CoE workshop

CoE workshop 2013

A workshop of the Center of Excellence in Low Temperature Quantum Phenomena and Devices

VENUE: Gustavelund Hotel and Conference Centre, Tuusula, Finland

7-8 November 2013

This workshop aims at strengthening the collaboration between the research groups and providing graduate students and postdocs with tutorials on a number of topical research areas topics that are represented in the CoE.

The venue of the workshop is Gustavelund Hotel and Conference Centre in Tuusula, not far from Helsinki. [link]

  • Transportation: on Thursday there will be a bus leaving at 9:15 from Otaniemi (in front of Nanotalo, Puumiehenkuja 2) and arriving 9:45 to Gustavelund. On Friday the bus departs from Gustavelund at 14:30.


Note: Tutorials are 40 min. including 10 min. time for discussions. Presentations of research topics are 10 min. per topic including 3 min. time for questions.


9:45 - 10:30 check-in and coffee

10:30 - 12:00

Thermodynamical and quantum information in mesoscopic devices

  • Tutorial: Thermodynamics with Superconducting Devices - Prof. J. Pekola and Dr. Yvan Khaymovich
  • Presentations of research topics
    • Aki Kutvonen: Thermodynamics in driven single electron tunneling
    • Jonne Koski: Maxwell's demon in an electronic circuit
    • Anna Feshchenko: Coulomb blockade thermometry at intermediate and very low temperatures
    • Yvan Savenko: Adiabatic correction to dynamics of a two-level driven system coupled to environment
    • Samu Suomela: Fluctuation relations for the quantum jump method

12:00 - 13:30 lunch

13:30 - 14:30

  • Tutorial: Nonadiabatic Quantum Control - Prof. Mikio Nakahara
  • Presentations of research topics
    • Karthikeyan S. Kumar: Nonlinear effects in a resonator-qubit quantum circuit
    • Klaara Viisanen: Fast thermometry to measure energy relaxation and dissipation in quantum circuits

14:30 - 17:00

Connecting excellence

The purpose of this event is to identify more common research topics within the CoE, discuss plans for future collaboration, and identify new ideas. During this event we plan to embark on several rowing boats and go to a nearby peninsula. Note that in November it could be quite cold, please remember to dress appropriately.

17:00 - 19:00

Low-temperature physics: techniques and applications

  • Tutorial: Adiabatic Demagnetization Refrigeration - Doc. Juha Tuoriniemi
  • Tutorial: Circuit Optomechanics - Juha Pirkkalainen
  • Presentations of research topics
    • Juho Rysti: Ultra-low temperature experiments on helium mixtures
    • Matti Manninen: Surface waves on superfluid 4He and 3He
    • Nikolay Beev: Multiplexing of transition edge sensor arrays
    • Leila Najafi: SQUIPT detector

19:00 - 20:30 dinner

20:30 - 21:00

From academic research to business

  • Tutorial: Commercializing Cryogenics - Prof. Arttu Luukanen

[Note: this tutorial will be 20 min.]

  • Presentations of research topics
    • Juho Luomahaara: SQUID sensors for combined MEG and MRI systems

21:00 - round-table and blackboard discussions. In parallel: sauna, swimming, recreational activities.


breakfast until 8:45

8:45 - 10:25

Graphene: from atomic scale to devices

  • Tutorial: Scanning Probe Microscopy - Prof. Peter Liljeroth
  • Presentations of research topics
    • Päivi Järvinen: Molecular self-assembly on graphene on SiO2 and h-BN substrates
    • Robert Drost: Interfaces in an epitaxial monolayer of graphene and h-BN
    • Mika Oksanen: Multimode Fabry-Perot resonance in suspended graphene
    • Antti Laitinen: Electron-phonon coupling in suspended graphene - supercollisions by flexural modes
    • Pasi Häkkinen: Suspended carbon nanotubes - manufacture and electrical transport

[Note: the last two talks of this session are M.Sc. thesis talks and will be 15 min.]

10:25 - 10:40 coffee break and chekout

10:40 - 12:00

Topological materials

  • Tutorial: Majorana Fermions in Solid-State Physics - Dr. Pauli Virtanen

[Note: this tutorial will be 30 min.]

  • Presentations of research topics
    • Joel Röntynen: Majorana fermions in superconducting chains
    • Ville Kauppila: Flat band superconductors - fluctuations and the critical field
    • Ville Maisi: Measurements on Andreev processes and quasiparticle relaxation with single event resolution
    • Timothe Faivre: Thermometry and bolometry by measurement of supercurrent
    • Pasi Lähteenmäki: Josephson junction arrays

12:00 - 13:30 lunch and checkout

13:30 - 14:30

  • Tutorial: Helium as a Topological Material - Prof. Grisha Volovik
  • Presentations of research topics
    • Samuli Autti: Bose-Einstein condensation of magnons into a Q-ball in superfluid 3He-B.
    • Petri Heikkinen: Dynamics of vortices and interfaces in superfluid 3He at ultra-low temperatures.

14:30 - departure