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- Interaction-Free Measurements: A Complex Nonlinear ExplanationPublication . Cardoso, António; Cordovil, João L.; Croca, José R.In this paper we show that interaction-free measurements, which have been object of much discussion in the last few decades, can be explained in a natural and intuitive way in the framework of complex nonlinear quantum physics, contrary to what is claimed by some orthodox authors that present them as incomprehensible, mind-boggling experiments.
- Popper's Experiment and the Uncertainty PrinciplePublication . Cardoso, AntónioIn this paper we look at a particular realization of Popper’s thought experiment with correlated quantum particles and argue that, from the point of view of a nonlinear quantum physics and contrary to the orthodox interpretation, Heisenberg’s uncertainty principle is violated. Moreover, we show that this kind of experiments can easily be explained in an intuitive manner if we are willing to take a nonlinear approach.
- The Nature of Quantum ParticlesPublication . Cardoso, AntónioIn this paper we will discuss a recent double-slit experiment with quantum particles where an interference pattern is observed even when which-path information is available, and argue that this result is in clear contradiction with orthodox quantum mechanics but perfectly understandable in the framework of a nonlinear quantum physics.
- The quantum eraser does not always erasePublication . Cardoso, António; Cordovil, João L.; Croca, José R.In this paper we will first look at a particular quantum eraser setup to show that this type of experiments can be understood in an intuitive manner if we are willing to take a complex nonlinear approach, without the need to invoke Niels Bohr’s complementarity or quantum entanglement between two particles. We will then discuss a recent experiment of the same type that does not erase the interference pattern when which-path information is available, and argue that this result is in clear contradiction with the orthodox interpretation of quantum mechanics but perfectly understandable in the framework of nonlinear quantum physics.
- The Reality of de Broglie's Pilot WavePublication . Cardoso, AntónioIn this paper we discuss a recent double-slit experiment where which-path information is obtained without disturbing the photons in their path to the detector, and, as a consequence, an interference pattern is observed on the far screen even if it is known which slit the photons go through. We argue that this result is in clear contradiction with a fundamental principle in orthodox quantum mechanics – Bohr’s complementarity principle – and also point out that, on the other hand, the results of this experiment are the expected ones in the framework of de Broglie’s pilot wave theory
- A Pilot-Wave Gravity and the Titius-Bode LawPublication . Croca, José R.; Castro, Paulo; Gatta, Mário; Cardoso, António; Moreira, RuiSince its initial proposal in 1766, Titius-Bode empirical law has remained a puzzling source of discomfort as it predicts the average distances from the planets to the Sun for no apparent reason. Using a framework analogous to de Broglie’s pilot wave theory and the self-organizing Principle of Eurhythmy, we claim that several main physical quantities describing the Solar System are quantified. Hence the Titius-Bode Law is a direct manifestation of gravitational pilot-waves at work in the Solar System.