December 23, 2024

As Dense as It Gets: Using String Theory To Create a New Model for Matter

” We have currently used the new model in computer system simulations to compute the gravitational-wave signal from these accidents and reveal that both cold and hot quark matter can be produced,” adds Dr. Ecker, who implemented these simulations in cooperation with Samuel Tootle and Konrad Topolski from the working group of Prof. Luciano Rezzolla at Goethe University in Frankfurt.
Next, the researchers want to have the ability to compare their simulations with future gravitational waves measured from area in order to acquire further insights into quark matter in neutron star accidents.
Referral: “Hot and thick QCD at Strong Coupling” by Tuna Demircik, Christian Ecker and Matti Järvinen, 31 October 2022, Physical Review X.DOI: 10.1103/ PhysRevX.12.041012.

The brand-new work extends designs from nuclear physics.
A brand-new model for matter in neutron star collisions.
After a huge star burns its fuel and takes off as a supernova, an exceedingly compact item understood as a neutron star might form. In 2017, gravitational waves, the small ripples in spacetime that are produced throughout a collision of 2 neutron stars, might be straight determined here on earth for the first time.
The Asia Pacific Center for Theoretical Physics in Pohang, South Korea, Dr. Matti Järvinen, Dr. Tuna Demircik, and Dr. Christian Ecker from the Institute for Theoretical Physics of Goethe University Frankfurt, Germany, have now developed a brand-new model that allows them to GET one step closer to addressing this concern. They integrate designs from nuclear physics, which are not relevant at high densities, with a method utilized in string theory to describe the transition to dense and hot quark matter.
Illustration of the new method: the scientists use five-dimensional great voids (right) to compute the phase diagram of strongly paired matter (middle), enabling simulations of neutron star mergers and the produced gravitational waves (left). Credit: Goethe University Frankfurt/ Asia Pacific Center for Theoretical Physics, Pohang
” Our method utilizes a mathematical relationship found in string theory, particularly the correspondence in between five-dimensional great voids and highly communicating matter, to describe the phase transition in between dense nuclear and quark matter,” describes Dr. Demircik and Dr. Järvinen.