Titlebook: Questioning the Foundations of Physics; Which of Our Fundame Anthony Aguirre,Brendan Foster,Zeeya Merali Book 2015 Springer International P

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Is Quantum Linear Superposition an Exact Principle of Nature?,anation for the absence of macroscopic superpositions is that quantum theory is an approximation to a stochastic nonlinear theory. This hypothesis may have its fundamental origins in gravitational physics, and is being put to test by modern ongoing experiments on matter wave interferometry.

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Against Spacetime,nics is most significant, such as quantum tunneling through a barrier, the spacetime abstraction proves to be cumbersome. And I argue that in quantum-gravity research we might limit our opportunities for discovery if we insist on the availability of a spacetime picture.

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A Chicken-and-Egg Problem: Which Came First, the Quantum State or Spacetime?,that spacetime defines the quantum state by using new developments in the differential topology of 3- and 4-manifolds. In particular the plethora of exotic smoothness structures in dimension 4 could be the corner stone of quantum gravity.

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Book 2015hey are based on the prize-winning essays submitted to the FQXi essay competition “Which of Our Basic Physical Assumptions Are Wrong?”, which drew over 270 entries..As Nobel Laureate physicist Philip W. Anderson realized, the key to understanding nature’s reality is not anything “magical”, but the r

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Not on but of,anation for the appearance of MOND-like behaviour. In this context it also becomes clear why there are numerical coincidences between the MOND acceleration parameter ., the cosmological constant . and the Hubble parameter ..

Interferons

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A Critical Look at the Standard Cosmological Picture,ensional cosmic present must necessarily be assumed in relativistic cosmology—and in a stricter sense than it has been. Finally, I point to a related result which could offer a better explanation of the empirically constrained expansion rate.

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Weaving Commutators: Beyond Fock Space,y generators governed by Newton’s constant. We outline various arguments suggesting that, at least at the qualitative level, these three-dimensional results could also apply to real four-dimensional world thus forcing us to re-think the ordinary multiparticle structure of quantum field theory and many of the fundamental aspects connected to it.

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Introduction,Over the course of history, we can identify a number of instances where thinkers have sacrificed some of their most cherished assumptions, ultimately leading to scientific revolutions.

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