scholarly journals Fundamental Physics and Computation: The Computer-Theoretic Framework

Universe ◽  
2022 ◽  
Vol 8 (1) ◽  
pp. 40
Author(s):  
Sergio Miguel-Tomé ◽  
Ángel L. Sánchez-Lázaro ◽  
Luis Alonso-Romero

The central goal of this manuscript is to survey the relationships between fundamental physics and computer science. We begin by providing a short historical review of how different concepts of computer science have entered the field of fundamental physics, highlighting the claim that the universe is a computer. Following the review, we explain why computational concepts have been embraced to interpret and describe physical phenomena. We then discuss seven arguments against the claim that the universe is a computational system and show that those arguments are wrong because of a misunderstanding of the extension of the concept of computation. Afterwards, we address a proposal to solve Hempel’s dilemma using the computability theory but conclude that it is incorrect. After that, we discuss the relationship between the proposals that the universe is a computational system and that our minds are a simulation. Analysing these issues leads us to proposing a new physical principle, called the principle of computability, which claims that the universe is a computational system (not restricted to digital computers) and that computational power and the computational complexity hierarchy are two fundamental physical constants. On the basis of this new principle, a scientific paradigm emerges to develop fundamental theories of physics: the computer-theoretic framework (CTF). The CTF brings to light different ideas already implicit in the work of several researchers and provides a new view on the universe based on computer theoretic concepts that expands the current view. We address different issues regarding the development of fundamental theories of physics in the new paradigm. Additionally, we discuss how the CTF brings new perspectives to different issues, such as the unreasonable effectiveness of mathematics and the foundations of cognitive science.

2018 ◽  
Vol 02 (03) ◽  
pp. 1850002
Author(s):  
Zhi Gang Sha ◽  
Rulin Xiu

Although quantum physics has led to the most accurate predictions to date about the nature of matter and the universe, a metaphysical interpretation of its non-deterministic and subjective nature still remains an ongoing debate. In this work, we will review the nature of the debate and propose a new way to address the controversies about the non-deterministic and subjective nature of quantum physics. In our previous work, we have shown that everything is made of information, energy and matter. We propose to define spirit or soul as the content of information, spiritual heart as the receiver of information, and mind as the processor of information. In this paper, we show that the intrinsic uncertain and non-deterministic nature of quantum physics can be explained by the insights from these definitions. Information relates to the possibilities and potentialities of an object. Information is intrinsically uncertain and non-deterministic. Since quantum physics is the fundamental physics theory describing the information, energy and matter of everything, quantum physics has intrinsic an uncertain and non-deterministic nature. We further demonstrate that the process of quantum measurement can be interpreted as the role played by soul, spiritual heart and mind in the manifestation of physical phenomena. We conclude that our insight that everything is made of information, energy and matter and the definition of soul, spiritual heart and mind provides a simple metaphysical interpretation of quantum physics. They can help us understand and resolve the two controversies about quantum physics.


Universe ◽  
2021 ◽  
Vol 7 (5) ◽  
pp. 146
Author(s):  
Alberto Franceschini

We discuss the topic of the transparency of the Universe in gamma rays due to extragalactic background light, and its cosmological and physical implications. Rather than a review, this is a personal account on the development of 30 years of this branch of physical science. Extensive analysis of the currently available information appears to us as revealing a global coherence among the astrophysical, cosmological, and fundamental physics data, or, at least, no evident need so far of substantial modification of our present understanding. Deeper data from future experiments will verify to what extent and in which directions this conclusion should be modified.


Author(s):  
Gianfranco Bertone

The spectacular advances of modern astronomy have opened our horizon on an unexpected cosmos: a dark, mysterious Universe, populated by enigmatic entities we know very little about, like black holes, or nothing at all, like dark matter and dark energy. In this book, I discuss how the rise of a new discipline dubbed multimessenger astronomy is bringing about a revolution in our understanding of the cosmos, by combining the traditional approach based on the observation of light from celestial objects, with a new one based on other ‘messengers’—such as gravitational waves, neutrinos, and cosmic rays—that carry information from otherwise inaccessible corners of the Universe. Much has been written about the extraordinary potential of this new discipline, since the 2017 Nobel Prize in physics was awarded for the direct detection of gravitational waves. But here I will take a different angle and explore how gravitational waves and other messengers might help us break the stalemate that has been plaguing fundamental physics for four decades, and to consolidate the foundations of modern cosmology.


