View source for Space-time and metric phenomena

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== Definition ==
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It is the condition of a region of the [[Elementary Field]] where the distribution of the stochastic fluctuations ([[Elementary Events]]) that constitute the [[Elementary Action]] is lower than the mean distribution of the surrounding regions. 

So, in a massive domain of the Field, as for a [[Particle]] of [[Ordinary matter]] or an halo of [[Dark matter]], we can identify a "'''gradient'''", a particular form of the correlation of the distributions of the intensity of the elementary fluctuations ([[Perturbation]]) of the point-events that compose that domain, in the sense of a minor intensity of those perturbations.
 
This is the '''root of metric phenomena'''.

The fundamental definition of metric, strictly related to the properties and dynamics of the [[Elementary Field]], is the difference of the intensity of Perturbation, the non-directional component of [[Action]] in a part of the Field with respect to the surrounding regions. '''Space-time curvature of the metrics''' determine the dimensions and the geometric properties of [[Physical Reality]].

The concept of metric (or space-time extension of domains of / in the Elementary Field, that characterize the regions in which we find many kind of physical entities / quantities that we observe or suppose as basic constituents of the physical world: dark matter, dark energy, ordinary matter), in relation with the [[Principle of General Equivalence]], can be expressed in more than one way (all equivalent to Metrics):

*the '''amount of Perturbation''', the density of the elementary perturbations (inhomogeneities/gradients in the distributions of the quantum fluctuations of the Elementary Field that we call Elementary Events) that characterize the Elementary Action
*the '''density of mass''' of space-time domains, that characterize many physical entities / quantities that we observe or suppose as basic constituents of the physical world: dark matter, dark energy, ordinary matter
*'''temperature of the Elementary Field''' or the temperature of space-time (see the phenomena called CMB - Cosmic Microwave Background)
*'''velocity of propagation of information/causality''' in the Elementary Field or speed of light in the void/vacuum

As a result of the [[Principle of General Equivalence]], the two arguments [[Space-time and metric phenomena]] and [[Mass and gravitational phenomena]] '''should collapse into a single argument'''. But we are used to considering space-time and mass as two distinct entities or phenomena. In fact, space-time extension and mass density are the same thing, they are (apparently) different manifestations of the same [[Dynamics of Physical Action|Dynamics]] of the [[Elementary Field]], of the same [[Modes of Physical Action|Modes / component of the Elementary Action]], which we call [[Perturbation]]. Thus, we should speak of space-time / mass and metric / gravitational phenomena instead of two distinct and different [[Phenomena|phenomenologies]]. 

Only for descriptive purposes and to maintain a certain adherence to the common vision of reality, we keep these two phenomenologies distinct, which in fact General Relativity has already recognized as intimately linked. Here we take a step further. '''We recognize their substantial identity''', a common origin, nature and dynamics. Mass can be defined as the curvature of space-time. The curvature is not an effect, a phenomenon, deriving from the existence of a mass, but is the true nature of the mass itself: the curvature of space-time "is" mass, and viceversa. In short, we do not consider mass here as a source of space-time curvature, of expansion-contraction of the metric, but we recognize them as the same thing, '''the same expression of the same deep and intimate nature of [[Physical Reality]]'''.

== Common definition  ==
{{WpPages}}
*[https://en.wikipedia.org/wiki/Space Space]
*[https://en.wikipedia.org/wiki/Time Time]
*[https://en.wikipedia.org/wiki/Space-time Space-time]
*[https://en.wikipedia.org/wiki/Metric Metric]
*[https://en.wikipedia.org/wiki/General_Relativity General Relativity]
*[https://en.wikipedia.org/wiki/Metric_tensor_(general_relativity) Metric tensor]
*[https://en.wikipedia.org/wiki/Quantum_gravity Quantum_gravity]

== Description ==

=== Spatial and temporal position and extension ===

No absolute spatial and temporal positions: no absolute point of reference

No absolute spatial and temporal extensions: no absolute distances, no absolute durations

Spatial and temporal position and extension are always relative, they depend on the space-time metric of the [[Elementary Field]] and on the [[Form]], [[Mass]] and dynamics of the considered [[Structure of Information]].

== See also ==
*[[Modes of Action|Modes / Components of Action]]
*[[Perturbation]]
*[[Phenomena]]
*[[Spatiality]]
*[[Physical Spatiality]]
*[[Space]]
*[[Temporality]]
*[[Physical Temporality]]
*[[Time]]
*[[Mass and gravitational phenomena]]
*[[Motion and kinetic phenomena]]
*[[Charge and electric phenomena]]
*[[Spin and magnetic phenomena]]

{{Template:LinksToTFNR}}
*[[TFNR - The world of continuity and the fundamental physical quantities: Mass - Motion - Charge - Spin]]
*[[TFNR - The emergence of space-time]]
*[[TFNR - The fundamental physical quantities in the terms of deformation of a homogeneous field]]
*[[TFNR - Mass (Perturbation – Gradient – Difference)]]
*[[TFNR - Unbelievable equivalencies]]
*[[TFNR - Gravity and Dark Energy: two complementary forces - two sides of the same coin]]
*[[TFNR - A general concept of Inertia]]
*[[TFNR - The Higgs mechanism in the term of Perturbation]]
*[[TFNR - Polarization in the gravitational field]]
*[[TFNR - What we intend for negative mass]]
*[[TFNR - Dark energy in the Universe at all scales]]
*[[TFNR - Gravitational and electromagnetic fields as a partial view of the dynamics of the Elementary Field]]
*[[TFNR - Mass]]
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