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Haut PDF Phase Transitions and Quantum Measurements

Phase Transitions and Quantum Measurements

Phase Transitions and Quantum Measurements

... a quantum measurement, a coupling g between the system S and the apparatus A triggers the establishment of correlations, which provide statistical information about ...macroscopic, and a dynamical ...

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Anyon Condensation and Continuous Topological Phase Transitions in Non-Abelian Fractional Quantum Hall States

Anyon Condensation and Continuous Topological Phase Transitions in Non-Abelian Fractional Quantum Hall States

... of quantum many-body systems is to understand transitions between topologically ordered states [ 1 ...symmetry and local order parameters, we cannot use the conventional Ginzburg-Landau ...the ...

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Adventure in Topological Phase Transitions in 3 + 1 -D: Non-Abelian Deconfined Quantum Criticalities and a Possible Duality

Adventure in Topological Phase Transitions in 3 + 1 -D: Non-Abelian Deconfined Quantum Criticalities and a Possible Duality

... continuous quantum phase transitions that are beyond the Landau ...Landau phase, it is not surprising that the critical theory is not within the standard LGW paradigm (see ...continuous ...

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Bragg scattering as a probe of atomic wave functions and quantum phase transitions in optical lattices

Bragg scattering as a probe of atomic wave functions and quantum phase transitions in optical lattices

... various phase transitions such as the Berezinskii-Kosterlitz-Thouless transition in two-dimensional systems [ 3 ], the BEC-BCS crossover of interacting fermions [ 4 ], and the superfluid to Mott ...

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Bilayer quantum Hall phase transitions and the orbifold non-Abelian fractional quantum Hall states

Bilayer quantum Hall phase transitions and the orbifold non-Abelian fractional quantum Hall states

... First, we develop a theory of a set of continuous quantum phase transitions in bilayer quantum Hall systems between well-known Abelian states—the ppq states14 —and a set of non-Abelian t[r] ...

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Anyon Condensation and Continuous Topological Phase Transitions in Non-Abelian Fractional Quantum Hall States

Anyon Condensation and Continuous Topological Phase Transitions in Non-Abelian Fractional Quantum Hall States

... bilayer and spin-unpolarized single-layer systems while in others, the plateau has only been observed in one of ...Abelian phase共s兲; in most cases, it is assumed that these plateaus are described by one of ...

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Applied fractionalization : quantum phases and phase transitions of strongly interacting systems

Applied fractionalization : quantum phases and phase transitions of strongly interacting systems

... the system has exponential ground state degeneracy which would get lifted for infinitesimal t. Clearly, the effective Hamiltonian of this insulator.. would only contai[r] ...

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Quantum criticality and Fermisurface instabilities investigation by pressure and quantum oscillation measurements on Ce and Ybbased heavy fermion compounds

Quantum criticality and Fermisurface instabilities investigation by pressure and quantum oscillation measurements on Ce and Ybbased heavy fermion compounds

... community and this especially due to the low energy phenomena, such as heavy fermion or quantum phase transition, that were some of the main ...experimental and theoretical perspectives [23, ...

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en fr Josephson ladders as a model system for 1D quantum phase transitions Une chaîne supraconductrice comme simulateur de transitions de phases quantiques en une dimension

... of quantum spin dynamics in 1D has been largely limited to microscopic spins in condensed-matter ...4 and CoNb 2 O 6 can be continuously tuned across the quantum phase transition (QPT) [ 11 – ...

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Electronic wave functions and optical transitions in (In,Ga)As/GaP quantum dots

Electronic wave functions and optical transitions in (In,Ga)As/GaP quantum dots

... (X-STM) measurements are performed on the (110) natural cleavage ...plan, and QD edge direction angles with the [1–10] and [110] directions that is fixed by the dimer orien- tation on the (001) ...

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Symmetry-breaking phase transitions in highly concentrated semen

Symmetry-breaking phase transitions in highly concentrated semen

... conditions and using selected ...velocity and the percentage of immobile ...various measurements obtained for five different males, where the intrasample variability is also ...20% and 40%, ...

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Effect of compressed CO₂ on phase transitions and polymorphism in syndiotactic polystyrene

Effect of compressed CO₂ on phase transitions and polymorphism in syndiotactic polystyrene

... monochromator and a Cu KR radiation source was used to analyze the semicrystalline ...temperature, and a scan rate of 4°/min was chosen for all ...situ measurements of CO 2 -induced glass transition ...

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Quantum phase transitions in multileg spin ladders with ring exchange

Quantum phase transitions in multileg spin ladders with ring exchange

... these quantum phase transitions are described by an SU(2)N CFT with central charge c = 3N/(N + ...emerging quantum criticality has been revealed by means of a Majorana-fermion approach, which ...

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Quantum phase transitions in the quasi-1D Ising-like antiferromagnet BaCo2V2O8

Quantum phase transitions in the quasi-1D Ising-like antiferromagnet BaCo2V2O8

... energy and only at the ZC point ~Q=(0, 0, 0). As the phase transition was believed to be an order-disorder transition, and thus a paramagnetic phase at high field, it has led to a ...

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Dissipative phase transitions in open quantum lattice systems

Dissipative phase transitions in open quantum lattice systems

... duration and θ(τ ) is the Heavyside step ...(2.7) and (2.11) (noted respectively MF and SS) with the results obtained by numerical integration of the master equation ...yellow and green curves ...

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Quantum phase transitions

Quantum phase transitions

... deposit and dissemination of sci- entific research documents, whether they are pub- lished or ...teaching and research institutions in France or abroad, or from public or private research ...

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Quantum Monte Carlo simulations of fidelity at magnetic quantum phase transitions

Quantum Monte Carlo simulations of fidelity at magnetic quantum phase transitions

... AF phase from, respectively, a low- plaquette and a high- dimer phase [ 8 , 10 ...system and, in particular, AF interactions  > 0 lead to a singlet ...

5

Phase transitions in doped and undoped lead zirconate  titanate piezoelectric materials

Phase transitions in doped and undoped lead zirconate titanate piezoelectric materials

... la phase ferroélectrique quadratique et la phase cubique paraélectrique, cependant le pic P 2 peut être relié à la transition morphotropique entre les phases ferroélectriques rhomboédrique et ...les ...

9

Phase transitions and optimal algorithms in high-dimensional Gaussian mixture clustering

Phase transitions and optimal algorithms in high-dimensional Gaussian mixture clustering

... 2 and 3 we also compare to the performance of the principal component analysis (PCA) performed on the matrix ...X and instead of clustering m points in n dimensions, one concatenates the singular vectors ...

9

Characterization of measurements in quantum communications.

Characterization of measurements in quantum communications.

... Since considerations of simultaneous measurement of noncommuting observables lead to the operator-valued measure characterization, we will consider the simultaneous measure- ment of two[r] ...

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