scholarly journals Snapshot Spectra in the World-Line Quantum Monte Carlo for One-Dimensional Quantum Spin Systems

2019 ◽  
Vol 88 (2) ◽  
pp. 024003 ◽  
Author(s):  
Kouichi Seki ◽  
Kouichi Okunishi
Keyword(s):  
Monte Carlo ◽  
Quantum Monte Carlo ◽  
World Line ◽  
Quantum Spin ◽  
Spin Systems ◽  
Quantum Spin Systems ◽  
One Dimensional ◽  
The World

Quantum Monte Carlo Study of Entanglement in Quantum Spin Systems

2005 ◽  
Vol 140 (3-4) ◽  
pp. 293-302 ◽  
Author(s):  
Tommaso Roscilde ◽  
Paola Verrucchi ◽  
Andrea Fubini ◽  
Stephan Haas ◽  
Valerio Tognetti
Keyword(s):  
Monte Carlo ◽  
Quantum Monte Carlo ◽  
Monte Carlo Study ◽  
Quantum Spin ◽  
Spin Systems ◽  
Quantum Spin Systems

PROJECTOR APPROXIMATION AND QUANTUM MONTE CARLO

1994 ◽  
Vol 05 (03) ◽  
pp. 483-488
Author(s):  
R.M. FYE
Keyword(s):  
Hilbert Space ◽  
Monte Carlo ◽  
Quantum Monte Carlo ◽  
Lattice Models ◽  
Quantum Spin ◽  
Spin Systems ◽  
Test Model ◽  
Exact Results ◽  
Quantum Spin Systems ◽  
Quantum Monte Carlo Simulations

We derive a general approximation for performing quantum Monte Carlo simulations within a desired subspace of the full Hilbert space. We analytically determine the form of the resulting systematic error, allowing controlled extrapolation to exact results. We discuss some numerical applications, including fermion impurity and lattice models with infinite on-site Colulomb repulsion U and quantum spin systems. We demonstrate the use of the approximation in simulations with a test model.

High-field ESR in one-dimensional quantum spin systems

2000 ◽  
Vol 284-288 ◽  
pp. 1625-1626 ◽  
Author(s):  
Y Ajiro ◽  
T Asano ◽  
Y Inagaki ◽  
J.P Boucher ◽  
S Luther ◽  
...  
Keyword(s):  
High Field ◽  
Quantum Spin ◽  
Spin Systems ◽  
Quantum Spin Systems ◽  
One Dimensional ◽  
High Field Esr
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