[HTML][HTML] Critical casimir effect: Exact results

DM Dantchev, S Dietrich - Physics Reports, 2023 - Elsevier
In any medium there are fluctuations due to temperature or due to the quantum nature of its
constituents. If a material body is immersed into such a medium, its shape and the properties …

Coalescence of two impurities in a trapped one-dimensional bose gas

AS Dehkharghani, AG Volosniev, NT Zinner - Physical Review Letters, 2018 - APS
We study the ground state of a one-dimensional (1D) trapped Bose gas with two mobile
impurity particles. To investigate this setup, we develop a variational procedure in which the …

Quantum vacuum effects in nonrelativistic quantum field theory

M Edmonds, A Flachi, M Pasini - Physical Review D, 2023 - APS
Nonlinearities in the dispersion relations associated with different interactions designs,
boundary conditions, and the existence of a physical cutoff scale can alter the quantum …

[HTML][HTML] Finite-size effect of a weakly interacting Bose gas at zero-temperature

PT Song - Physics Letters A, 2022 - Elsevier
We investigate the quantum fluctuation of a weakly interacting Bose gas confined between
two parallel plates at zero temperature within two-loop approximation of the Cornwall-Jackiw …

[HTML][HTML] The Casimir effect in a dilute Bose gas at zero-temperature taking into account the contribution of self-energy within CJT theory

PT Song - Physics Letters A, 2023 - Elsevier
The Casimir effect in a weakly interacting Bose-Einstein condensate (BEC) gas is
investigated at zero temperature within the Cornwall-Jackiw-Tomboulis (CJT) effective …

Casimir force of two-component Bose–Einstein condensates confined by a parallel plate geometry

N Van Thu, LT Theu - Journal of Statistical Physics, 2017 - Springer
Using field theory we calculate the Casimir energy and Casimir force of two-component
Bose-Einstein condensates restricted between two parallel plates, in which Dirichlet and …

Casimir effect in a weakly interacting Bose gas confined by a parallel plate geometry in improved Hartree–Fock approximation

N Van Thu, PT Song - Physica A: Statistical Mechanics and its Applications, 2020 - Elsevier
Within framework of the quantum field theory, in improved Hartree–Fock (IHF)
approximation, the Casimir effect in a dilute single Bose–Einstein condensate (BEC) …

Finite-size effect on Bose–Einstein condensate mixtures in improved Hartree–Fock approximation

NV Thu, LT Theu - International Journal of Modern Physics B, 2019 - World Scientific
By means of Cornwal–Jackiw–Tomboulis effective action approach we considered the finite-
size effect on Bose–Einstein condensate mixtures confined between two parallel palates …

The Casimir effect in a weakly interacting Bose gas

PT Song, N Van Thu - Journal of Low Temperature Physics, 2021 - Springer
By means of the quantum field theory, the Casimir effect in an interacting Bose gas confined
between two parallel plates is considered in the one-loop approximation. The Casimir effect …

[HTML][HTML] The forces on a single interacting Bose–Einstein condensate

N Van Thu - Physics Letters A, 2018 - Elsevier
Using double parabola approximation for a single Bose–Einstein condensate confined
between double slabs we proved that in grand canonical ensemble (GCE) the ground state …