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Discrete Parity-Time Symmetric Nonlinear Schrodinger Lattices
Lattices Parity-time Symmetry Schrodinger
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2014/12/8
In this thesis we summarize the classical cases of one-dimensional oligomers and two dimensional plaquettes, respecting the parity-time (PT ) symmetry. We examine different types of solutions of such ...
Quantum criticality in disordered bosonic optical lattices
Quantum criticality disordered bosonic optical lattices
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2010/11/25
Using the exact Bose-Fermi mapping, we study universal properties of ground-state density distributions and finite-temperature quantum critical behavior of one-dimensional hard-core bosons in trapped ...
Density of states in random lattices with translational invariance
Density of states random lattices with translational invariance
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2010/11/22
We propose a random matrix approach to describe vibrational excitations in disordered systems.
The dynamical matrix M is taken in the form M = AAT where A is some real (not generally
symmetric) rand...
Fat-tailed and compact random-field Ising models on cubic lattices
Random-Field Ising Model Fat tails Compact distributions
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2010/11/23
Using a single functional form which is able to represent several different classes of
statistical distributions, we introduce a preliminary study of the ferromagnetic Ising model
on the cubic latti...