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Spin-polarized hydrogen and its isotopes : a rich class of quantum phases (CROSBI ID 192332)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Bešlić, Ivana ; Vranješ Markić, Leandra ; Boronat, Jordi Spin-polarized hydrogen and its isotopes : a rich class of quantum phases // Low temperature physics, 39 (2013), 10; 857-873. doi: 10.1063/1.4823490

Podaci o odgovornosti

Bešlić, Ivana ; Vranješ Markić, Leandra ; Boronat, Jordi

engleski

Spin-polarized hydrogen and its isotopes : a rich class of quantum phases

We review the recent activity in the theoretical description of spin-polarized atomic hydrogen and its isotopes at very low temperatures. Spin-polarized hydrogen is the only system in nature that remains stable in the gas phase even in the zero temperature limit due to its small mass and weak interatomic interaction. Hydrogen and its heavier isotope tritium are bosons, the heavier mass of tritium producing a self-bound (liquid) system at zero temperature. The other isotope, deuterium, is a fermion with nuclear spin one making possible the study of three different quantum systems depending on the population of the three degenerate spin states. From the theoretical point of view, spin-polarized hydrogen is specially appealing because its interatomic potential is very accurately known making possible its precise quantum many-body study. The experimental study of atomic hydrogen has been very difficult due to its high recombination rate, but it finally led to its Bose-Einstein condensate state in 1998. Degeneracy has also been observed in thin films of hydrogen adsorbed on the 4He surface allowing for the possibility of observing the Berezinskii-Kosterlitz-Thouless superfluid transition.

spin-polarized hydrogen; Monte Carlo methods; quantum liquid; quantum gas; equation of state

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Podaci o izdanju

39 (10)

2013.

857-873

objavljeno

1063-777X

10.1063/1.4823490

Povezanost rada

Fizika

Poveznice
Indeksiranost