Nonlocal thermal diffusion in one-dimensional periodic lattice

2021 ◽  
Vol 180 ◽  
pp. 121753
Author(s):  
Vincent Picandet ◽  
Noël Challamel
Keyword(s):  
Thermal Diffusion ◽  
Periodic Lattice ◽  
One Dimensional

X-ray diffuse scattering as precursor of incommensurate Peierls transitions in one-dimensional organic charge transfer conductors

2004 ◽  
Vol 219 (11) ◽  
Author(s):  
Jean-Paul Pouget
Keyword(s):  
Charge Transfer ◽  
Charge Density Wave ◽  
Diffuse Scattering ◽  
Lattice Distortion ◽  
Density Wave ◽  
Periodic Lattice ◽  
One Dimensional ◽  
X Ray ◽  
Charge Transfer Salts ◽  
A Charge

AbstractQuasi-one dimensional (1D) conductors of the TTF-TCNQ family of charge transfer salts exhibit a Peierls transition which stabilizes a periodic lattice distortion (PLD), accompanied by a charge density wave (CDW) modulation, with an incommensurate 2

On Bose-Einstein condensation in one-dimensional lattices of delta functions

2020 ◽  
Vol 35 (03) ◽  
pp. 2040005 ◽  
Author(s):  
M. Bordag
Keyword(s):  
Dimensional Case ◽  
Einstein Condensation ◽  
Periodic Lattice ◽  
Spectral Functions ◽  
One Dimensional ◽  
Bose Einstein Condensation ◽  
Free Case ◽  
Delta Functions ◽  
The One ◽  
Bose Einstein

We investigate Bose-Einstein condensation of a gas of non-interacting Bose particles moving in the background of a periodic lattice of delta functions. In the one-dimensional case, where one has no condensation in the free case, we showed that this property persist also in the presence of the lattice. In addition we formulated some conditions on the spectral functions which would allow for condensation.

scholarly journals NUMERICAL CALCULATION OF THE COMPLEX BERRY PHASE IN NON-HERMITIAN SYSTEMS

2017 ◽  
Vol 57 (6) ◽  
pp. 470 ◽  
Author(s):  
Marcel Wagner ◽  
Felix Dangel ◽  
Holger Cartarius ◽  
Jörg Main ◽  
Günter Wunner
Keyword(s):  
Berry Phase ◽  
Tight Binding ◽  
Analytical Calculation ◽  
Periodic Lattice ◽  
Topological Phases ◽  
Lattice Systems ◽  
One Dimensional ◽  
Berry Phases ◽  
Biorthogonal Basis ◽  
Smoothing Procedure

We numerically investigate topological phases of periodic lattice systems in tight-binding description under the influence of dissipation. The effects of dissipation are effectively described by <em>PT</em>-symmetric potentials. In this framework we develop a general numerical gauge smoothing procedure to calculate complex Berry phases from the biorthogonal basis of the system's non-Hermitian Hamiltonian. Further, we apply this method to a one-dimensional <em>PT</em>-symmetric lattice system and verify our numerical results by an analytical calculation.

Sign in / Sign up

Export Citation Format

Share Document