Llano
We describe high-Tc superconductivity in layered materials within a BCS theory as a BEC of massless-like Cooper pairons satisfying a linear dispersion relation, and propagating wit…
Anomalous behavior of ideal Fermi gas below two dimensions
M. Grether, M. de Llano, M. A. Solís
Normal behavior of the thermodynamic properties of a Fermi gas in dimensions, integer or not, means monotonically increasing or decreasing of its specific heat, chemical pote…
Harmonically Trapped Quantum Gases
M. Grether, M. Fortes, M. de Llano +4
We solve the problem of a Bose or Fermi gas in -dimensions trapped by mutually perpendicular harmonic oscillator potentials. From the grand potential we derive their…
Pre-formed Cooper pairs and Bose-Einstein condensation in cuprate superconductors
M. Casas, M. de Llano, A. Puente +2
A two-dimensional (2D) assembly of noninteracting, temperature-dependent, pre-formed Cooper pairs in chemical/thermal equilibrium with unpaired fermions is examined in a binary bos…
Two-dimensional Bose-Einstein Condensation in Cuprate Superconductors
M. Casas, M. de Llano, A. Puente +2
Transition temperatures calculated using the BCS model electron-phonon interaction without any adjustable parameters agree with empirical values for quasi-2D cuprate superc…
Bose-Einstein condensation of nonzero-center-of-mass-momentum Cooper pairs
J. Batle, M. Casas M. Fortes, M. A. Solís +3
Cooper pair (CP) binding with both zero and nonzero center-of-mass momenta (CMM) is studied with a set of renormalized equations assuming a short-ranged (attractive) pairwise inter…
Cooper pairs as resonances
M. Fortes, M. A. Solis, M. de Llano +1
Using the Bethe-Salpeter (BS) equation, Cooper pairing can be generalized to include contributions from holes as well as particles from the ground state of either an ideal Fermi ga…
Statistical Model of Superconductivity in a 2D Binary Boson-Fermion Mixture
M. Casas, N. J. Davidson, M. de Llano +5
A two-dimensional (2D) assembly of noninteracting, temperature-dependent, composite-boson Cooper pairs (CPs) in chemical and thermal equilibrium with unpaired fermions is examined…
Linear to quadratic crossover of Cooper pair dispersion relation
S. K. Adhikari, M. Casas, A. Puente +6
Cooper pairing is studied in three dimensions to determine its binding energy for all coupling using a general separable interfermion interaction. Also considered are Cooper pairs…
Low-dimensional BEC
F. J. Sevilla, M. Grether, M. Fortes +4
The Bose-Einstein condensation (BEC) temperature of Cooper pairs (CPs) created from a very general interfermion interaction is determined for a {\it linear}, as well as the…
Superconductivity as a Bose-Einstein condensation?
S. K. Adhikari, M. Casas, A. Puente +6
Bose-Einstein condensation (BEC) in two dimensions (2D) (e.g., to describe the quasi-2D cuprates) is suggested as the possible mechanism widely believed to underlie superconductivi…
Cooper pair dispersion relation for weak to strong coupling
S. K. Adhikari, M. Casas, A. Puente +6
Cooper pairing in two dimensions is analyzed with a set of renormalized equations to determine its binding energy for any fermion number density and all coupling assuming a generic…
Cooper pair dispersion relation in two dimensions
S. K. Adhikari, M. Casas, A. Puente +6
The Cooper pair binding energy {\it vs.} center-of-mass-momentum dispersion relation for Bose-Einstein condensation studies of superconductivity is found in two dimensions for a re…
Statistical Model of Superconductivity in a 2D Binary Boson-Fermion Mixture
M. Casas, N. J. Davidson, M. de Llano +5
A two-dimensional (2D) assembly of noninteracting, temperature-dependent, composite-boson Cooper pairs (CPs) in chemical and thermal equilibrium with unpaired fermions is examined…