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Atoms, Volume 13, Issue 3

2025 March - 3 articles

Cover Story: The study of dipolar gases represents an interesting sandbox for many branches of physics due to their anisotropic, long-range interactions. Placing Bosonic impurities in these systems adds a new level of complexity, with this modification currently being investigated by many groups. Using the quasi-2D Gross–Pitaevskii Equation, we theoretically study systems confined in the less-explored 2D space using coordinate space and examine changes in particle density and self-energy using experimentally relevant dipolar impurities. We explore multiple confinement geometries, taking the dipole polarization perpendicular to as well as that parallel to the 2D plane. This allows us to examine extreme cases of dipole–dipole interaction. Our results build on those obtained for zero-range interactions and works conducted in momentum space. View this paper

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12 Pages

Properties of a Static Dipolar Impurity in a 2D Dipolar BEC

Neelam Shukla and
Jeremy R. Armstrong

Atoms2025, 13(3), 24;https://doi.org/10.3390/atoms13030024

10 March 2025

We study a system of ultra-cold dipolar Bose gas atoms confined in a two-dimensional (2D) harmonic trap with a dipolar impurity implanted at the center of the trap. Due to recent experimental progress in dipolar condensates, we focused on calculating...

(This article belongs to the Section Cold Atoms, Quantum Gases and Bose-Einstein Condensation)

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1 Citations

2,300 Views

10 Pages

Theoretical Investigation on Vortex Electron Impact Excitation of a Mg Atom Confined in a Solid-State Environment

Sophia Strnat,
Aloka K. Sahoo,
Lalita Sharma,
Jonas Sommerfeldt and ,
Daesung Park,
Christian Bick and
Andrey Surzhykov
+ 2 authors+ 0 author

Atoms2025, 13(3), 23;https://doi.org/10.3390/atoms13030023

24 February 2025

We present a theoretical investigation of the inelastic scattering of vortex electrons by many-electron atoms embedded in a solid-state environment. Special emphasis is placed on the probability of exciting a target atom and on the relative populatio...

(This article belongs to the Special Issue 21st International Conference on the Physics of Highly Charged Ions)

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3 Citations

2,830 Views

10 Pages

Stopping Power of Iron for Protons: Theoretical Calculations from Very Low to High Energies

Jesica P. Peralta,
Alejandra M. P. Mendez,
Dario M. Mitnik and
Claudia C. Montanari

Atoms2025, 13(3), 22;https://doi.org/10.3390/atoms13030022

20 February 2025

The energy loss in iron can serve as valuable knowledge due to its extended use in technological applications and open topics in fundamental physics. The electronic structure of solid Fe is challenging, given that it is the first of the groups of tra...

(This article belongs to the Special Issue 21st International Conference on the Physics of Highly Charged Ions)

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Atoms - ISSN 2218-2004

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