Short-range ±Jinteraction Ising spin glass in a transverse field on a Bethe lattice: a quantum-spherical approach

2005 ◽  
Vol 243 (2) ◽  
pp. 502-511 ◽  
Author(s):  
T. K. Kopeć ◽  
K. D. Usadel
Keyword(s):  
Spin Glass ◽  
Short Range ◽  
Bethe Lattice ◽  
Transverse Field ◽  
Ising Spin Glass ◽  
Ising Spin

Phase diagram of the quantum Ising spin glass in a transverse field

1991 ◽  
Vol 44 (22) ◽  
pp. 12583-12585 ◽  
Author(s):  
K. D. Usadel ◽  
G. Büttner ◽  
T. K. Kopeć
Keyword(s):  
Phase Diagram ◽  
Spin Glass ◽  
Transverse Field ◽  
Ising Spin Glass ◽  
Ising Spin

Ising spin glass at zero temperature on the Bethe lattice

1988 ◽  
Vol 37 (13) ◽  
pp. 7649-7654 ◽  
Author(s):  
C. Kwon ◽  
D. J. Thouless
Keyword(s):  
Spin Glass ◽  
Bethe Lattice ◽  
Zero Temperature ◽  
Ising Spin Glass ◽  
Ising Spin

scholarly journals Ergodic and localized regions in quantum spin glasses on the Bethe lattice

2017 ◽  
Vol 375 (2108) ◽  
pp. 20160424 ◽  
Author(s):  
G. Mossi ◽  
A. Scardicchio
Keyword(s):  
Spin Glass ◽  
Spin Glasses ◽  
Quantum Dynamics ◽  
Bethe Lattice ◽  
Transverse Field ◽  
Quantum Systems ◽  
Quantum Spin ◽  
Many Body ◽  
Spin Glass Phase ◽  
Ising Spin

By considering the quantum dynamics of a transverse-field Ising spin glass on the Bethe lattice, we find the existence of a many-body localized (MBL) region at small transverse field and low temperature. The region is located within the thermodynamic spin glass phase. Accordingly, we conjecture that quantum dynamics inside the glassy region is split into a small MBL region and a large delocalized (but not necessarily ergodic) region. This has implications for the analysis of the performance of quantum adiabatic algorithms. This article is part of the themed issue ‘Breakdown of ergodicity in quantum systems: from solids to synthetic matter’.

Static scaling in a short-range Ising spin glass

1991 ◽  
Vol 43 (10) ◽  
pp. 8199-8203 ◽  
Author(s):  
K. Gunnarsson ◽  
P. Svedlindh ◽  
P. Nordblad ◽  
L. Lundgren ◽  
H. Aruga ◽  
...  
Keyword(s):  
Spin Glass ◽  
Short Range ◽  
Ising Spin Glass ◽  
Ising Spin

Ordered phase and field-induced domains in a short-range Ising spin glass: Fe0.25Zn0.75F2

1997 ◽  
Vol 81 (8) ◽  
pp. 5279-5281 ◽  
Author(s):  
E. P. Raposo ◽  
M. D. Coutinho-Filho
Keyword(s):  
Spin Glass ◽  
Short Range ◽  
Ising Spin Glass ◽  
Ising Spin

Quantum spherical description of an Ising spin glass in a transverse field

1997 ◽  
Vol 55 (9) ◽  
pp. 5623-5626 ◽  
Author(s):  
T. K. Kopec-acute ◽  
R. Pirc
Keyword(s):  
Spin Glass ◽  
Transverse Field ◽  
Ising Spin Glass ◽  
Ising Spin
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