Superfluidity of Hydrogenlike Gas in a Strong Magnetic Field ?
Dong Lai (Caltech)
TL;DR
This paper refutes the claim that hydrogenlike gases become superfluid in strong magnetic fields, showing that molecular formation prevents Bose-Einstein condensation and superfluidity.
Contribution
It provides a theoretical refutation of superfluidity in hydrogenlike gases under strong magnetic fields due to molecular bonding.
Findings
Molecules form via covalent bonds along the magnetic field
Molecular formation prevents Bose-Einstein condensation
Superfluidity in hydrogenlike gases under strong magnetic fields is unlikely
Abstract
The recent claim that in a strong magnetic field hydrogenlike gas (e.g., excitons in certain semiconductors, neutron star surface layers) becomes superfluid is refuted. Molecules form by strong covalent bond along the magnetic field axis, which prohibits Bose-Einstein condensation.
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