Thermal liquid-gas phase transition in a quasi-one-dimensional dipolar Fermi gas
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866909953517682688 |
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| author | Gao, Lanxuan Takayama, Koki Tajima, Hiroyuki Doi, Takahiro M. Liang, Haozhao |
| author_facet | Gao, Lanxuan Takayama, Koki Tajima, Hiroyuki Doi, Takahiro M. Liang, Haozhao |
| contents | We theoretically investigate thermodynamic properties in a quasi-one-dimensional single-component dipolar Fermi gas at finite temperatures. The self-bound fermionic droplet can be achieved by exchange correlations with the long-range dipole-dipole interactions under the quasi-one-dimensional confinement, where the interaction can be tuned by tilting the dipoles along the system coordinate. Using the Hartree-Fock approximation, we show how the liquid-gas phase transition occurs in this system, and elucidate the finite-temperature phase structure consisting of the gas phase, liquid phase, their coexistence, and the spinodal phase. We also discuss its similarity with the liquid-gas phase transition in nuclear matter through the comparison with phenomenological models. Our results would be useful for an interdisciplinary understanding of self-bound fermionic matter as well as an analog quantum simulation of nuclear systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_09252 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Thermal liquid-gas phase transition in a quasi-one-dimensional dipolar Fermi gas Gao, Lanxuan Takayama, Koki Tajima, Hiroyuki Doi, Takahiro M. Liang, Haozhao Quantum Gases Nuclear Theory We theoretically investigate thermodynamic properties in a quasi-one-dimensional single-component dipolar Fermi gas at finite temperatures. The self-bound fermionic droplet can be achieved by exchange correlations with the long-range dipole-dipole interactions under the quasi-one-dimensional confinement, where the interaction can be tuned by tilting the dipoles along the system coordinate. Using the Hartree-Fock approximation, we show how the liquid-gas phase transition occurs in this system, and elucidate the finite-temperature phase structure consisting of the gas phase, liquid phase, their coexistence, and the spinodal phase. We also discuss its similarity with the liquid-gas phase transition in nuclear matter through the comparison with phenomenological models. Our results would be useful for an interdisciplinary understanding of self-bound fermionic matter as well as an analog quantum simulation of nuclear systems. |
| title | Thermal liquid-gas phase transition in a quasi-one-dimensional dipolar Fermi gas |
| topic | Quantum Gases Nuclear Theory |
| url | https://arxiv.org/abs/2512.09252 |