scholarly journals Thermal form factor approach to the ground-state correlation functions of the XXZ chain in the antiferromagnetic massive regime

2016 ◽  
Vol 49 (39) ◽  
pp. 394001 ◽  
Author(s):  
Maxime Dugave ◽  
Frank Göhmann ◽  
Karol K Kozlowski ◽  
Junji Suzuki
Keyword(s):  
Form Factor ◽  
Ground State ◽  
Correlation Functions ◽  
State Correlation ◽  
Xxz Chain ◽  
Ground State Correlation

EXACT GROUND STATES OF ONE-DIMENSIONAL VALENCE-BOND-SOLID HAMILTONIANS

1987 ◽  
Vol 01 (05n06) ◽  
pp. 231-237 ◽  
Author(s):  
P.L. Iske ◽  
W.J. Caspers
Keyword(s):  
Ground State ◽  
Valence Bond ◽  
Ground States ◽  
Open Chain ◽  
State Correlation ◽  
One Dimensional ◽  
Degenerate Ground State ◽  
Closed Chain ◽  
Ground State Correlation ◽  
Valence Bond Solid

The ground state(s) of a Hamiltonian, introduced by Affleck, Kennedy, Lieb and Tasaki, in connection with the Valence-Bond-Solid (VBS) states, are explicitly given for the spin-1 chains. The structure of these ground states is a rather simple one. For a closed chain we find a unique ground state; for the open chain we find a fourfold-degenerate ground state. The ground state correlation function for the ring is calculated.

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