A recent study from SISSA proposes a new model of non-local interaction between the dark matter of a galaxy and gravity. Isaac Newton described his theory of gravity as a force that acts instantaneously across space: a planet immediately senses the effects of another astronomical object, regardless
A new study from SISSA suggests that dark matter interacts with gravity in a non-local way, challenging traditional theories and offering new perspectives on the nature of dark matter. Utilizing fractional calculus, the researchers found that this non-local interaction more accurately describes the motion of stars, especially in small-sized galaxies.
The principle of locality states that an object is directly influenced only by its surrounding environment: distant objects cannot communicate instantaneously, only what is here right now matters. However, in the past century, with the birth and development of quantum mechanics, physicists discovered that non-local phenomena not only exist but are fundamental to understanding the nature of reality.
“In recent decades, the scientific community has made great efforts to understand these enigmatic phenomena, but many questions remain unanswered. To explore the nature of dark matter and its interaction with gravity, a new approach may be necessary,” explain the authors of the study. The new research from SISSA has precisely explored this intriguing path.
“We wondered if fractional calculus could be the key to understanding the mysterious nature of dark matter and its interaction with gravity, and surprisingly, experimental results on thousands of galaxies of different types have shown that the new model more accurately describes the motion of stars compared to the standard theory of gravity,” explain the authors.
Moreover, it will be necessary to reconsider the standard model of cosmology considering this new mechanism.
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