Phase formation near quantum critical points
Resummation of fluctuations near ferromagnetic quantum critical points
... fluctuations near ferromagnetic quantum critical points ...ferromagnet near the quantum critical point in two and three ...the quantum order-by-disorder mechanism ...
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Quantum order by disorder driven phase reconstruction in the vicinity of ferromagnetic quantum critical points
... to-ferromagnet quantum phase transition of itinerant fermions that occurs by varying the exchange coupling between electron ...of quantum critical points for the formation of new ...
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Fluctuation driven phase reconstruction at itinerant ferromagnetic quantum critical points
... electron quantum criticality: non-analytic corrections to Hertz-Millis theory, the Coleman-Weinberg mechanism and the quantum order-by-disorder mecha- ...The quantum order-by-disorder approach ...
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The partition function zeroes of quantum critical points
... the quantum spin chain system as our numerical ...the quantum phase transition at θ = π whereas the second value, J c = ...the quantum phase transition at θ = ...
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Deconfined Quantum Critical Points: Symmetries and Dualities
... By contrast, the full internal symmetry of the IR theory cannot be incorporated microscopically in a strictly 2D quantum magnet: it can only be emergent. In field-theoretic parlance, the symmetry of the IR theory ...
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Stability of Quantum Critical Points in the Presence of Competing Orders
... resulting phase diagram depend on details of the nature of the fluctuating field and details of the ...the phase diagram is the dynami- cal exponents z of the ...or quantum character of the ...
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Visualising Berry phase and diabolical points in a quantum exciton polariton billiard
... As demonstrated in ref. 22, this additional degree of control can be accessed by changing the thickness of the billiard walls. Indeed, since the walls are created by an optical pump, which injects polaritons into the ...
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Prospects and applications near ferroelectric quantum phase transitions : a key issues review
... region near a finite temperature phase transition where fluctuations in the order parameter are comparable to the average of the order parameter ...well near classical ferroelectric phase ...
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Non Fermi liquid fixed points and anomalous Landau damping in a quantum critical metal
... The bosonic propagator is parametrized by three scale- dependent factors B τ , B x , and ˜ δ . The order parameter is an N b - component symmetric scalar field with velocity c 2 = B x / B τ describing collective ...
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Fluctuations, Phase Separation and Wetting Films near Liquid-Gas Critical Point
... There have been investigations of kinetics and dynamics of phase transition from both the theoretical and experimental points of view [Guenoun et al., 1994; Hegseth et al., 1998; Lamorgese, 2005]. Siggia ...
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Quantum critical points in ferroelectric relaxors : stuffed tungsten bronze K3Li2Ta5O15 and lead pyrochlore (Pb2Nb2O7)
... synthesis, near stoichiometric values for K:Ta orthorhombic Cmmm structure are ...pressures near stoichiometric pellets showed that features observed depend on both method of analysis and frequency ...by ...
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Transport studies of the itinerant metamagnet Sr₃Ru₂O₇ near its quantum critical point
... and cooling curves. The insets in figure 4.2 show that the resulting temper- ature differences at equal resistivities are approximately 1% of the measured temperature, both at low and high temperatures. To address both ...
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Evidence of rare backflow and skin-friction critical points in near-wall turbulence using micropillar imaging
... fluctuations near the CPs. Based on the DNS results of Cardesa et al., 2 the formation of CP’s is linked to large scale events in the bu ff er layer; thus, the involved frequencies are expected to be lower ...
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Persistent correlation between superconductivity and antiferromagnetic fluctuations near a nematic quantum critical point in FeSe1−xSx
... [55] where pseudogap behavior has been discussed. Detailed H-dependent measurements on the S-doped samples will be needed to confirm the origin of the suppression of 1/T 1 T . Our main results are summarized in the ...
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The de Haas van Alphen effect near a quantum critical end point in Sr₃Ru₂O₇
... Figure 2.10 illustrates the way the crystal rods were divided for the various experi- ments. Data from the sample that we used in the early stages of this thesis project for dHvA experiments was kept as a standard with ...
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Dynamical quantum phase transitions in the quantum Potts chain
... i σ i x . The starting point is the obser- vation that for a quench from a trivial PM state (g → ∞) to the classical FM system (g = 0), the return amplitude G(t) is formally identical to the partition function of the ...
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Ferromagnetic Quantum Critical Point Avoided by the Appearance of Another Magnetic Phase in LaCrGe3 under Pressure
... peculiar phase diagram of LaCrGe 3 ...second-order near the Lifshitz point, the order parameter must change continuously between these two phases; ...values near the FM-AFM Q transition and grow to ...
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Phase Formation and Solidification Routes Near Mo Mo5SiB2 Eutectic Point in Mo Si B System
... three phase areas for Alloys 1–4 determined by a quantitative EPMA analysis, and plotted against the over- lapped liquidus projections reported by Yang and Chang 21) and Nunes et ...data points for the ...
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Enhancing quantum phase transitions in the critical point of Extended TC-Dicke model via Stark effect
... strongly-interacting quantum many-body theories. It gives an opportunities to simulate quantum opti- cal and condensed matter ...the quantum optics, which describe the systems including the ...
Dynamical Phase Transitions in Quantum Systems
... H H i VV (28) in the one-channel case and with the assumption that (almost) all crossing (exceptional) points accumulate in one point [19]. The control parameter is a real number. It has been found that ...
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