Polarization Suppression and Nonmonotonic Local Two-Body Correlations in the Two-Component Bose Gas in One Dimension - Condensed Matter > Quantum GasesReport as inadecuate




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Abstract: We study the interplay of quantum statistics, strong interactions and finitetemperatures in the two-component spinor Bose gas with repulsivedelta-function interactions in one dimension. Using the Thermodynamic BetheAnsatz, we obtain the equation of state, population densities and local densitycorrelation numerically as a function of all physical parameters interaction,temperature and chemical potentials, quantifying the full crossover betweenlow-temperature ferromagnetic and high-temperature unpolarized regimes. Incontrast to the single-component, Lieb-Liniger gas, nonmonotonic behaviour ofthe local density correlation as a function of temperature is observed.



Author: J.-S. Caux, A. Klauser, J. van den Brink

Source: https://arxiv.org/



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