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Open AccessArticle

Zero-Temperature Equation of State of a Two-Dimensional Bosonic Quantum Fluid with Finite-Range Interaction

Dipartimento di Fisica e Astronomia “Galileo Galilei” and CNISM, Università di Padova, Via Marzolo 8, I-35131 Padova, Italy
Condens. Matter 2019, 4(1), 20; https://doi.org/10.3390/condmat4010020
Received: 20 January 2019 / Revised: 30 January 2019 / Accepted: 30 January 2019 / Published: 3 February 2019
We derive the two-dimensional equation of state for a bosonic system of ultracold atoms interacting with a finite-range effective interaction. Within a functional integration approach, we employ a hydrodynamic parameterization of the bosonic field to calculate the superfluid equations of motion and the zero-temperature pressure. The ultraviolet divergences, naturally arising from the finite-range interaction, are regularized with an improved dimensional regularization technique. View Full-Text
Keywords: Bose–Einstein condensation; ultracold atoms; finite-range; equation of state; two-dimensional Bose–Einstein condensation; ultracold atoms; finite-range; equation of state; two-dimensional
MDPI and ACS Style

Tononi, A. Zero-Temperature Equation of State of a Two-Dimensional Bosonic Quantum Fluid with Finite-Range Interaction. Condens. Matter 2019, 4, 20. https://doi.org/10.3390/condmat4010020

AMA Style

Tononi A. Zero-Temperature Equation of State of a Two-Dimensional Bosonic Quantum Fluid with Finite-Range Interaction. Condensed Matter. 2019; 4(1):20. https://doi.org/10.3390/condmat4010020

Chicago/Turabian Style

Tononi, Andrea. 2019. "Zero-Temperature Equation of State of a Two-Dimensional Bosonic Quantum Fluid with Finite-Range Interaction" Condens. Matter 4, no. 1: 20. https://doi.org/10.3390/condmat4010020

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