Time-dependent correlations in quantum magnets at finite temperature

In this Rapid Communication we investigate the time dependence of the gap mode of copper nitrate at various temperatures. We combine state-of-the-art theoretical calculations with high precision neutron resonance spin-echo measurements to understand the anomalous decoherence effects found previously in this material. It is shown that the time domain offers a complementary view on this phenomenon, which allows us to directly compare experimental data and theoretical predictions without the need of further intensive data analysis, such as (de)convolution.


Published in:
Physical Review B, 94, 18, 180404
Year:
2016
Publisher:
College Pk, Amer Physical Soc
ISSN:
2469-9950
Laboratories:




 Record created 2017-01-24, last modified 2018-09-13

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