Research

Quan­tum Infor­ma­tion and Com­pu­ta­tion

Hans J. BRIEGEL

Bio and Nano Phy­sics

Thomas FRANOSCH

Many-Body Quan­tum Optics

Hannes PICHLER

Cavity Quan­tum Elec­tro­dy­na­mics

Helmut RITSCH

Quan­tum com­mu­ni­ca­tion and quan­tum net­works

Wolfgang DÜR

Mathe­ma­ti­cal Quan­tum Phy­sics

Gemma DE LES COVES

None­qui­li­brium Quan­tum Mat­ter

Michael BUCHHOLD

Quan­tum Com­pu­ting

Wolfgang LECHNER

Quan­tum Optics and Quan­tum Metro­logy

Klemens HAMMERER

Quantum Simu­la­tion Theory

Torsten ZACHE

Quantum Many-Body Dyna­mics

Federica SURACE

Quantum Cryp­to­graphy

Ramona WOLF

News

AI: The price of remem­bering

AI systems operate using accu­mu­lated knowl­edge. However, they are subject to phys­ical limi­ta­tions, as researchers from the Univer­sity of Inns­bruck demon­strate in a recent study. Within a frame­work describing the ther­mo­dy­namic limits of infor­ma­tion process­ing, they provide math­e­mat­ical proof that, in some cases, agents who interact with their envi­ron­ment can only operate as energy-effi­ciently as possible if they forget infor­ma­tion—even infor­ma­tion that would improve their predic­tions.

One step closer to the ideal glass

In 1948, chemist Walter Kauz­mann published exper­i­mental data that could point to the exis­tence of an “ideal glass”: a hypo­thet­ical fourth state of matter in which a solid, despite having an amor­phous struc­ture, is in ther­mo­dy­namic equi­lib­rium. Using computer simu­la­tions, a team led by Inns­bruck physi­cist Gerhard Jung has now observed for the first time a “Kauz­mann tran­si­tion” from a liquid to an ideal glass.

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About us

The Department of Theoretical Physics is part of the Faculty of Mathematics, Computer Science and Physics at the University of Innsbruck. With over 100 employees our department is one of the largest ones of the University of Innsbruck.

Our Department is also part of the Special Research Program BeyondC (SFB F71), which connects theoretical and experimental research groups from Innsbruck and Vienna. The consortium aims to develop and exploit new methods and tools to describe, characterize, validate, and manipulate quantum systems in order to achieve the experimental regime of quantum systems for quantum superiority, the ability of quantum computing devices to solve problems that their classical counterparts cannot. The Department of Theoretical Physics is also part of the Quantum Science Austria (quantA) cluster of excellence, which is further advancing fundamental research in the quantum sciences.

Additionally the technological capabilities have been improved recently by jointly used state-of-the-art facilities.

Information about the history of our department

Contact

Department of Theoretical Physics
ICT-Gebäude
Technikerstraße 21A
A-6020 Innsbruck
Österreich

Institutsleiter:
Univ.-Prof. Mag. Dr. Wolfgang Dür
Institutsreferentin:
Birgit Laimer

Tel. +43 512 507 52203
Fax +43 512 507 52299
theoretical-physics@uibk.ac.at
www.uibk.ac.at/th-physik