Phase diagram of one-dimensional earth-alkaline cold fermionic atoms

Details Phase diagram of one-dimensional earth-alkaline cold fermionic atoms Phase diagram of one-dimensional earth-alkaline cold fermionic atoms

2010-12-09

arxiv.org/abs/1012.2036v1

Mod. Phys. Lett. B, 25 (2011) 955-962

Physics

Condensed Matter

Quantum Gases

Proceedings of StatPhys 24 satellite conference in Hanoi, 8 pages, 8 figures

Scientific paper

10.1142/S0217984911026668

The phase diagram of one-dimensional earth-alkaline fermionic atoms and ytterbium 171 atoms is investigated by means of a low-energy approach and density-matrix renormalization group calculations. For incommensurate filling, four gapless phases with a spin gap are found and consist of two superconducting instabilities and two coexisting bond and charge density-waves instabilities. In the half-filled case, seven Mott-insulating phases arise with the emergence of four non-degenerate phases with exotic hidden orderings.

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