scholarly journals Symmetry-breaking dynamics of the modulational instability spectrum

2011 ◽  
Author(s):  
Maxime Droques ◽  
Benoit Barviau ◽  
Alexandre Kudlinski ◽  
Majid Taki ◽  
Anne Boucon ◽  
...  
Keyword(s):  
Symmetry Breaking ◽  
Modulational Instability ◽  
Symmetry Breaking Dynamics

scholarly journals Symmetry-breaking dynamics of the modulational instability spectrum

2011 ◽  
Vol 36 (8) ◽  
pp. 1359 ◽  
Author(s):  
M. Droques ◽  
B. Barviau ◽  
A. Kudlinski ◽  
M. Taki ◽  
A. Boucon ◽  
...  
Keyword(s):  
Symmetry Breaking ◽  
Modulational Instability ◽  
Symmetry Breaking Dynamics

Inhomogeneous to homogeneous dynamical states through symmetry breaking dynamics

2019 ◽  
Vol 98 (1) ◽  
pp. 327-340
Author(s):  
K. Sathiyadevi ◽  
V. K. Chandrasekar ◽  
D. V. Senthilkumar
Keyword(s):  
Symmetry Breaking ◽  
Symmetry Breaking Dynamics

D–A3 TADF emitters: the role of the density of states for achieving faster triplet harvesting rates

2019 ◽  
Vol 7 (41) ◽  
pp. 12942-12952 ◽  
Author(s):  
Julien Eng ◽  
Jerry Hagon ◽  
Thomas James Penfold
Keyword(s):  
Electronic Structure ◽  
Excited State ◽  
Symmetry Breaking ◽  
Density Of States ◽  
Organic Molecule ◽  
Symmetry Breaking Dynamics ◽  
Triplet Harvesting

A D–A3 structure is used to enhance the triplet harvesting rate of a purely organic molecule. However, excited state symmetry breaking dynamics plays an detrimental role causing localisation of the electronic structure and reducing this rate.

scholarly journals Modelling the vertical grating-waveguide coupler for the description of its nonlinear symmetry-breaking dynamics

2009 ◽  
Vol 282 (17) ◽  
pp. 3607-3611
Author(s):  
M. Delqué ◽  
A. Dewandre ◽  
K. Phan Huy ◽  
S.-P. Gorza ◽  
M. Haelterman
Keyword(s):  
Symmetry Breaking ◽  
Waveguide Coupler ◽  
Vertical Grating ◽  
Symmetry Breaking Dynamics

scholarly journals Phase transition in space: how far does a symmetry bend before it breaks?

2008 ◽  
Vol 366 (1877) ◽  
pp. 2953-2972 ◽  
Author(s):  
Wojciech H Zurek ◽  
Uwe Dorner
Keyword(s):  
Phase Transitions ◽  
Symmetry Breaking ◽  
Order Parameter ◽  
Energy Gap ◽  
Quantum Phase Transitions ◽  
Topological Defects ◽  
Critical Value ◽  
Quantum Ising Model ◽  
The Right ◽  
Symmetry Breaking Dynamics

We extend the theory of symmetry-breaking dynamics in non-equilibrium second-order phase transitions known as the Kibble–Zurek mechanism (KZM) to transitions where the change of phase occurs not in time but in space. This can be due to a time-independent spatial variation of a field that imposes a phase with one symmetry to the left of where it attains critical value, while allowing spontaneous symmetry breaking to the right of that critical borderline. Topological defects need not form in such a situation. We show, however, that the size, in space, of the ‘scar’ over which the order parameter adjusts as it ‘bends’ interpolating between the phases with different symmetries follows from a KZM-like approach. As we illustrate on the example of a transverse quantum Ising model, in quantum phase transitions this spatial scale—the size of the scar—is directly reflected in the energy spectrum of the system: in particular, it determines the size of the energy gap.

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