TY - JOUR
T1 - Dynamics of a one-dimensional spinor Bose liquid
T2 - A phenomenological approach
AU - Kamenev, A.
AU - Glazman, L. I.
PY - 2009/8/6
Y1 - 2009/8/6
N2 - The ground state of a spinor Bose liquid is ferromagnetic, while the softest excitation above the ground state is the magnon mode. The dispersion relation of the magnon in a one-dimensional liquid is periodic in the wave number q with the period of 2πn, determined by the density n of the liquid. Dynamic correlation functions, such as, e.g., spin-spin correlation function, exhibit power-law singularities at the magnon spectrum, ω→ ωm (q,n). Without using any specific model of the interparticle interactions, we relate the corresponding exponents to independently measurable quantities ∂ ωm /∂q and ∂ ωm /∂n.
AB - The ground state of a spinor Bose liquid is ferromagnetic, while the softest excitation above the ground state is the magnon mode. The dispersion relation of the magnon in a one-dimensional liquid is periodic in the wave number q with the period of 2πn, determined by the density n of the liquid. Dynamic correlation functions, such as, e.g., spin-spin correlation function, exhibit power-law singularities at the magnon spectrum, ω→ ωm (q,n). Without using any specific model of the interparticle interactions, we relate the corresponding exponents to independently measurable quantities ∂ ωm /∂q and ∂ ωm /∂n.
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U2 - 10.1103/PhysRevA.80.011603
DO - 10.1103/PhysRevA.80.011603
M3 - Article
AN - SCOPUS:68549098077
SN - 1050-2947
VL - 80
JO - Physical Review A - Atomic, Molecular, and Optical Physics
JF - Physical Review A - Atomic, Molecular, and Optical Physics
IS - 1
M1 - 011603
ER -