Quantum-to-classical transition
Braz. J. Phys. vol.35 número2B
... coupled to a high temperature environment. We showed that it becomes classical very quickly, even before the wave function probes the non-linearities of the ...the quantum to classical ...
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Rev. Bras. Ensino Fís. vol.34 número2
... wish to illustrate the connection between the periodi- city of particle motion and quantum ...so-called classical amplitude and mechanical frequency of the τ -th harmonic of the motion of the ...
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Sudden change in quantum and classical correlations and the Unruh effect
... with classical correlations in the limit of infinite acceleration (q → 1), while the quantum correlation ...of quantum correlation is due to the interaction of Rob’s qubit with the Unruh ...
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Mixed quantum-classical dynamics of an amide-I vibrational excitation in a protein a-helix
... corresponding to a structural transition to a more helical state, by effectively subtracting the energy of the vibrational excitation directly from the activation energy required for this ...expected ...
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Braz. J. Phys. vol.39 número2A
... A quantum phase transition (QPT) is a phase transition be- tween different quantum phases (phases of matter at zero tem- ...Contrary to classical phase transitions, ...
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Braz. J. Phys. vol.35 número2A
... corresponding to stochastically driven escape from a potential ...used to model noise-induced order parameter reversal, comprises Ginzburg-Landau-type field theories defined on finite intervals, perturbed ...
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Modelling radiation emission in the transition from the classical to the quantum regime
... attributed to a combination of stronger radiation damping and bigger changes in the field amplitude experienced by the electron in the laser pulse scattering scenario with higher peak a 0 as compared to the ...
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An Overview of Research into Low Internal Friction Optical Coatings by the Gravitational Wave Detection Community
... quality to that of the test mass mirrors in GW ...thread to minimize energy loss from the vibrational mode of the disk into the support structure 15,21-23 or balanced at a nodal point of the resonant ...
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Incentive theory for the transition from Atlantic slave plantations to firms and labor markets Steve De Castro
... slavery to labor markets was followed by falls in the average income per person of most regions of the Atlantic economy which used this mode, despite exploding demand for their ...began to grow rapidly with ...
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Braz. J. Phys. vol.35 número2A
... realistic to reach a noise level of 100 µV and a signal-to-noise value of ...corresponds to 18 ...have to be limited to 2 mrad in order to guarantee that the molecules do not ...
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Tunneling effects in resonant acoustic scattering of an air bubble in unbounded water
... According to the analogy proposed, the nearly “bound-states” of sound are, in fact, the ones related to the acoustical resonances that are nearly trapped inside the ...employed to designate these ...
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Braz. J. Phys. vol.35 número2A
... underlying quantum correlations consists of local vari- ables (LV) and superluminal communication (SC) with finite speed in a preferred frame ...A to B (that we write AÃB), one recovers the pre- dictions of ...
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Loop quantum effect and the fate of tachyon field collapse
... order to study the whole spacetime, we must match this interior spacetime to a suitable exterior ...convenient to consider a spherically symmetric and inhomogeneous spacetime such as the ...
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Braz. J. Phys. vol.35 número2A
... is to impose boundary conditions which discard the runaway solutions that grow unbounded in time and correspond to a special prescription for the integration contour when Fourier transforming back to ...
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Joint Entrance Examination for Postgraduate Courses in Physics EUF
... Q4. Regarding an experiment on the photoelectric effect, Figure 1 below illustrates a graph of the photoelectric current as a function of the potential difference V between the electron collector and a sodium target. ...
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Braz. J. Phys. vol.35 número2B
... In the Dirac-Bergmann quantization approach used in our previous paper [8], the information loss condition (12) was a first-class primary constraint. In the Dirac-Bergmann analy- sis, this signals the presence of a gauge ...
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TEMA (São Carlos) vol.14 número3
... of quantum algorithms that, in various sce- narios, are much faster than their classical versions [1, ...on quantum computers, which are currently unavailable for general purpose ...context, ...
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Extensionality, Proper Classes, and Quantum Non-Individuality
... response to (1) that proper classes are too big to be sets, I propose that it is not a difference in size that dis- tinguishes such collections but a difference in ...according to which sets are ...
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Braz. J. Phys. vol.30 número2
... We present some aspets of the study of quantum integrable systems and its relation to quantum.. groups.[r] ...
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Difficulties and barriers to transition to inclusive education
... This article stressed the importance of overcoming obstacles and resistance from teachers and their importance to the organizational climate changes have on attitudes and move towards inclusive practices. Support ...
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