Search Results - "RABUFFO, I"

Dome-shaped phase diagram in the spin-1 XY ferromagnet with biquadratic exchange and longitudinal easy-axis crystal field by Mercaldo, M. T., Rabuffo, I.

“…We investigate the phase diagram of a spin-1 ferromagnetic XY model in the presence of a longitudinal easy-axis crystal field assuming bilinear ( J ) and…”
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Effect of biquadratic exchange on the phase diagram of a spin-1 transverse XY model with single-ion anisotropy by Rabuffo, I., De Cesare, L., Caramico D’Auria, A., Mercaldo, M.T.

“…•Biquadratic exchange and Single Ion Anisotropy at work.•The emergency of a reentrance in the phase diagram.•Anderson-Callen decoupling for the anisotropic…”
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Reentrant behaviors in the phase diagram of spin-1 planar ferromagnet with single-ion anisotropy by Rabuffo, I., De Cesare, L., Caramico D'Auria, A., Mercaldo, M.T.

“…We used the two-time Green function framework to investigate the role played by the easy-axis single-ion anisotropy on the phase diagram of (d>2)-dimensional…”
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Quantum criticality of a spin-1 XY model with easy-plane single-ion anisotropy via a two-time Green function approach avoiding the Anderson–Callen decoupling by Mercaldo, M.T., Rabuffo, I., De Cesare, L., Caramico D'Auria, A.

“…In this work we study the quantum phase transition, the phase diagram and the quantum criticality induced by the easy-plane single-ion anisotropy in a…”
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Reentrant behaviors in the phase diagram of spin-1 planar ferromagnets with easy-axis single-ion anisotropy via the Devlin two-time Green function framework by Mercaldo, M.T., Rabuffo, I., De Cesare, L., Caramico D’Auria, A.

“…•We consider a S = 1 planar ferromagnets that show a magnetic-field-induced quantum phase transition.•We study the role played by the easy-axis single-ion…”
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Quantum critical scenario in a three-dimensional XY model with an easy-plane single-ion anisotropy via a renormalization group analysis by Rabuffo, I., Caramico D'Auria, A., De Cesare, L., Mercaldo, M.T.

“…The low-temperature critical properties of the three-dimensional spin-1 XY model with an easy-plane single-ion anisotropy in zero magnetic field are explored…”
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Reentrant phenomena in a three-dimensional spin-1 planar ferromagnet with easy-axis single-ion anisotropy by Mercaldo, M.T., Rabuffo, I., De Cesare, L., Caramico D׳Auria, A.

“…The two-time Green function method is employed to explore the phase diagram and the magnetic-field-induced quantum criticality of a three-dimensional spin-one…”
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Magnetic-field-induced quantum criticality in a spin-S planar ferromagnet with single-ion anisotropy by Mercaldo, M. T., Rabuffo, I., De Cesare, L., Caramico D’Auria, A.

“…The effects of single-ion anisotropy on quantum criticality in a d -dimensional spin- S planar ferromagnet is explored by means of the two-time Green’s…”
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Quantum tricriticality in transverse Ising-like systems by Mercaldo, M. T., Rabuffo, I., Naddeo, A., Caramico D’Auria, A., De Cesare, L.

“…The quantum tricriticality of d -dimensional transverse Ising-like systems is studied by means of a perturbative renormalization group approach focusing on…”
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Scaling functions for classical to quantum crossover in the transverse Ising model via an effective Wilsonian renormalization group approach in 4 – ε dimensions by De Cesare, L., Caramico D’Auria, A., Rabuffo, I., Mercaldo, M. T.

“…The classical to quantum crossover, which occurs in d-dimensional transverse field Ising model-like systems decreasing the temperature to zero in the influence…”
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Quantum-like criticality for a classical transverse Ising model in 4–ε dimensions by Caramico D’Auria, A., De Cesare, L., Mercaldo, M. T., Rabuffo, I.

“… We investigate the low-temperature critical properties of a classical Ising model in a transverse field. This is performed by applying the conventional…”
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Low-temperature quantum critical behaviour of systems with transverse Ising-like intrinsic dynamics by Caramico D'Auria, A., De Cesare, L., Rabuffo, I.

“…The low-temperature properties and crossover phenomena of d-dimensional transverse Ising-like systems within the influence domain of the quantum critical point…”
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Field-induced quantum critical point in planar Heisenberg ferromagnets with long-range interactions: Two-time Green’s function framework by Campana, L. S., De Cesare, L., Esposito, U., Mercaldo, M. T., Rabuffo, I.

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Quantum criticality of -dimensional -vector transverse Ising-like models: New renormalization group features for by Caramico DaAuria, A, De Cesare, L, Mercaldo, M T, Naddeo, A, Rabuffo, I

“…We revisit quantum criticality of d -dimensional n -vector transverse Ising-like models by means of a conventional one-loop renormalization group (RG) approach…”
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Quantum criticality of dd-dimensional nn-vector transverse Ising-like models: New renormalization group features for daO3daO3 by DaAuria, A, Cesare, L, Mercaldo, M T, Naddeo, A, Rabuffo, I

“…We revisit quantum criticality of dd-dimensional nn-vector transverse Ising-like models by means of a conventional one-loop renormalization group (RG) approach…”
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Quantum criticality of d-dimensional n-vector transverse Ising-like models: New renormalization group features for d≤3 by Caramico D’Auria, A., De Cesare, L., Mercaldo, M.T., Naddeo, A., Rabuffo, I.

“…We revisit quantum criticality of d-dimensional n-vector transverse Ising-like models by means of a conventional one-loop renormalization group (RG) approach…”
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Quantum-like criticality for a classical transverse Ising model in 4-ζ dimensions by D'Auria, A. Caramico, De Cesare, L, Mercaldo, M.T, Rabuffo, I

“…We investigate the low-temperature critical properties of a classical Ising model in a transverse field. This is performed by applying the conventional Wilson…”
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Scaling functions for classical to quantum crossover in the transverse Ising model via an effective Wilsonian renormalization group approach in 4 - ζ dimensions by De Cesare, L, D'Auria, A. Caramico, Rabuffo, I, Mercaldo, M.T

“…The classical to quantum crossover, which occurs in d-dimensional transverse field Ising model like systems decreasing the temperature to zero in the influence…”
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Low-temperature critical properties and crossovers of a spin- 1 2 planar ferromagnet in 4 − ε dimensions by Mercaldo, M. T., Caramico D’Auria, A., De Cesare, L., Rabuffo, I.

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Unified static renormalization-group treatment of finite-temperature crossovers close to a quantum critical point by Mercaldo, M. T., De Cesare, L., Rabuffo, I., Caramico D’Auria, A.

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