Three-Dimensional 3-State Potts Model Revisited With New Techniques
Wolfhard Janke,Ramon Villanova +1 more
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In this paper, a detailed finite-size scaling analysis of the first-order phase transition in the 3-state Potts model on cubic lattices with emphasis on recently introduced quantities whose infinite-volume extrapolations are governed 'only' by exponentially small terms is presented.Abstract:
We report a fairly detailed finite-size scaling analysis of the first-order phase transition in the three-dimensional 3-state Potts model on cubic lattices with emphasis on recently introduced quantities whose infinite-volume extrapolations are governed `only' by exponentially small terms. In these quantities no asymptotic power series in the inverse volume are involved which complicate the finite-size scaling behaviour of standard observables related to the specific-heat maxima or Binder-parameter minima. Introduced initially for strong first-order phase transitions in q-state Potts models with ``large enough'' q, the new techniques prove to be surprisingly accurate for a q value as small as 3. On the basis of the high-precision Monte Carlo data of Alves `et al.' [Phys. Rev. B43 (1991) 5846], this leads to a refined estimate of $\beta_t = 0.550,565(10)$ for the infinite-volume transition point.read more
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Quantum simulation of 2D antiferromagnets with hundreds of Rydberg atoms.
Pascal Scholl,Michael Schuler,H. J. Williams,Alexander A. Eberharter,Daniel Barredo,Daniel Barredo,Kai-Niklas Schymik,Vincent Lienhard,Louis-Paul Henry,Thomas C. Lang,Thierry Lahaye,Andreas M. Läuchli,Antoine Browaeys +12 more
TL;DR: This work uses programmable arrays of individual atoms trapped in optical tweezers, with interactions controlled by laser excitation to Rydberg states, to implement an iconic many-body problem-the antiferromagnetic two-dimensional transverse-field Ising model, and demonstrates that this platform can be readily used to address open questions in many- body physics.
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Quantum phases of Rydberg atoms on a kagome lattice.
Rhine Samajdar,Wen Wei Ho,Wen Wei Ho,Hannes Pichler,Hannes Pichler,Mikhail D. Lukin,Subir Sachdev +6 more
TL;DR: This work theoretically investigate the quantum phases that can be realized by arranging such Rydberg atoms on a kagome lattice, and identifies an intriguing regime that constitutes a promising candidate for hosting a phase with long-range quantum entanglement and topological order.
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Bond dilution in the 3D Ising model: a Monte Carlo study
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Self-consistent tensor product variational approximation for 3D classical models
Tomotoshi Nishino,Kouichi Okunishi,Yasuhiro Hieida,Yasuhiro Hieida,Nobuya Maeshima,Yasuhiro Akutsu +5 more
TL;DR: In this article, a numerical variational method for 3D classical lattice models is proposed, which constructs the variational state as a product of local tensors, and improves it by use of the corner transfer matrix renormalization group (CTMRG), which is a variant of the density matrix reformation group (DMRG) applied to 2D classical systems.
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The Three-dimensional, three state Potts model in an external field
Frithjof Karsch,S. Stickan +1 more
TL;DR: In this paper, the authors analyzed the critical behavior of the 3-d, 3-state Potts model in the presence of an external ordering field, and determined the critical endpoint of the line of first order phase transitions as (beta(c),h(c)) = (0.54938(2),0.000775(10)).
References
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