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ULTI2008

LOW TEMPERATURES 2008


Events:

Symposium on Quantum Phenomena and Devices at Low Temperatures, 28.-30.3.2008

Research evaluation of Low Temperature Laboratory, 31.3.2008

Celebration and alumni day of Low Temperature Laboratory, 1.4.2008



Photos from Low Temperatures 2008
Photos from Low Temperatures 2008

Low Temperatures 2008 is a five-day event which includes three parts: (i) A symposium on Quantum Phenomena and Devices at Low Temperatures, gathering international top researchers in nanoelectronics and low-temperature physics to a fairly informal meeting at Hotel Matinlahti, Espoo; (ii) A research evaluation of Low Temperature Laboratory (LTL) which is a Finnish national center of excellence in research; and (iii) celebration of more than 40 years of low temperature physics research and more than 100 doctoral theses achieved in LTL. Many of these doctors will also join the celebration.

Contents


Symposium on Quantum Phenomena and Devices at Low Temperatures

ULTI users meeting, Espoo, Finland, 28.-30.3.2008

VENUE

Hotel Matinlahti, Espoo, Finland. The hotel is located 12 km from the center of Helsinki.

REGISTRATION

Registration to Low Temperatures 2008 is now closed.

TRANSPORTATION

Bus connections from Helsinki downtown to Otaniemi are good (for example lines 102, 103, 194, and 195). For Matinlahti, you can use the bus lines 132 or 503. We will organize direct transportation from Airport to the conference site. Therefore it is important to mark your arrival and departure times in the registration form.

HOUSING

We have booked rooms from Hotel Matinlahti. Some participants may need to share rooms. We ask graduate students to indicate their preferred room mate on the registration form. For questions about housing or financial support, please contact the conference secretary Leena Meilahti.

PROCEEDINGS

Conference proceedings will we published in the Journal of Low Temperature Physics. The deadline for submission is May 31, 2008. See information on the submission at the JLTP web site - however, please do not use the online submission form but rather submit the manuscripts directly to Tero Heikkilä (nanophysics papers) or Vladimir Eltsov (other papers). Instructions for manuscript preparation can be found from the Springer web site. The LaTeX style file and the manuscript template are available from this web site. At the first stage of submission, a pdf version of the manuscript will suffice. There are no page limits for the manuscripts, but referees will be asked to consider if the length is appropriate.

POSTERS

Each participant presenting a poster is asked to prepare a short introductory talk (max 2 min) at the begining of the session. The 1-2 page slides (preferably pdf) should be given to poster chairmen well before the session. If you wish to present an unannounced poster, contact Tero Heikkilä (Nanophysics), Matti Krusius (Low temperature), or Risto Hänninen. Note that the maximum size for posters is 160cm x 160cm. The posters will fixed on the boards with pins which are available in the poster hall. Please fix the poster on the board in the morning well before your poster session.

TRAVEL EXPENSES

Participants are asked to fill this form for their travel expenses. Remember to indate your bank name, address, IBAN and SWIFT number for your account. Fill, print, sign, and post the form with receipts by April 18, 2008 to the following address:
TKK, Low Temperature Laboratory
Leena Meilahti
P.O. Box 5100
FIN-02015 TKK
FINLAND


PROGRAM


Friday, March 28:

1. Quantum turbulence in He superfluids in zero temperature limit (Chair: Matti Krusius)
09:00-09:35 Andrei Golov: Quasi-classical and ultra-quantum turbulences in superfluid 4He in the T = 0 limit (Slides)
09:35-10:10 Viktor Tsepelin: Quantum turbulence in 3He-B in zero temperature limit
10:10-10:45 Viktor L'vov : Turbulent vortex front in rotating superfluid 3He-B in T -> 0 limit (Slides)

10:45-11:15 Coffee

2. Measuring techniques of quantum turbulence in zero temperature limit (Chair: Nikolai Kopnin)
11:15-11:50 Richard Haley: Vibrating Objects in Superfluid 3He
11:50-12:25 Hideo Yano: Transition to turbulence in alternating boundary flow of superfluid 4He (Slides
12:25-13:00 Ladik Skrbek: Steady and Decaying Flow of He II in a Channel with Ends Blocked by Superleaks

13:00-14:00 Lunch

3. Quantum effects in resonance circuits (Chair: Mika Sillanpää)
14:00-14:35 Andreas Wallraff: Quantum Electrodynamics in Superconducting Circuits (Slides)
14:35-15:10 Andrew Armour: Dynamical instabilities in a resonator driven by a superconducting single electron transistor (Slides)
15:10-15:45 Alexander Shnirman: Lasing and cooling with Josephson qubits

