scholarly journals A one-dimensional many-body integrable model from Zn Belavin model with open boundary conditions

1998 ◽  
Vol 39 (9) ◽  
pp. 4746-4758 ◽  
Author(s):  
Heng Fan ◽  
Bo-Yu Hou ◽  
Guang-Liang Li ◽  
Kang-Jie Shi ◽  
Yan-Shen Wang
2014 ◽  
Vol 115 (19) ◽  
pp. 194309 ◽  
Author(s):  
Daniel Chiruta ◽  
Jorge Linares ◽  
Seiji Miyashita ◽  
Kamel Boukheddaden

1998 ◽  
Vol 13 (24) ◽  
pp. 4213-4226 ◽  
Author(s):  
GUO-XING JU ◽  
SHI-KUN WANG ◽  
KE WU ◽  
CHI XIONG

We analyze the symmetries of the reflection equation for open XYZ model and find their solutions K± case by case. In the general open boundary conditions, the Lax pair for open one-dimensional XYZ spin-chain is given.


2021 ◽  
Vol 4 (1) ◽  
Author(s):  
Linhu Li ◽  
Ching Hua Lee ◽  
Jiangbin Gong

AbstractNon-Hermitian systems have been shown to have a dramatic sensitivity to their boundary conditions. In particular, the non-Hermitian skin effect induces collective boundary localization upon turning off boundary coupling, a feature very distinct from that under periodic boundary conditions. Here we develop a full framework for non-Hermitian impurity physics in a non-reciprocal lattice, with periodic/open boundary conditions and even their interpolations being special cases across a whole range of boundary impurity strengths. We uncover steady states with scale-free localization along or even against the direction of non-reciprocity in various impurity strength regimes. Also present are Bloch-like states that survive albeit broken translational invariance. We further explore the co-existence of non-Hermitian skin effect and scale-free localization, where even qualitative aspects of the system’s spectrum can be extremely sensitive to impurity strength. Specific circuit setups are also proposed for experimentally detecting the scale-free accumulation, with simulation results confirming our main findings.


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