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Article
Periodic Ultranarrow Rods as 1D Subwavelength Optical Lattices
We report on ground-state properties of a one-dimensional, weakly interacting Bose gas constrained by an infinite multi-rod periodic structure at zero temperature. We solve the stationary Gross–Pitaevskii equa...
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Article
The Diatraea Complex (Lepidoptera: Crambidae) in Colombia’s Cauca River Valley: Making a Case for the Geographically Localized Approach
The sugarcane stem borers Diatraea saccharalis (Fabricius) and D. indigenella Dyar & Heinrich are common pests of sugarcane crops in Colombia’s Cauca river valley (CRV). In 2012, however, D. tabernella Dyar was r...
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Article
Finite Size Effect on the Specific Heat of a Bose Gas in Multi-filament Cables
The specific heat for an ideal Bose gas confined in semi-infinite multi-filament cables is analyzed. We start with a Bose gas inside a semi-infinite tube of impenetrable walls and finite rectangular cross sect...
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Article
Universal Behavior of the BEC Critical Temperature for a Multi-slab Ideal Bose Gas
For an ideal Bose gas within a multi-slab periodic structure, we discuss the effect of the spatial distribution of the gas on its Bose–Einstein condensation critical temperature
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Article
Collective Excitations of an Imbalanced Fermion Gas in a 1D Optical Lattice
The collective excitations that minimize the Helmholtz free energy of a population-imbalanced mixture of a 6Li gas loaded in a quasi one-dimensional optical lattice are obtained. These excitations reveal a rotoni...
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Article
BEC and Dimensional Crossover in a Boson Gas Within Multi-slabs
For an ideal Bose-gas within a multi-slabs periodic structure, we report a dimensional crossover and discuss whether a BEC transition at T c ≠0 disappears or not...
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Article
Trap** Effect of Periodic Structures on the Thermodynamic Properties of a Fermi Gas
We report the thermodynamic properties of an ideal Fermi gas immersed in periodic structures such as penetrable multilayers or multitubes simulated by one (planes) or two perpendicular (tubes) external Dirac c...
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Article
Boson Gas in a Periodic Array of Tubes
We report the thermodynamic properties of an ideal boson gas confined in an infinite periodic array of channels modeled by two, mutually perpendicular, Kronig-Penney delta-potentials. The particle’s motion is ...
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Article
Bose-Einstein Condensation in Multilayers
The critical BEC temperature T c of a non interacting boson gas in a layered structure like those of cuprate superconductors is shown to have a minimum
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Article
Anomalous behavior of ideal Fermi gas below two dimensions
Normal behavior of the thermodynamic properties of a Fermi gas in d > 2 dimensions, integer or not, means monotonically increasing or decreasing of its specific heat, chemical potential or isothermal sound veloci...
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Article
Low-dimensional BEC
The Bose-Einstein condensation (BEC) temperature Tc of Cooper pairs (CPs) created from a general interfermion interaction is determined for a linear, as well as the usually assumed quadratic, energy vs center-of-...
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Article
T F -Scaled superconductivity in a fermion-quasiboson mixture with Bose-Einstein condensation
Nonzero center-of-mass momentum Cooper pairs lead to robustly higher superconductingT c values in three as well as in two dimensions, compared with BCST ...
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Article
Quantum binding of the BCS interaction model
The Schrödinger (as opposed to the Cooper or BCS-gap) equation is solved without approximation in momentum space for the BCS interaction model to obtain the quantum bound-state spectrum of an isolated pair of ...
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Chapter
Quantum Thermodynamic Perturbation Theory for Fermions
The quantum version of classical thermodynamic perturbation theory is applied to the ground state of a fluid of spin-1/2 fermions interacting via the Aziz interatomic potential, as a model for liquid 3He. Results...
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Chapter
Lennard-Jones Boson Matter in the Thermodynamic Perturbation Scheme
The thermodynamic perturbation scheme for the very successful construction of classical liquid equations of state is applied in the quantum regime to the ground-state energy of a many-boson system interacting ...