First-Order Quantum Correction to the Ground-State Energy Density of Two-Dimensional Hard-Sphere Bose Atoms
Divergence exponents of the first-order quantum correction of a two-dimensional hard-sphere Bose atoms are obtained by an effective field theory method. The first-order correction to the ground-state energy density with respect to the zeroth-order is given by E1/E0∼ |D-2|-α|lnγ| -α′ where D is the spatial dimension, and γ is the gas parameter (γ = naD). As D →2, α = α′ = 1. We show that the first-order quantum correction of the energy density is not perturbative in low dimensions of D < 2.2...[Show more]
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|Source:||International Journal of Modern Physics B|
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