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A little over five decades ago, a form of matter was theorized to have existed, which perplexed scientists. This form of matter was finally discovered and the researchers were so excited about it, they named it Excitonium. This discovery poses some huge possibilities for science and at least answers one of the numerous giant mysteries.
The discovery is the fruit of the effort of physics professor Peter Abbamonte and his team who worked with multiple universities, including University of California, Berkeley and the University of Amsterdam. Together, they were able to prove that the mysterious form of matter that had scientists scratching their heads for 50 years is actually real, Phys.org reports.
The researchers published their paper in the Science journal, explaining what Excitonium is and what it means to science. The paper also details how they were able to discover this new form of matter.
“Excitons—bound states of electrons and holes in solids—are expected to form a Bose condensate at sufficiently low temperatures. Excitonic condensation has been studied in systems such as quantum Hall bilayers where physical separation between electrons and holes enables a longer lifetime for their bound states. Kogar et al. observed excitons condensing in the three-dimensional semimetal 1T-TiSe2. In such systems, distinguishing exciton condensation from other types of order is tricky. To do so, the authors used momentum-resolved electron energy-loss spectroscopy, a technique developed to probe electronic collective excitations. The energy needed to excite an electronic mode became negligible at a finite momentum, signifying the formation of a condensate,” the paper reads.
In simpler terms, Excitonium is essentially a condensate that’s made up of particles called excitons, Futurism reports. This condensate can be obtained by combining the escaped electrons with the so-called “holes” that they leave behind.
Now that the new form of matter has been conclusively proven to exist, scientists can proceed to actually study it to see what makes it tick. This could lead to some major leaps in the understanding of Quantum Physics.