2021 ◽  
Vol 34 (2) ◽  
pp. 236-247
Author(s):  
Huawang Li

In this paper, we conjecture that gravitation, electromagnetism, and strong nuclear interactions are all produced by particle collisions by determining the essential concept of force in physics (that is, the magnitude of change in momentum per unit time for a group of particles traveling in one direction), and further speculate the existence of a new particle, Yizi. The average kinetic energy of Yizi is considered to be equal to Planck’s constant, so the mass of Yizi is calculated to be <mml:math display="inline"> <mml:mrow> <mml:mn>7.37</mml:mn> <mml:mo>×</mml:mo> <mml:msup> <mml:mrow> <mml:mn>10</mml:mn> </mml:mrow> <mml:mrow> <mml:mo>−</mml:mo> <mml:mn>51</mml:mn> </mml:mrow> </mml:msup> </mml:mrow> </mml:math> kg and the average velocity of Yizi is <mml:math display="inline"> <mml:mrow> <mml:mn>4.24</mml:mn> <mml:mo>×</mml:mo> <mml:msup> <mml:mrow> <mml:mn>10</mml:mn> </mml:mrow> <mml:mn>8</mml:mn> </mml:msup> </mml:mrow> </mml:math> m/s. The universe is filled with Yizi gas, the number density of Yizi can reach <mml:math display="inline"> <mml:mrow> <mml:mn>1.61</mml:mn> <mml:mo>×</mml:mo> <mml:msup> <mml:mrow> <mml:mn>10</mml:mn> </mml:mrow> <mml:mrow> <mml:mn>64</mml:mn> </mml:mrow> </mml:msup> </mml:mrow> </mml:math> /m3, and Yizi has no charge. After abandoning the idealism of physics, I try to construct a physical framework from three elementary particles: Protons, electrons, and Yizis. (The elementary particles mentioned here generally refer to the indivisible particles that constitute objects.) The effects of Yizi on the conversion of light, electricity, magnetism, mass, and energy as well as the strong nuclear and electromagnetic forces are emphasized. The gravitation of electromagnetic waves is measured using a Cavendish torsion balance. It is shown experimentally that electromagnetic waves not only produce pressure (repulsion) but also gravitational forces upon objects. The universe is a combination of three fundamental particles. Motion is eternal and follows the laws of conservation of energy and momentum. There is only one force: The magnitude of change in momentum per unit time for a group of particles traveling in one direction. Furthermore, this corresponds to the magnitude of the force that the group of particles exerts in that direction. From this perspective, all physical phenomena are relatively easy to explain.


1999 ◽  
Vol 14 (06) ◽  
pp. 815-843 ◽  
Author(s):  
M. J. DUFF

There has recently been a revival of interest in anti-de-Sitter space (AdS), brought about by the conjectured duality between physics in the bulk of AdS and a conformal field theory on the boundary. Since the whole subject of branes, singletons and superconformal field theories on the AdS boundary was an active area of research about ten years ago, we begin with a historical review, including the idea of the "membrane at the end of the universe." We then compare the old and new approaches and discuss some new results on AdS 5 × S5 and AdS 3 × S3.


Author(s):  
Haixuan Zhu ◽  
◽  
Xiaoyu Jia ◽  
Pengluo Que ◽  
Xiaoyu Hou ◽  
...  

