Results 31 to 40 of about 681,943 (375)

Quasiparticle Properties of a Mobile Impurity in a Bose-Einstein Condensate. [PDF]

open access: yesPhysical Review Letters, 2015
We develop a systematic perturbation theory for the quasiparticle properties of a single impurity immersed in a Bose-Einstein condensate. Analytical results are derived for the impurity energy, effective mass, and residue to third order in the impurity ...
Rasmus S. Christensen   +2 more
semanticscholar   +1 more source

Impurities in UBe 13

open access: yesJournal of Magnetism and Magnetic Materials, 1987
Des impuretes de gadolinium dans UBe 13 abaissent la temperature de transition supraconductrice avec un taux initial de −0,40 K/% tandis que pour Th 0,029 U 0,971 Be 13 , le taux initial est seulement −0,19 K/%. Ceci suggere l'existence de deux etats supraconducteurs differents.
Smith, JL   +6 more
openaire   +3 more sources

Motion of a distinguishable impurity in the Bose gas: Arrested expansion without a lattice and impurity snaking [PDF]

open access: yes, 2016
We consider the real time dynamics of an initially localized distinguishable impurity injected into the ground state of the Lieb-Liniger model. Focusing on the case where integrability is preserved, we numerically compute the time evolution of the ...
Caux, Jean-Sébastien   +2 more
core   +3 more sources

Impurity in a Bose-Einstein condensate: Study of the attractive and repulsive branch using quantum Monte Carlo methods [PDF]

open access: yes, 2015
We investigate the properties of an impurity immersed in a dilute Bose gas at zero temperature using quantum Monte-Carlo methods. The interactions between bosons are modeled by a hard sphere potential with scattering length $a$, whereas the interactions ...
L. A. P. Ardila, S. Giorgini
semanticscholar   +1 more source

Numerical Simulation of Carbon Dioxide–Nitrogen Mixture Dissolution in Water-Saturated Porous Media: Considering Cross-Diffusion Effects

open access: yesFluids, 2023
The possibility of impure carbon dioxide (CO2) sequestration can reduce the cost of these projects and facilitate their widespread adoption. Despite this, there are a limited number of studies that address impure CO2 sequestration aspects. In this study,
Saeed Mahmoodpour   +4 more
doaj   +1 more source

Impurity-bound states and Green's function zeros as local signatures of topology [PDF]

open access: yes, 2015
We show that the local in-gap Green's function of a band insulator ${\mathbf{G}}_{0}(\ensuremath{\epsilon},{\mathbf{k}}_{\ensuremath{\parallel}},{\mathbf{r}}_{\ensuremath{\perp}}=0)$, with ${\mathbf{r}}_{\ensuremath{\perp}}$ the position perpendicular to
Robert-Jan Slager   +3 more
semanticscholar   +1 more source

Capacitance Properties and Durability of Various Single-Walled Carbon Nanotube Electrodes for Electric Double Layer Capacitor

open access: yesElectrochemistry, 2020
Recently, the single-walled carbon nanotube (SWCNT) has been the focus as a durable electrode with a high rate performance for the electric double layer capacitor (EDLC).
Izuru SHIMABUKURO   +2 more
doaj   +1 more source

Impurity Properties of Inversion Layers with Electronic and Substrate Quantum Screening

open access: yesCrystals, 2023
In this paper, the combined effect of electronic and substrate screening on impurity states in inversion layers is investigated theoretically. An explicit expression of the screened impurity interaction potential with an effective screening parameter ...
Kamo Aharonyan   +2 more
doaj   +1 more source

Entangling Lattice-Trapped Bosons with a Free Impurity: Impact on Stationary and Dynamical Properties

open access: yesEntropy, 2021
We address the interplay of few lattice trapped bosons interacting with an impurity atom in a box potential. For the ground state, a classification is performed based on the fidelity allowing to quantify the susceptibility of the composite system to ...
Maxim Pyzh   +3 more
doaj   +1 more source

Charge dependence of neoclassical and turbulent transport of light impurities on MAST [PDF]

open access: yes, 2015
Carbon and nitrogen impurity transport coefficients are determined from gas puff experiments carried out during repeat L-mode discharges on the Mega-Amp Spherical Tokamak (MAST) and compared against a previous analysis of helium impurity transport on ...
Casson, F. J.   +10 more
core   +2 more sources

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