scholarly journals Universality in strongly correlated quantum systems

2012 ◽  
Author(s):  
Yusuke Nishida
Keyword(s):  
Quantum Systems ◽  
Strongly Correlated ◽  
Correlated Quantum Systems

FAST MAXIMUM ENTROPY ALGORITHM FOR ILL-POSED PROBLEMS

1994 ◽  
Vol 05 (06) ◽  
pp. 987-995 ◽  
Author(s):  
S.V. MESHKOV ◽  
D.V. BERKOV
Keyword(s):  
Maximum Entropy ◽  
Inequality Constraints ◽  
Quantum Systems ◽  
Quadratic Functional ◽  
Strongly Correlated ◽  
Imaginary Time ◽  
Linear Inequality Constraints ◽  
Ill Posed ◽  
Correlated Quantum Systems ◽  
Maxent Approach

The fast algorithm of the Maximum Entropy (MaxEnt) numerical solution of the linear inverse problem is described. The minimization of a general functional intrinsic to the MaxEnt approach is reduced to an iteration procedure with each step being a constrained least-squares problem (minimization of a quadratic functional with linear inequality constraints). The algorithm is structurally simple and can be assembled from blocks available in standard program libraries. The algorithm is tested on “toy” tasks with exponential kernel, as well as on practical problems of the recovery of the spectral density of strongly correlated quantum systems from the imaginary time Green’s functions obtained by Monte Carlo.

scholarly journals Quantum circuits for strongly correlated quantum systems

2009 ◽  
Vol 79 (3) ◽  
Author(s):  
Frank Verstraete ◽  
J. Ignacio Cirac ◽  
José I. Latorre
Keyword(s):  
Quantum Systems ◽  
Quantum Circuits ◽  
Strongly Correlated ◽  
Correlated Quantum Systems

scholarly journals Dephasing enhanced transport in nonequilibrium strongly correlated quantum systems

2013 ◽  
Vol 87 (23) ◽  
Author(s):  
J. J. Mendoza-Arenas ◽  
T. Grujic ◽  
D. Jaksch ◽  
S. R. Clark
Keyword(s):  
Quantum Systems ◽  
Strongly Correlated ◽  
Correlated Quantum Systems
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