18 résultats avec le mot-clé: 'monte carlo study quantum spin systems square lattice'
Fujuki and Betts [14], and also Nishimori and Nakan- ishi [15] discussed the disappearance of long-range or- der in the study of quantum spin systems on the trian-
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Path integral quantum Monte Carlo (PIMC) is a method for estimating thermal equilibrium properties of stoquastic quantum spin systems by sampling from a classical Gibbs
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Uses diffusion Monte Carlo projections of wave functions to construct sequences of non-orthogonal basis sets which are injected into a diagonalisation method. Troubles with precision
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2014 Finite-size scaling of Monte Carlo generated order parameter (intrinsic density of monomers) and specific heat of square lattice polymers near the collapse
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In the absence of randomness, Quantum Monte Carlo (QMC) has quantified this AF-singlet transition, both in the itinerant electron PAM,[24], and also in quantum spin Hamiltonians
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Monte Carlo simulations for large q values (where the square lattice Potts transition is discontinuous) indicate that the discontinuity in the Potts energy translates into
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For a square lattice with nearest-neighbour exclusion the relevant correlation functions are studied by Monte Carlo simulation and analytically by an extended Bethe-Peierls cluster
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Abstract – The fourth order Binder cumulant U and the critical Binder cumulant U * of bond- diluted Ising model on a square lattice are studied using Monte
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XY MODEL ON THE TRIANGULAR LATTICE Masako Takasu, Seiji Miyashita, Masuo Suzuki, Yasumasa Kanada.. To cite
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The atomic configuration of an epitaxial overlayer on a substrate with substantial lattice mismatch is studied by the Monte Carlo method.. Covering a wide range
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Strong correlations and electron-phonon coupling in high- temperature superconductors: a quantum Monte Carlo study.. 4, CH-8803
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Note that a dramatic improvement in both thermochemical values is obtained when the truncated CASSCF expansions are used as multi- reference trial wave functions as compared with the
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Keywords: Condensed matter physics, Strongly correlated systems, Hub- bard model, Heterostructures, Quantum Monte Carlo, Phase transitions. Résumé: Les propriétés d'électrons en
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We study the nearest neighbour Ising model on a square lattice with the helical boundary condition using a single array for the whole lattice.. We update first the
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Discrete choice modeling, mixed logit model, Monte Carlo, quasi-Monte Carlo, variance reduction, bias reduction, lattice rules, weighted discrepancy, ANOVA.. This work was
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-We have used Monte Carlo simulations to investigate Ising systems on the FCC lattice with antiferromagnetic first neighbour interactions (J1) and ferromagnetic second
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Our large-scale Monte Carlo simulation confirms that the quantum phase transition (QPT) in the triangular lattice TFFIM indeed hosts an emergent O(2) symmetry, but that in the
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