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Quantum Physics

In nanostructured systems pronounced quantum behavior can be observed. We develop the theoretical tools to better describe few and many-body quantum systems in the presence of correlations and coherence, and we use advanced nanodevices to experimentally observe these effects. Goals are the discovery of new quantum physics and its potential future use in advanced device design.

Transport spectroscopy of a nanowire quantum dot (model and experiment) Transport spectroscopy of a nanowire double quantum dot (model and experiment). The notation indicates the 2-electron spin states that are involved in the transport.

Transport physics

We focus on experimental and theoretical studies of the transport physics
and application aspects of nanostructures and quantum devices made from
semiconductor heterostructures and nanowires, as well as emerging new

Quantum information

An ability to utilize quantum resources like the superposition of states
and entanglement opens completely new perspectives for technology. The
research focus of both experiment and theory is on generating and controlling long-lived coherent states and entanglement in different systems on the nanoscale.


We employ quantum thermodynamics to develop new paradigms for energy
conversion and quantum devices at the nanoscale, where thermal and quantum fluctuations may conspire to profoundly alter the physical properties. We set focus on interacting few- or many-particle quantum systems where
effects of quantum correlations, fluctuation statistics and quantum coherence lead to fundamentally new physics when reaching truly
microscopic sizes far from the thermodynamic limit.

Optical physics

We focus on studies of light interacting with nanostructured materials, in
both experiment and theory. Our motivation for this is to improve e. g.
the in- and out-coupling of light into nanostructures which is of
importance for electro-optical devices.

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Topical meetings

Topic: Quantum Physics

Date: 1st Friday of the month

Time: 10:00-11:00

Place: C368 (Physics building)

Organizers: Tönu Pullerits &
Ville Maisi

Topic:  Transport physics and electronic devices

Date: 2nd, 3rd and 4th Friday of the month

Time: 10:00-11:00

Place:  k-space (Physics building)

Organizers: Jonatan Fast & Sven Dorsch

Topic:  Nanothermodynamics

Date: Fridays

Time: 11:00-12:00

Place:  k-space (Physics building)

Organizer: Lukas Wittenbecher & David Barker

Area coordinators