String melting of the floating phase in antiferromagnetic clock models

1985 ◽  
Vol 31 (1) ◽  
pp. 266-275 ◽  
Author(s):  
Marcel den Nijs
Keyword(s):  
Clock Models ◽  
Floating Phase

scholarly journals Onsager symmetries in $U(1)$ -invariant clock models

2019 ◽  
Vol 2019 (4) ◽  
pp. 043107 ◽  
Author(s):  
Eric Vernier ◽  
Edward O’Brien ◽  
Paul Fendley
Keyword(s):  
Clock Models

Cinematographic and electromyographic analysis of vertical standing jump in the dog

1979 ◽  
Vol 83 (1) ◽  
pp. 271-282
Author(s):  
M. Tokuriki
Keyword(s):  
Skeletal Muscles ◽  
Lower Extremities ◽  
Axial Skeleton ◽  
The Body ◽  
Wire Electrode ◽  
Centre Of Gravity ◽  
Electrode Method ◽  
Electromyographic Analysis ◽  
Floating Phase

The electromyograms of 37 skeletal muscles were obtained using the bipolar wire electrode method in the vertical standing jump of a dog. Their electromyographic patterns were analyzed in conjunction with cinematographic films. Co-contraction of muscles of the extremities was observed during take-off and landing. Electromyograms also revealed that the forelimbs were accelerated against the body just after take-off and that the fore quarters transferred the centre of gravity of the body in a much more complicated movement than the hind quarters. In the floating phase, the muscles of the lower extremities had no activity, apart from some proximal ones. That the muscles of the four extremities exhibited their activity just before landing indicates that the activity may have been controlled by a central programme. In the vertical standing jump, the dog brings the centre of gravity of the body near to the kicking or landing paws by skillful movement of the axial skeleton. Cinematography revealed that, in the leaping gallop gait, the dog makes a similar movement of its axial skeleton.

scholarly journals Supersymmetry and multicriticality in a ladder of constrained fermions

2021 ◽  
Vol 11 (3) ◽  
Author(s):  
Natalia Chepiga ◽  
Jiří Minář ◽  
Kareljan Schoutens
Keyword(s):  
Phase Diagram ◽  
Density Wave ◽  
Valence Bond ◽  
Lattice Models ◽  
Numerical Data ◽  
Universality Class ◽  
Density Profiles ◽  
Valence Bond Solid ◽  
Floating Phase ◽  
Solid Type

Supersymmetric lattice models of constrained fermions are known to feature exotic phenomena such as superfrustration, with an extensive degeneracy of ground states, the nature of which is however generally unknown. Here we address this issue by considering a superfrustrated model, which we deform from the supersymetric point. By numerically studying its two-parameter phase diagram, we reveal a rich phenomenology. The vicinity of the supersymmetric point features period-4 and period-5 density waves which are connected by a floating phase (incommensurate Luttinger liquid) with smoothly varying density. The supersymmetric point emerges as a multicritical point between these three phases. Inside the period-4 phase we report a valence-bond solid type ground state that persists up to the supersymmetric point. Our numerical data for transitions out of density-wave phases are consistent with the Pokrovsky-Talapov universality class. Furthermore, our analysis unveiled a period-3 phase with a boundary determined by a competition between single and two-particle instabilities accompanied by a doubling of the wavevector of the density profiles along a line in the phase diagram.

scholarly journals Floating phase in a 2D ANNNI model

2007 ◽  
Vol 40 (24) ◽  
pp. 6251-6265 ◽  
Author(s):  
Anjan Kumar Chandra ◽  
Subinay Dasgupta
Keyword(s):  
Annni Model ◽  
Floating Phase

scholarly journals Floating phase in a dissipative Josephson junction array

2005 ◽  
Vol 72 (6) ◽  
Author(s):  
Sumanta Tewari ◽  
John Toner ◽  
Sudip Chakravarty
Keyword(s):  
Josephson Junction ◽  
Josephson Junction Array ◽  
Junction Array ◽  
Floating Phase
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