scholarly journals On the phase diagram of the anisotropic XY chain in transverse magnetic field

2016 ◽  
Vol 441 ◽  
pp. 131-140 ◽  
Author(s):  
Tomasz Maciążek ◽  
Jacek Wojtkiewicz
2008 ◽  
Vol 06 (supp01) ◽  
pp. 751-757
Author(s):  
YOSHIFUMI NAKATA ◽  
DAMIAN MARKHAM ◽  
MIO MURAO

To understand multi-partite entanglement of the thermal state in the 1D spin 1/2 XY model with a transverse magnetic field, we investigate the temperature below which the thermal state is certainly entangled. We refer to such a temperature as a threshold temperature. We show that two characteristic lines in the phase diagram at zero temperature of the XY model can be clearly emphasized by the threshold temperature.


2010 ◽  
Vol 46 (4) ◽  
pp. 393-402 ◽  
Author(s):  
F. Mokhtari ◽  
A. Bouabdallah ◽  
A. Merah ◽  
S. Hanchi ◽  
A. Alemany

2020 ◽  
Vol 58 (3) ◽  
pp. 400-409
Author(s):  
N. A. Luchinkin ◽  
N. G. Razuvanov ◽  
I. A. Belyaev ◽  
V. G. Sviridov

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