Foundations of Physics
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Why Things Fall
Foundations of Physics - Tập 33 - Trang 1549-1557 - 2003
Let us accept the quantum mechanical description of a free particle and one fact from special relativity: rest mass contributes to energy. If we add to this bare framework one additional fact—that time runs slower near the earth—we can account for our everyday experience of gravity.
Novel Remarks on Point Mass Sources, Firewalls, Null Singularities and Gravitational Entropy
Foundations of Physics - Tập 46 - Trang 14-27 - 2015
A continuous family of static spherically symmetric solutions of Einstein’s vacuum field equations with a spatial singularity at the origin
$$ r = 0 $$
is found. These solutions are parametrized by a real valued parameter
......
Dark Energy Explained by a Bias in the Measurements
Foundations of Physics - Tập 52 - Trang 1-19 - 2022
Typical cosmological models are based on the postulate that space is homogeneous. Space however contains overdense regions in which matter is concentrating, leaving underdense regions of almost void. The evolution of the scale factor of the universe has been established from measurements on SNIa. Since such events occur in regions were matter is present, we may expect that most of the SNIa are loc......
Complementarity and Scientific Rationality
Foundations of Physics - Tập 35 - Trang 417-447 - 2005
Bohr’s interpretation of quantum mechanics has been criticized as incoherent and opportunistic, and based on doubtful philosophical premises. If so Bohr’s influence, in the pre-war period of 1927–1939, is the harder to explain, and the acceptance of his approach to quantum mechanics over de Broglie’s had no reasonable foundation. But Bohr’s interpretation changed little from the time of its first ......
T Violation and the Unidirectionality of Time: Further Details of the Interference
Foundations of Physics - Tập 45 - Trang 691-706 - 2015
T violation has previously been shown to induce destructive interference between different paths that the universe can take through time which leads to a new quantum equation of motion called bievolution. Here we examine further details of the interference and clarify the conditions needed for the bievolution equation.
Negativity Bounds for Weyl–Heisenberg Quasiprobability Representations
Foundations of Physics - Tập 47 - Trang 1009-1030 - 2017
The appearance of negative terms in quasiprobability representations of quantum theory is known to be inevitable, and, due to its equivalence with the onset of contextuality, of central interest in quantum computation and information. Until recently, however, nothing has been known about how much negativity is necessary in a quasiprobability representation. Zhu (Phys Rev Lett 117 (12):120404, 2016......
From Path Integrals to Dynamical Algebras: A Macroscopic View of Quantum Physics
Foundations of Physics - - 2020
The essence of the path integral method in quantum physics can be expressed in terms of two relations between unitary propagators, describing perturbations of the underlying system. They inherit the causal structure of the theory and its invariance properties under variations of the action. These relations determine a dynamical algebra of bounded operators which encodes all properties of the corre......
Generalized two-level quantum dynamics. I. Representations of the Kossakowski conditions
Foundations of Physics - Tập 7 - Trang 813-825 - 1977
This communication is part I of a series of papers which explore the theoretical possibility of generalizing quantum dynamics in such a way that the predicted motions of an isolated system would include the irreversible (entropy-increasing) state evolutions that seem essential if the second law of thermodynamics is ever to become a theorem of mechanics. In this first paper, the general mathematica......
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