Spin dynamics in a Tomonaga Luttinger liquid
We propose to investigate the spin dynamics in Ba2Co2V2O8, which may be considered as an experimental realization of a Tomonaga Luttinger liquid at very low temperature and above a magnetic field of 4 T. We especially would like to concentrate on the cross over around 8 T, predicted by theory, from a regime where longitudinal incommensurate correlations dominate towards a regime dominated by transverse and commensurate ones around the antiferromagnetic position. This cross over is in principle encoded in the spin dynamics making inelastic neutron scattering the best tool to study this feature. For this purpose, we apply for 8 days of beamtime on IN5, using the 10 T magnet equipped with a dilution insert.
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GRENIER Beatrice; FAURE Quentin; OLLIVIER Jacques; PETIT Sylvain and SIMONET Virginie. (2020). Spin dynamics in a Tomonaga Luttinger liquid. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-05-737
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