Experimental observation of quantum nonlocality in general networks with different topologies

The main thread of chapter 4 introduces some of the major mysteries and interpretational issues of quantum mechanics (QM). These mysteries and issues include: quantum superposition, quantum nonlocality, Bell’s inequality, entanglement, delayed choice, the measurement problem, and the lack of counterfactual definiteness. All these mysteries and interpretational issues of QM result from dynamical explanation in the mechanical universe and are dispatched using the authors’ adynamical explanation in the block universe, called Relational Blockworld (RBW). A possible link between RBW and quantum information theory is provided. The metaphysical underpinnings of RBW, such as contextual emergence, spatiotemporal ontological contextuality, and adynamical global constraints, are provided in Philosophy of Physics for Chapter 4. That is also where RBW is situated with respect to retrocausal accounts and it is shown that RBW is a realist, psi-epistemic account of QM. All the relevant formalism for this chapter is provided in Foundational Physics for Chapter 4.

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Is the Letter ‘t’ in the Word ‘gourmet’? Disruption in Task-Evoked Connectivity Networks in Adults with Impaired Literacy Skills

NeuroSci ◽

10.3390/neurosci2010005 ◽

2021 ◽

Vol 2 (1) ◽

pp. 75-94

Author(s):

Kulpreet Cheema ◽

William E. Hodgetts ◽

Jacqueline Cummine

Keyword(s):

Developmental Disorders ◽

Brain Networks ◽

Literacy Skills ◽

Resting State Networks ◽

Skilled Readers ◽

University Of Alberta ◽

Domain Specific ◽

Probe Task ◽

The University ◽

General Networks

Much work has been done to characterize domain-specific brain networks associated with reading, but very little work has been done with respect to spelling. Our aim was to characterize domain-specific spelling networks (SpNs) and domain-general resting state networks (RSNs) in adults with and without literacy impairments. Skilled and impaired adults were recruited from the University of Alberta. Participants completed three conditions of an in-scanner spelling task called a letter probe task (LPT). We found highly connected SpNs for both groups of individuals, albeit comparatively more connections for skilled (50) vs. impaired (43) readers. Notably, the SpNs did not correlate with spelling behaviour for either group. We also found relationships between SpNs and RSNs for both groups of individuals, this time with comparatively fewer connections for skilled (36) vs. impaired (53) readers. Finally, the RSNs did predict spelling performance in a limited manner for the skilled readers. These results advance our understanding of brain networks associated with spelling and add to the growing body of literature that describes the important and intricate connections between domain-specific networks and domain-general networks (i.e., resting states) in individuals with and without developmental disorders.

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Quantum postulate vs. quantum nonlocality: on the role of the Planck constant in Bell’s argument

Foundations of Physics ◽

10.1007/s10701-021-00430-3 ◽

2021 ◽

Vol 51 (1) ◽

Author(s):

Andrei Khrennikov

Keyword(s):

Quantum Nonlocality ◽

Quantum Mechanical ◽

Quantum Foundations ◽

Planck Constant ◽

Variable Model ◽

Basic Principles ◽

Fundamental Feature ◽

Hidden Variable ◽

Bell Model

AbstractWe present a quantum mechanical (QM) analysis of Bell’s approach to quantum foundations based on his hidden-variable model. We claim and try to justify that the Bell model contradicts to the Heinsenberg’s uncertainty and Bohr’s complementarity principles. The aim of this note is to point to the physical seed of the aforementioned principles. This is the Bohr’s quantum postulate: the existence of indivisible quantum of action given by the Planck constant h. By contradicting these basic principles of QM, Bell’s model implies rejection of this postulate as well. Thus, this hidden-variable model contradicts not only the QM-formalism, but also the fundamental feature of the quantum world discovered by Planck.

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Class of Bell-Clauser-Horne inequalities for testing quantum nonlocality

Physical Review A ◽

10.1103/physreva.103.062203 ◽

2021 ◽

Vol 103 (6) ◽

Author(s):

Chen Qian ◽

Yang-Guang Yang ◽

Qun Wang ◽

Cong-Feng Qiao

Keyword(s):

Quantum Nonlocality

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