dorsal/arxiv
View SchemaLuttinger liquid of polarons in one-dimensional boson-fermion mixtures
| Authors | L. Mathey, D. -W. Wang, W. Hofstetter, M. D. Lukin, Eugene Demler |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0401151 |
| URL | https://arxiv.org/abs/quant-ph/0401151 |
| DOI | 10.1103/PhysRevLett.93.120404 |
| Journal | Phys. Rev. Lett. 93, 120404 (2004) |
Abstract
We use bosonization approach to investigate quantum phases in mixtures of bosonic and fermionic atoms confined in one dimensional optical lattices. The phase diagrams can be well understood in terms of polarons, which correspond to atoms that are "dressed" by screening clouds of the other atom species. For a mixture of single species of fermionic and bosonic atoms we find a charge density wave phase, a phase with fermion pairing, and a regime of phase separation. For a mixture of two species of fermionic atoms and one species of bosonic atoms we obtain spin and charge density wave phases, a Wigner crystal phase, singlet and triplet paired states of fermions, and a phase separation regime. Equivalence between the Luttinger liquid description of polarons and the canonical polaron transformation is established and the techniques to detect the resulting quantum phases are discussed.
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"abstract": "We use bosonization approach to investigate quantum phases in mixtures of\nbosonic and fermionic atoms confined in one dimensional optical lattices. The\nphase diagrams can be well understood in terms of polarons, which correspond to\natoms that are \"dressed\" by screening clouds of the other atom species. For a\nmixture of single species of fermionic and bosonic atoms we find a charge\ndensity wave phase, a phase with fermion pairing, and a regime of phase\nseparation. For a mixture of two species of fermionic atoms and one species of\nbosonic atoms we obtain spin and charge density wave phases, a Wigner crystal\nphase, singlet and triplet paired states of fermions, and a phase separation\nregime. Equivalence between the Luttinger liquid description of polarons and\nthe canonical polaron transformation is established and the techniques to\ndetect the resulting quantum phases are discussed.",
"arxiv_id": "quant-ph/0401151",
"authors": [
"L. Mathey",
"D. -W. Wang",
"W. Hofstetter",
"M. D. Lukin",
"Eugene Demler"
],
"categories": [
"quant-ph",
"cond-mat.str-el"
],
"doi": "10.1103/PhysRevLett.93.120404",
"journal_ref": "Phys. Rev. Lett. 93, 120404 (2004)",
"title": "Luttinger liquid of polarons in one-dimensional boson-fermion mixtures",
"url": "https://arxiv.org/abs/quant-ph/0401151"
},
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