dorsal/arxiv
View SchemaPair condensation and bound states in fermionic systems
| Authors | Armen Sedrakian, John W. Clark |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0511076 |
| URL | https://arxiv.org/abs/nucl-th/0511076 |
| DOI | 10.1103/PhysRevC.73.035803 |
| Journal | Phys.Rev.C73:035803,2006 |
Abstract
We study the finite temperature-density phase diagram of an attractive fermionic system that supports two-body (dimer) and three-body (trimer) bound states in free space. Using interactions characteristic for nuclear systems, we obtain the critical temperature T_c2 for the superfluid phase transition and the limiting temperature T_c3 for the extinction of trimers. The phase diagram features a Cooper-pair condensate in the high-density, low-temperature domain which, with decreasing density, crosses over to a Bose condensate of strongly bound dimers. The high-temperature, low-density domain is populated by trimers whose binding energy decreases toward the density-temperature domain occupied by the superfluid and vanishes at a critical temperature T_c3 > T_c2.
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"abstract": "We study the finite temperature-density phase diagram of an attractive\nfermionic system that supports two-body (dimer) and three-body (trimer) bound\nstates in free space. Using interactions characteristic for nuclear systems, we\nobtain the critical temperature T_c2 for the superfluid phase transition and\nthe limiting temperature T_c3 for the extinction of trimers. The phase diagram\nfeatures a Cooper-pair condensate in the high-density, low-temperature domain\nwhich, with decreasing density, crosses over to a Bose condensate of strongly\nbound dimers. The high-temperature, low-density domain is populated by trimers\nwhose binding energy decreases toward the density-temperature domain occupied\nby the superfluid and vanishes at a critical temperature T_c3 \u003e T_c2.",
"arxiv_id": "nucl-th/0511076",
"authors": [
"Armen Sedrakian",
"John W. Clark"
],
"categories": [
"nucl-th",
"astro-ph",
"cond-mat.supr-con"
],
"doi": "10.1103/PhysRevC.73.035803",
"journal_ref": "Phys.Rev.C73:035803,2006",
"title": "Pair condensation and bound states in fermionic systems",
"url": "https://arxiv.org/abs/nucl-th/0511076"
},
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