Search Results - "Berker, A Nihat"
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1
Theory and simulations of water flow through carbon nanotubes: prospects and pitfalls
Published in Journal of physics. Condensed matter (11-05-2011)“…We study water flow through carbon nanotubes using continuum theory and molecular dynamics simulations. The large slip length in carbon nanotubes greatly…”
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2
Overfrustrated and underfrustrated spin glasses in d=3 and 2: evolution of phase diagrams and chaos including spin-glass order in d=2
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-04-2014)“…In spin-glass systems, frustration can be adjusted continuously and considerably, without changing the antiferromagnetic bond probability p, by using locally…”
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3
The effect of weekend curfews on epidemics: a Monte Carlo simulation
Published in Turkish journal of biology (01-01-2021)“…The ongoing COVID-19 pandemic is being responded with various methods, applying vaccines, experimental treatment options, total lockdowns or partial curfews…”
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4
Lower-critical spin-glass dimension from 23 sequenced hierarchical models
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (24-08-2015)“…The lower-critical dimension for the existence of the Ising spin-glass phase is calculated, numerically exactly, as dL=2.520 for a family of hierarchical…”
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5
Strong violation of critical phenomena universality: Wang-Landau study of the two-dimensional Blume-Capel model under bond randomness
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-01-2009)“…We study the pure and random-bond versions of the square lattice ferromagnetic Blume-Capel model, in both the first-order and second-order phase transition…”
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6
Inverted Berezinskii-Kosterlitz-Thouless singularity and high-temperature algebraic order in an Ising model on a scale-free hierarchical-lattice small-world network
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-06-2006)“…We have obtained exact results for the Ising model on a hierarchical lattice incorporating three key features characterizing many real-world networks--a…”
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7
Multicritical points for spin-glass models on hierarchical lattices
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-06-2008)“…The locations of multicritical points on many hierarchical lattices are numerically investigated by the renormalization group analysis. The results are…”
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8
First Order Phase Transition and Evidence for Frustrations in Polyampholytic Gels
Published in Physical review letters (14-06-1999)Get full text
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9
Odd q-state clock spin-glass models in three dimensions, asymmetric phase diagrams, and multiple algebraically ordered phases
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-12-2014)“…Distinctive orderings and phase diagram structures are found, from renormalization-group theory, for odd q-state clock spin-glass models in d=3 dimensions…”
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10
Correlated random-chemical-potential model for the phase transitions of helium mixtures in porous media
Published in Physical review letters (16-01-1995)“…A lattice model is constructed for [sup 3]He-[sup 4]He mixtures in porous media, characterized by correlated random chemical-potential differences between…”
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11
Blume-Emery-Griffiths spin glass and inverted tricritical points
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-09-2008)“…The Blume-Emery-Griffiths spin glass is studied by renormalization-group theory in d=3 . The boundary between the ferromagnetic and paramagnetic phases has…”
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12
Quantum-mechanically induced asymmetry in the phase diagrams of spin-glass systems
Published in Physical review letters (18-01-2008)“…The spin-1/2 quantum Heisenberg spin-glass system is studied in all spatial dimensions d by renormalization-group theory. Strongly asymmetric phase diagrams in…”
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13
High-precision thermodynamic and critical properties from tensor renormalization-group flows
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-01-2008)“…The recently developed tensor renormalization-group (TRG) method provides a highly precise technique for deriving thermodynamic and critical properties of…”
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14
Axial, Planar-Diagonal, Body-Diagonal Fields on the Cubic-Spin Spin Glass in d=3: A Plethora of Ordered Phases under Finite Fields
Published 21-09-2024“…Phys. Rev. E 110, 034123 (2024) A nematic phase, previously seen in the d=3 classical Heisenberg spin-glass system, occurs in the n-component cubic-spin…”
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15
Renormalization-group theory of the Heisenberg model in d dimensions
Published in Physica A (15-12-2022)“…The classical Heisenberg model has been solved in spatial d dimensions, exactly in d=1 and by the Migdal–Kadanoff approximation in d>1, by using a…”
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16
Nematic Ordering in the Heisenberg Spin-Glass System in d=3 Dimensions
Published 13-06-2022“…Nematic ordering, where the spins globally align along a spontaneously chosen axis irrespective of direction, occurs in spin-glass systems of classical…”
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17
Lower-Critical Dimension of the Random-Field XY Model and the Zero-Temperature Critical Line
Published 21-03-2022“…The random-field XY model is studied in spatial dimensions d=3 and 4, and in-between, as the limit q --> \infty of the q-state clock models, by the exact…”
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18
Renormalization-Group Theory of the Heisenberg Model in d Dimensions
Published 12-02-2022“…The classical Heisenberg model has been solved in spatial d dimensins, exactly in d=1 and by the Migdal-Kadanoff approximation in d>1, by using a…”
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The Merged Potts-Clock Model: Algebraic and Conventional Multistructured Multicritical Orderings in Two and Three Dimensions
Published 11-09-2023“…Phys. Rev. E 108, 024116 (2023) A spin system is studied, with simultaneous permutation-symmetric Potts and spin-rotation-symmetric clock interactions, in…”
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20
Uncovering the secrets of the 2D random-bond Blume–Capel model
Published in Physica A (01-08-2010)“…The effects of bond randomness on the ground-state structure, phase diagram and critical behavior of the square lattice ferromagnetic Blume–Capel (BC) model…”
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