Slow Dynamics of the Cyclic Osmoregulated Periplasmic Glucan ofRalstonia solanacearumAs Revealed by Heteronuclear Relaxation Studies

1998 ◽  
Vol 120 (1) ◽  
pp. 170-177 ◽  
Author(s):  
G. Lippens ◽  
J.-M. Wieruszeski ◽  
D. Horvath ◽  
P. Talaga ◽  
J.-P. Bohin
1983 ◽  
Vol 44 (C3) ◽  
pp. C3-1095-C3-1097
Author(s):  
T. Takahashi ◽  
F. Creuzet ◽  
D. Jérôme ◽  
J. M. Fabre

2015 ◽  
Vol 8 (3) ◽  
pp. 2176-2188 ◽  
Author(s):  
Keisham Nanao Singh

This article reports on the Dielectric Relaxation Studies of two Liquid Crystalline compounds - 7O.4 and 7O.6 - doped with dodecanethiol capped Silver Nanoparticles. The liquid crystal molecules are aligned homeotropically using CTAB. The low frequency relaxation process occurring above 1 MHz is fitted to Cole-Cole formula using the software Dielectric Spectra fit. The effect of the Silver Nanoparticles on the molecular dipole dynamics are discussed in terms of the fitted relaxation times, Cole-Cole distribution parameter and activation energy. The study indicate a local molecular rearrangement of the liquid crystal molecules without affecting the order of the bulk liquid crystal molecules but these local molecules surrounding the Silver Nanoparticles do not contribute to the relaxation process in the studied frequency range. The observed effect on activation energy suggests a change in interaction between the nanoparticles/liquid crystal molecules.


2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Oliver Hart ◽  
Yuan Wan ◽  
Claudio Castelnovo

AbstractRealistic model Hamiltonians for quantum spin liquids frequently exhibit a large separation of energy scales between their elementary excitations. At intermediate, experimentally relevant temperatures, some excitations are sparse and hop coherently, whereas others are thermally incoherent and dense. Here, we study the interplay of two such species of quasiparticle, dubbed spinons and visons, which are subject to nontrivial mutual statistics – one of the hallmarks of quantum spin liquid behaviour. Our results for $${{\mathbb{Z}}}_{2}$$ Z 2 quantum spin liquids show an intriguing feedback mechanism, akin to the Nagaoka effect, whereby spinons become localised on temperature-dependent patches of expelled visons. This phenomenon has important consequences for the thermodynamic and transport properties of the system, as well as for its response to quenches in temperature. We argue that these effects can be measured in experiments and may provide viable avenues for obtaining signatures of quantum spin liquid behaviour.


2021 ◽  
Vol 31 (5) ◽  
pp. 053125
Author(s):  
Luciano A. Magrini ◽  
Margarete Oliveira Domingues ◽  
Elbert E. N. Macau ◽  
István Z. Kiss
Keyword(s):  

2021 ◽  
Vol 125 (3) ◽  
pp. 841-849 ◽  
Author(s):  
Krzysztof Tadyszak ◽  
Radosław Mrówczyński ◽  
Raanan Carmieli

Nature ◽  
1970 ◽  
Vol 228 (5270) ◽  
pp. 456-457 ◽  
Author(s):  
A. SUGGETT ◽  
P. A. MACKNESS ◽  
M. J. TAIT ◽  
H. W. LOEB ◽  
G. M. YOUNG

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