How can Einsteins theory of gravity be merged with quantum mechanics? Now, a new article in Nature Communications, written by scientists from Chalmers University of Technology, Sweden, and MIT, USA, presents results that cast brand-new light on crucial obstacles in understanding quantum gravity. How can Einsteins theory of gravity be unified with quantum mechanics? Now, a new short article in Nature Communications, written by scientists from Chalmers University of Technology, Sweden, and MIT, USA, provides outcomes that cast brand-new light on crucial difficulties in comprehending quantum gravity.
Just as everyday phenomena– such as the flow of a liquid– emerge from the chaotic motions of specific droplets, we desire to describe how gravity emerges from quantum mechanical system at the microscopic level,” states Robert Berman, Professor at the Department of Mathematical Sciences.
An example of a phenomenon that requires this kind of combined description is black holes. A black hole forms when an adequately heavy star expands and collapses under its own gravitational force, so that all its mass is focused in an extremely small volume. The quantum mechanical description of black holes is still in its infancy however includes magnificent advanced mathematics.
A streamlined model for quantum gravity
” The obstacle is to describe how gravity develops as an em ergent phenomenon. Simply as everyday phenomena– such as the flow of a liquid– emerge from the chaotic motions of private droplets, we desire to describe how gravity emerges from quantum mechanical system at the microscopic level,” states Robert Berman, Professor at the Department of Mathematical Sciences at Chalmers University of Technology.
In a post recently published in the journal Nature Communications, Daniel Persson and Robert Berman, together with Tristan Collins of MIT in the USA, showed how gravity emerges from an unique quantum mechanical system, in a simplified design for quantum gravity called the holographic concept.
” The challenge is to describe how gravity occurs as an em ergent phenomenon. Just as everyday phenomena– such as the circulation of a liquid– emerge from the disorderly motions of specific droplets, we wish to explain how gravity emerges from quantum mechanical system at the tiny level,” says Robert Berman, Professor at the Department of Mathematical Sciences. Credit: Rakel Berman
” Using strategies from the mathematics that I have investigated in the past, we handled to formulate a description for how gravity emerges by the holographic principle, in a more accurate way than has formerly been done,” describes Robert Berman.
RIpples of dark energy
The brand-new short article may also offer brand-new insight into mystical dark energy. In Einsteins basic theory of relativity, gravity is described as a geometric phenomenon. Just as a freshly made bed curves under an individuals weight, heavy things can flex the geometric shape of deep space. According to Einsteins theory, even the empty space– the vacuum state of the universe– has a rich geometric structure. If you might zoom in and look at this vacuum on a microscopic level, you would see quantum mechanical fluctuations or ripples, referred to as dark energy. It is this mysterious kind of energy that, from a larger point of view, is accountable for the accelerated growth of the universe.
This new work might cause new insights into how and why these tiny quantum mechanical ripples occur, as well as the relationship between Einsteins theory of gravity and quantum mechanics, something that has actually eluded scientists for years.
” These results open the possibility to check other elements of the holographic principle such as the microscopic description of black holes. We also intend to be able to use these brand-new connections in the future to break new ground in mathematics,” states Daniel Persson.
The clinical short article, “Emergent Sasaki-Einstein geometry and AdS/CFT” is released in Nature Communications and is composed by Robert Berman, Tristan Collins and Daniel Persson at Chalmers University of Technology, Sweden, and Massachusetts Institute of Technology, USA.
Reference: “Emergent Sasaki-Einstein geometry and AdS/CFT” by Robert J. Berman, Tristan C. Collins and Daniel Persson, 18 January 2022, Nature Communications.DOI: 10.1038/ s41467-021-27951-9.
How can Einsteins theory of gravity be merged with quantum mechanics? This is an obstacle that could provide us deep insights into phenomena such as great voids and the birth of deep space. Now, a new article in Nature Communications, written by researchers from Chalmers University of Technology, Sweden, and MIT, USA, presents results that cast brand-new light on essential difficulties in comprehending quantum gravity. Credit: Chalmers University of Technology/ Yen Strandqvist
How can Einsteins theory of gravity be merged with quantum mechanics? It is an obstacle that might offer us deep insights into phenomena such as great voids and the birth of deep space. Now, a new post in Nature Communications, composed by scientists from Chalmers University of Technology, Sweden, and MIT, USA, provides outcomes that cast new light on essential challenges in comprehending quantum gravity.
A grand challenge in contemporary theoretical physics is to discover a unified theory that can describe all the laws of nature within a single framework– connecting Einsteins basic theory of relativity, which explains the universe on a large scale, and quantum mechanics, which describes our world at the atomic level. Such a theory of quantum gravity would consist of both a tiny and macroscopic description of nature.
When we seek answers to questions in physics, we are often led to new discoveries in mathematics too. This interaction is especially prominent in the search for quantum gravity– where it is exceptionally challenging to perform experiments,” discusses Daniel Persson, Professor at the Department of Mathematical Sciences.
” We strive to understand the laws of nature and the language in which these are composed is mathematics. We are often led to new discoveries in mathematics too when we look for responses to questions in physics. This interaction is especially prominent in the look for quantum gravity– where it is very challenging to perform experiments,” describes Daniel Persson, Professor at the Department of Mathematical Sciences at Chalmers university of innovation.
