Results 31 to 40 of about 22,396 (181)

"Space is blue and birds fly through it" [PDF]

open access: yes, 2017
Quantum mechanics is not about 'quantum states': it is about values of physical variables. I give a short fresh presentation and update on the $relational$ perspective on the theory, and a comment on its philosophical implications.Comment: Presented to ...
Rovelli, Carlo
core   +8 more sources

Representation of the Universe as a Dendrogramic Hologram Endowed with Relational Interpretation

open access: yesEntropy, 2021
A proposal for a fundamental theory is described in which classical and quantum physics as a representation of the universe as a gigantic dendrogram are unified.
Oded Shor   +2 more
doaj   +1 more source

Relational Quantum Mechanics and Probability [PDF]

open access: yesFoundations of Physics, 2018
We present a derivation of the third postulate of Relational Quantum Mechanics (RQM) from the properties of conditional probabilities.The first two RQM postulates are based on the information that can be extracted from interaction of different systems, and the third postulate defines the properties of the probability function.
openaire   +4 more sources

Fundamental decoherence in quantum gravity [PDF]

open access: yes, 2005
A recently introduced discrete formalism allows to solve the problem of time in quantum gravity in a relational manner. Quantum mechanics formulated with a relational time is not exactly unitary and implies a fundamental mechanism for decoherence of ...
Gambini, Rodolfo   +2 more
core   +4 more sources

Can Darwinism help us understand quantum mechanics? [PDF]

open access: yesBelgrade Philosophical Annual
Quantum Mechanics is arguably the most controversial theory ever constructed: its overwhelming empirical success contrasts with the perplexity about its basic meaning.
Vila Juan
doaj   +1 more source

Relational Quantum Cosmology [PDF]

open access: yes, 2015
The application of quantum theory to cosmology raises a number of conceptual questions, such as the role of the quantum-mechanical notion of "observer" or the absence of a time variable in the Wheeler-DeWitt equation.
Vidotto, Francesca
core   +2 more sources

A Graph Theoretic Perspective on CPM(Rel) [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2015
Mixed states are of interest in quantum mechanics for modelling partial information. More recently categorical approaches to linguistics have also exploited the idea of mixed states to describe ambiguity and hyponym / hypernym relationships.
Daniel Marsden
doaj   +1 more source

A Study of Entanglement in a Categorical Framework of Natural Language [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2014
In both quantum mechanics and corpus linguistics based on vector spaces, the notion of entanglement provides a means for the various subsystems to communicate with each other.
Dimitri Kartsaklis, Mehrnoosh Sadrzadeh
doaj   +1 more source

Fundamental decoherence from relational time in discrete quantum gravity: Galilean covariance [PDF]

open access: yes, 2004
We have recently argued that if one introduces a relational time in quantum mechanics and quantum gravity, the resulting quantum theory is such that pure states evolve into mixed states.
D. N. Page   +6 more
core   +3 more sources

Conditional probabilities with Dirac observables and the problem of time in quantum gravity [PDF]

open access: yes, 2008
We combine the "evolving constants" approach to the construction of observables in canonical quantum gravity with the Page--Wootters formulation of quantum mechanics with a relational time for generally covariant systems.
D. N. Page   +5 more
core   +3 more sources

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