Breakdown of scale invariance in a quasi-two-dimensional Bose gas due to the presence of the third dimension
K Merloti, R Dubessy, L Longchambon, M Olshanii… - Physical Review A, 2013 - APS
K Merloti, R Dubessy, L Longchambon, M Olshanii, H Perrin
Physical Review A, 2013•APSIn this Rapid Communication, we describe how the presence of the third dimension may
break the scale invariance in a two-dimensional Bose gas in a pancake-shaped trap. From
the two-dimensional perspective, the possibility of a weak spilling of the atomic density
beyond the ground state of the confinement alters the two-dimensional chemical potential; in
turn, this correction no longer supports scale invariance. We compare experimental data
with numerical and analytic perturbative results and find a good agreement.
break the scale invariance in a two-dimensional Bose gas in a pancake-shaped trap. From
the two-dimensional perspective, the possibility of a weak spilling of the atomic density
beyond the ground state of the confinement alters the two-dimensional chemical potential; in
turn, this correction no longer supports scale invariance. We compare experimental data
with numerical and analytic perturbative results and find a good agreement.
In this Rapid Communication, we describe how the presence of the third dimension may break the scale invariance in a two-dimensional Bose gas in a pancake-shaped trap. From the two-dimensional perspective, the possibility of a weak spilling of the atomic density beyond the ground state of the confinement alters the two-dimensional chemical potential; in turn, this correction no longer supports scale invariance. We compare experimental data with numerical and analytic perturbative results and find a good agreement.
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