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Atomic-Molecular Condensates with Large Positive Scattering Length
Aurel Bulgac, Paulo F. Bedaque
We show that in the limit of large and positive atom--atom scattering length the properties of an atomic--molecular Bose--Einstein Condensate (amBEC) are determined by an universal…
Quantum Corrections to Dilute Bose Liquids
Paulo F. Bedaque, Aurel Bulgac, Gautam Rupak
It was recently shown (A. Bulgac. Phys. Rev. Lett. {\bf 89}, 050402 (2002)) that an entirely new class of quantum liquids with widely tunable properties could be manufactured from…
Low Energy Expansion in the Three Body System to All Orders and the Triton Channel
Paulo F. Bedaque, Harald W. Griesshammer, H. -W. Hammer +1
We extend and systematise the power counting for the three-body system, in the context of the ``pion-less'' Effective Field Theory approach, to all orders in the low-energy expansi…
Dilute resonating gases and the third virial coefficient
Paulo F. Bedaque, Gautam Rupak
We study dilute gases with short range interactions and large two-body scattering lengths. At temperatures between the condensation temperature and the scale set by therange of the…
Effective Field Theory for Few-Nucleon Systems
P. F. Bedaque, U. van Kolck
We review the effective field theories (EFTs) developed for few-nucleon systems. These EFTs are controlled expansions in momenta, where certain (leading-order) interactions are sum…