Search Results - subject:"Spin Glass"

An elementary humanomics approach to boundedly rational quadratic models

Campbell, Michael J.; Smith, Vernon L. - 2020

Persistent link: https://www.econbiz.de/10012419140

Koh, C.Y.; Kwek, L.C. - In: Physica A: Statistical Mechanics and its Applications 420 (2015) C, pp. 324-330

capacity of a spin glass. The magnetic susceptibility EW curve for LiHoxY 1−xF4 is formulated and compared with the existing …

Persistent link: https://www.econbiz.de/10011117916

±J Ising model on Dürer lattices

Lebrecht, W.; Valdés, J.F. - In: Physica A: Statistical Mechanics and its Applications 422 (2015) C, pp. 89-100

description for the most of the range for x. A particular discussion for the point x=0.50 belonging to spin-glass phase also sheds …

Persistent link: https://www.econbiz.de/10011194062

Matrix-power energy-landscape transformation for finding NP-hard spin-glass ground states

Manssen, Markus; Hartmann, Alexander - In: Journal of Global Optimization 61 (2015) 1, pp. 183-192

finding ground states of spin glass models. By taking a power of the bond matrix the energy landscape of the system is …

Persistent link: https://www.econbiz.de/10011151234

The Sherrington–Kirkpatrick spin glass model in the presence of a random field with a joint Gaussian probability density function for the exchange interactions and random fields

Hadjiagapiou, Ioannis A. - In: Physica A: Statistical Mechanics and its Applications 397 (2014) C, pp. 1-16

reflect real systems. Such a class of systems is the spin glass one, which combines randomness and frustration. The … Sherrington–Kirkpatrick Ising spin glass with random couplings in the presence of a random magnetic field is investigated in …

Persistent link: https://www.econbiz.de/10011057759

Entanglement of a 2-qubit system coupled to a bath of quantum spin glass

Koh, C.Y.; Kwek, L.C. - In: Physica A: Statistical Mechanics and its Applications 403 (2014) C, pp. 54-64

We study the quantum entanglement (concurrence) of a 2-qubit system coupled to a small spin glass bath of 2 to n≥ 4 …

Persistent link: https://www.econbiz.de/10011059362

Phase diagrams of soluble multi-spin glass models

Muzy, P.T.; Vieira, A.P.; Salinas, S.R. - In: Physica A: Statistical Mechanics and its Applications 359 (2006) C, pp. 469-477

We include p-spin interactions in a spherical version of a soluble mean-field spin-glass model proposed by van Hemmen … mixed phase, with both ferromagnetic and spin-glass properties. …

Persistent link: https://www.econbiz.de/10011062379

±J Ising model on mixed Archimedean lattices: (33,42), (32,4,3,4), (3,122), (4,6,12)

Lebrecht, W.; Valdés, J.F. - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 19, pp. 4549-4570

This paper addresses the problem of finding analytical expressions describing the ground state properties of mixed Archimedean lattices over which a generalized Edwards–Anderson model (±J Ising model) is defined. A local frustration analysis is performed based on representative cells for...

Persistent link: https://www.econbiz.de/10011061285

Conjectured exact percolation thresholds of the Fortuin–Kasteleyn cluster for the ±J Ising spin glass model

Yamaguchi, Chiaki - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 6, pp. 1263-1268

The conjectured exact percolation thresholds of the Fortuin–Kasteleyn cluster for the ±J Ising spin glass model are … the spin glass model is related to a dynamical transition for the freezing of spins. The present results are obtained as …

Persistent link: https://www.econbiz.de/10011064079

Ground-state energy and entropy of the two-dimensional Edwards–Anderson spin-glass model with different bond distributions

Perez-Morelo, D.J.; Ramirez-Pastor, A.J.; Romá, F. - In: Physica A: Statistical Mechanics and its Applications 391 (2012) 4, pp. 937-947

We study the two-dimensional Edwards–Anderson spin-glass model using a parallel tempering Monte Carlo algorithm. The … thermodynamic limit, the ground-state energy and entropy of the different versions of the spin-glass model are determined. …

Persistent link: https://www.econbiz.de/10011057620

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