Related papers: The relational ontology of contemporary physics

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Semiclassical gravity phenomenology under the causal-conditional quantum measurement prescription II: Heisenberg picture and apparent optical entanglement [13.04737397490371]
In quantum gravity theory, a state-dependent gravitational potential introduces nonlinearity into the state evolution. The formalism for understanding the continuous quantum measurement process on the quantum state has been previously discussed using the Schr"odinger picture. In this work, an equivalent formalism using the Heisenberg picture is developed and applied to the analysis of two optomechanical experiment protocols.
arXiv Detail & Related papers (2024-11-08T14:07:18Z)
A Theory of Quantum Jumps [44.99833362998488]
We study fluorescence and the phenomenon of quantum jumps'' in idealized models of atoms coupled to the quantized electromagnetic field. Our results amount to a derivation of the fundamental randomness in the quantum-mechanical description of microscopic systems.
arXiv Detail & Related papers (2024-04-16T11:00:46Z)
An Indeterminacy-based Ontology for Quantum Theory [0.0]
I present and defend a new ontology for quantum theories (or sinterpretation'' of quantum theory) called Generative Quantum Interpretation (GQT) GQT provides a series of important benefits that current widely discussed lack, namely, wave function realism and primitive primitive, without some of their costs. I will argue that GQT should be taken seriously because it provides a series of important benefits that current widely discussed lack, namely, wave function realism and primitive primitive, without some of their costs.
arXiv Detail & Related papers (2024-04-10T17:55:58Z)
Relaxation of first-class constraints and the quantization of gauge theories: from "matter without matter" to the reappearance of time in quantum gravity [72.27323884094953]
We make a conceptual overview of an approach to the initial-value problem in canonical gauge theories. We stress how the first-class phase-space constraints may be relaxed if we interpret them as fixing the values of new degrees of freedom.
arXiv Detail & Related papers (2024-02-19T19:00:02Z)
Quantum Principle of Relativity and The Renormalizable Quantum Gravity [3.4447129363520337]
We develop a purely quantum theory based on the novel principle of relativity, termed the quantum principle of relativity. We demonstrate that the essence of the principle of relativity can be naturally extended into the quantum realm, maintaining the identical structures of active and passive transformations.
arXiv Detail & Related papers (2023-12-04T10:49:56Z)
Quantum data learning for quantum simulations in high-energy physics [55.41644538483948]
We explore the applicability of quantum-data learning to practical problems in high-energy physics. We make use of ansatz based on quantum convolutional neural networks and numerically show that it is capable of recognizing quantum phases of ground states. The observation of non-trivial learning properties demonstrated in these benchmarks will motivate further exploration of the quantum-data learning architecture in high-energy physics.
arXiv Detail & Related papers (2023-06-29T18:00:01Z)
Towards Noncommutative Quantum Reality [0.0]
The implications of the physical theory of quantum mechanics on the question of realism is much a subject of sustaining interest. We give here a picture of quantum mechanics as the basic theory for nonrelativistic' particle dynamics. The key is to fully embrace the noncommutativity of the theory and see it as a notion about the reality of physical quantities.
arXiv Detail & Related papers (2022-02-19T10:27:23Z)
Gravity, Quantum Fields and Quantum Information: Problems with classical channel and stochastic theories [0.0]
We show that the notion of interactions mediated by an information channel is not, in general, equivalent to the treatment of interactions by quantum field theory. Second, we point out that in general one cannot replace a quantum field by that of classical sources, or mock up the effects of quantum fluctuations by classical noises.
arXiv Detail & Related papers (2022-02-06T14:55:46Z)
Quantum realism: axiomatization and quantification [77.34726150561087]
We build an axiomatization for quantum realism -- a notion of realism compatible with quantum theory. We explicitly construct some classes of entropic quantifiers that are shown to satisfy almost all of the proposed axioms.
arXiv Detail & Related papers (2021-10-10T18:08:42Z)
Spacetime Quantum Actions [0.0]
We propose a formulation of quantum mechanics in an extended Fock space in which a tensor product structure is applied to time. Subspaces of histories consistent with the dynamics of a particular theory are defined by a direct quantum generalization of the corresponding classical action. The diagonalization of such quantum actions enables us to recover the predictions of conventional quantum mechanics and reveals an extended unitary equivalence between all physical theories.
arXiv Detail & Related papers (2020-10-18T23:14:10Z)
Understanding Quantum Mechanics (Beyond Metaphysical Dogmatism and Naive Empiricism) [0.0]
We will argue that the reason behind the impossibility to reach a meaningful answer to this question is strictly related to the 20th Century Bohrian-positivist re-foundation of physics. We will also argue that the possibility of understanding QM is at plain sight, given we return to the original framework of physics in which the meaning of understanding has always been clear.
arXiv Detail & Related papers (2020-09-01T14:40:44Z)
Preferred basis, decoherence and a quantum state of the Universe [77.34726150561087]
We review a number of issues in foundations of quantum theory and quantum cosmology. These issues can be considered as a part of the scientific legacy of H.D. Zeh.
arXiv Detail & Related papers (2020-06-28T18:07:59Z)
From a quantum theory to a classical one [117.44028458220427]
We present and discuss a formal approach for describing the quantum to classical crossover. The method was originally introduced by L. Yaffe in 1982 for tackling large-$N$ quantum field theories.
arXiv Detail & Related papers (2020-04-01T09:16:38Z)

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