In the era of big data, with the development of computer technology, especially the comprehensive popularization of mobile terminal device and the gradual construction of the Internet of Things, the urban physical environment and social environment have been comprehensively digitized and quantified. Computational thinking mode has gradually become a new thinking mode for human beings to recognize and govern urban complex system. Meanwhile computational urban science has become the main discipline development aspect of modern urban planning. Computational thinking is the thinking of computer science using algorithms based on time complexity and space complexity, which provides a new paradigm for the construction of index system, data collection, data storage, data analysis, pattern recognition, dynamic governance in the process of scientific planning and urban management. Based on this, this paper takes the computational thinking mode of urban planning discipline in big data era as the research object, takes the scientific construction of computational urban planning as the research purpose, and adopts literature research methods and interdisciplinary research methods, comprehensively studies the connotation of the computing thinking mode of computer science. Meanwhile, this paper systematically discusses the system construction of urban computing, model generation, the theory and method of digital twinning, as well as the popularization of the computational thinking mode of urban and rural planning discipline and the scientific research of computational urban planning, which responds to the needs of the era of the development of urban and rural planning disciplines in the era of big data.


2021 ◽  
Vol 34 (3) ◽  
pp. 315-321
Author(s):  
Farzad Haghmoradi-Kermanshahi

This article claims that the universe is composed of very fine particles, which are billions of times smaller than electrons. These particles consist of one positive pole and one negative pole similar to protons and electrons (in terms of electrical charge), respectively. They are point electric charges, which their movements and bending of their chain in space create magnetic fields and electromagnetic waves. These particles possess mass that verges on zero, due to their minute size. Then, by examining several physical phenomena, the presence of them will be proved.


BIBECHANA ◽  
1970 ◽  
Vol 6 ◽  
pp. 27-30
Author(s):  
Devendra Adhikari ◽  
Krishna Raj Adhikari

Different physical phenomena, techniques, and evidences which give the proof for the existence of dark matter have been discussed. Keywords: Baryonic matter; dark matter; Chandra x-ray ObservatoryDOI: 10.3126/bibechana.v6i0.3936BIBECHANA Vol. 6, March 2010 pp.27-30


Author(s):  
Egor Sergeevich Shushakov

The object of this research is the concept of evolutionary development of the universe of P. Teilhard de Chardin and the concept of &ldquo;liquid&rdquo; reality&rdquo; of Z. Bauman. The subject is the methodology of P. Teilhard de Chardin and his idea of the future of social development, as well as Z. Bauman&rsquo;s description of the key characteristics of globalization. Emphasis is placed on the methodology of P. Teilhard de Chardin (interaction of tangential and radial energies), as within the framework his concept, the social, biological and physical phenomena do not have fundamental differences and abide the general universal laws. In broad outlines, the article reconstructs the idea of P. Teilhard de Chardin on social development and the theses of Z. Bauman about the key characteristics of modern globalization. The novelty of the research lies in the attempt to present the methodology of P. Teilhard de Chardin as acceptable for modern science and highlight its predictive power; as well as in comparative analysis of the ideas of Z. Bauman and P. Teilhard de Chardin on the processes of global social integration. The following conclusions are made: both scholars advance the idea on the progressing polarization of society; 2) globalization in their works correlates with the process of individualization of social actors, and defense of own identity.


2021 ◽  
Vol 71 (1) ◽  
pp. 279-313
Author(s):  
Gaia Lanfranchi ◽  
Maxim Pospelov ◽  
Philip Schuster

At the dawn of a new decade, particle physics faces the challenge of explaining the mystery of dark matter, the origin of matter over antimatter in the Universe, the apparent fine-tuning of the electroweak scale, and many other aspects of fundamental physics. Perhaps the most striking frontier to emerge in the search for answers involves New Physics at mass scales comparable to that of familiar matter—below the GeV scale but with very feeble interaction strength. New theoretical ideas to address dark matter and other fundamental questions predict such feebly interacting particles (FIPs) at these scales, and existing data may even provide hints of this possibility. Emboldened by the lessons of the LHC, a vibrant experimental program to discover such physics is underway, guided by a systematic theoretical approach that is firmly grounded in the underlying principles of the Standard Model. We give an overview of these efforts, their motivations, and the decadal goals that animate the community involved in the search for FIPs, and we focus in particular on accelerator-based experiments.


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