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In a new study, scientists argue that there is no length contraction, and both clocks should tick at the same rate in accordance with special relativity. (Phys.org) -- Philosophers have debated the nature of time long before Einstein and modern physics.
But in the 106 years since Einstein, the prevailing view in physics has been that time serves as the fourth dimension of space, an arena represented mathematically as 4D Minkowski spacetime.
The rate of photon clocks in faster inertial systems will not slow down with regard to the photon clocks in a rest inertial system because the speed of light is constant in all inertial systems, he said.
The rate of atom clocks will slow down because the 'relativity' of physical phenomena starts at the scale of pi mesons. He also explained that, without length contraction, time dilation exists but in a different way than usually thought.
The definition of time as a numerical order of change in space is replacing the 106-year-old concept of time as a physical dimension in which change runs, Sorli said.
We consider time being only a mathematical quantity of change that we measure with clocks. By 1949, Gödel had produced a remarkable proof: 'In any universe described by the theory of relativity, time cannot exist.' Our research confirms Gödel's vision: time is not a physical dimension of space through which one could travel into the past or future. In the future, Sorli and Fiscaletti plan to investigate how this view of time fits with the broader surroundings.
According to length contraction, clock A should tick faster than clock B. Inertial mass and gravitational mass have the same origin: diminished energy density of a quantum vacuum. This model gives exact calculations for the Mercury perihelion precession as calculations of the general theory of relativity. Explore further: Scientists suggest spacetime has no time dimension More information: Amrit Sorli and Davide Fiscaletti. But Sorli and Fiscaletti argue that the slow clocks can better be described by the relative velocity between the two reference frames, which the clocks measure, not which the clocks are a part of.In this view, space and time are two separate entities.