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AFTER 50 YEARS EXCITONIUM’S

PRESENCE PROVED

MANY DECADES AGO, SCIENTISTS THEORIZED THE POSSIBILITY OF STRANGE MATERIAL
THEY CALLED “EXCITONIUM.” NOW, RESEARCHERS HAVE PROVEN ITS EXISTENCE.

Researchers at the University of Illinois Physics professor Peter Abbamonte matter what their momentum might be. Now that excitonium has been proven to
have announced an exciting finding and his team worked together with In other words, this was the first-ever exist and has been concretely observed
the discovery of a new form of matter: colleagues at Illinois, University of observation of a soft plasmon phase in experimentation, its properties can
excitonium. This material is made up California, Berkeley, and University of that is the precursor to the exciton be further explored and applied. Most
of a kind of boson, a composite particle Amsterdam to prove once-and-for- condensation. obviously, as a superconductor and
that could allow the matter to act as a all the existence of this strange and superfluid, this material could be used to
superfluid, superconductor, or even as mysterious type of matter that was “This result is of cosmic significance,”
an insulating electronic crystal. theorized more than 50 years ago. They Abbamonte stated in a press release. further existing technologies.
described how they detected excitonium “Ever since the term ‘excitonium’
in the journal Science. was coined in the 1960s by Harvard Additionally, since analyzing quantum
No: 03 theoretical physicist Bert Halperin, phenomena is what guides and
January Excitonium is a condensate made up of physicists have sought to demonstrate shapes our understanding of quantum
2018
ISSN: 2148-953X excitons, which are what you get when its existence. Theorists have debated mechanics, this research could help
you combine escaped electrons and the whether it would be an insulator, a to further demystify current quantum
Chairman “holes” they left. This quirky quantum perfect conductor, or a superfluid with puzzles. These applications, especially
Süleyman GÜLER mechanical pairing is possible because, some convincing arguments on all sides. those in practical technologies, are
Editor in semiconductors, electrons on the Since the 1970s, many experimentalists purely speculative at this point, however.
N. Berat DURMAZ edge of one energy level in an atom are have published evidence of the It is impossible to exactly predict what
Graphic Designer able, when excited, to jump into the next existence of excitonium, but their the future might hold for excitonium, but
Gülden KARADENİZ findings weren’t definitive proof and
energy level, leaving behind a “hole” in we do know for certain that it has more
the previous level. This hole acts like a could equally have been explained
Place of Publication by a conventional structural phase potential now than it ever has before.
Oğuzlar Mah. 1374 Sok. positively charged particle, attracting
No:2/4 Balgat - ANKARA the negatively charged electron that transition.”
Tel: 0 312 342 22 45
Fax: 0312 342 22 46 escaped.
e-mail: bilgi@labmedya.com
To prove the existence of excitons,
Subscriptions this team studied crystals doped with
abone@labmedya.com
dichalcogenide titanium diselenide
Publication Type
Local Term (1T-TiSe2), a transition metal. They were
even able to reproduce their results five 11 – 15 June
separate times. Frankfurt / Main

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Tel: 0 312 397 16 17 L L LaboratoryTechniques @ ACHEMAaboratoryTechniques @ ACHEMAaboratoryTechniques @ ACHEMA
were detecting excitonium or another T THE LAB IS WHERE IT ALL STARTS.
THE LAB IS WHERE IT ALL STARTS.HE LAB IS WHERE IT ALL STARTS.
Date of issue similar phase of matter. Using a novel #labtechniques
January 2018 - Ankara
technique, however, this research team
In addition to the Labmedya
was able to definitively measure, for
the first time, the collective excitations
WHAT IS LABMEDYA ? of the low-energy bosonic particles, www.achema.de
www.labmedya.com the paired electrons, and the holes, no