15:45-16:15 Coffee

4. Superconductivity and noise in mesoscopic systems (Chair: Tero Heikkilä)
16:15-16:50 Yuli Nazarov: Full Counting Statistic as a Field Theory
16:50-17:25 Juan Carlos Cuevas: Magnetic Interference Patterns and Vortices in diffusive SNS Junctions (Slides)
17:25-18:00 Frank Hekking: Number squeezing, quantum fluctuations and oscillations in mesoscopic Bose Josephson junctions

18:00-19:00 Dinner

19:00-20:30 Poster session with refreshments

Posters on quantum turbulence: (Chair: Juha Tuoriniemi)

  1. Shoji Fujiyama: Numerical simulation on quantum turbulence created by an oscillating object (Slides)
  2. Andrei Golov: Quasi-classical and ultra-quantum turbulences in superfluid 4He in the T = 0 limit (Slides)
  3. Rob de Graaf: Decay of flow in 3He-B below 0.4 Tc after a step change in rotation (Slides)
  4. Jaakko Hosio: Quartz tuning fork as a probe of vortices in rotating 3He-B (Slides)
  5. Risto Hänninen: Instability of a quantized vortex at a solid boundary in applied flow (Slides)
  6. Martin Jackson: Detectors of pure quantum turbulence in superfluid 3He-B (Slides)
  7. Yusuke Nago: Study of transition to quantum turbulence triggered by vortex rings (Slides)
  8. Timo Virtanen: Solution of Landau-Boltzmann calculation for vibrating wire in 3He-4He mixtures (Slides)
  9. D. Schmoranzer: Observation of Two Physically Distinct Critical Velocities with a Vibrating Fork in Superfluid 4He (Slides)

Posters on nanophysics: (Chair: Mikko Möttönen)

  1. Hervé Courtois: Combined scanning force microscopy and scanning tunneling spectroscopy of an electronic nanocircuit at very low temperature
  2. Jenni Karvonen: Influence of Phonon Dimensionality on Electron Energy Relaxation
  3. Matti Laakso: Effective capacitance in a single-electron transistor
  4. Lorenz Lechner: Direct observation of gate-controlled Josephson inductance in multiwalled carbon nanotubes
  5. Juha Leppäkangas: Effect of decoherence on resonant Cooper-pair tunneling in a voltage-biased single-Cooper-pair transistor
  6. Jian Li, Khattiya Chalapat, and Sorin Paraoanu: Entanglement of superconducting qubits via microwave fields: classical and quantum regimes
  7. Joonas Peltonen: Detecting the third cumulant of shot noise with a hysteretic Josephson junction
  8. Jayanta Sarkar: Engineering LSET qubits
  9. Jani Tuorila: Cooling of a resonator with microwave induced charge-phase qubit transitions
  10. Pauli Virtanen: Phase states of multiterminal mesoscopic normal-metal-superconductor structures

Saturday, March 29:

5. Magnetic resonance in superfluids (Chair: Vladimir Eltsov)
09:00-09:35 Yuriy Bunkov: Bose-Einstein condensation of magnons in superfluid 3He
09:35-10:10 Grigori Volovik: NMR signature of Larkin-Imry-Ma effect of 3He in aerogel (Slides)
10:10-10:45 John Saunders: NMR on superfluid 3He confined in a nanoscale slab geometry

10:45-11:15 Coffee

6. Interface between condensed matter and quantum field theories (Chair: Grigori Volovik)
11:15-11:50 Ralf Schuetzhold: Dynamical quantum phase transitions
11:50-12:25 Sergej Demokritov: Room temperature Bose condensation of magnons
12:25-13:00 Frans Klinkhamer: Lorentz invariance, vacuum energy, and cosmology (Slides)

13:00-13:10 Symposium photograph
13:10-14:00 Lunch

7. Applications in nanophysics (Chair: Jukka Pekola)
14:00-14:35 Hervé Courtois: Phonon Cooling and Andreev Current-Induced Dissipation in a Hybrid Superconducting Nano-cooler (Slides)
14:35-15:10 Francesco Giazotto: Manipulation of Josephson current in out-of-equilibrium superconducting tunnel junctions
15:10-15:45 Jukka Pekola: Normal metal - superconductor hybrids for pumping charge and energy (Slides)

15:45-16:15 Coffee

8. Single-electron metrology (Chair: Antti Manninen)
16:15-16:50 Stephen Giblin: Sluices, pumps and phase-slip: the outlook for a quantum current standard (Slides)
16:50-17:25 Sergei Lotkhov: Impedance engineering in circuits for charge metrology (Slides)
17:25-18:00 Bernard Placais: Single electron experiments in quantum conductors (Slides)

18:00-19:00 Dinner

19:00-20:30 Poster session with refreshments

Posters on coherent quantum systems I: (Chair: Risto Hänninen)

  1. Sorin Paraoanu: Phase coherence and fragmentation in weakly interacting BECs (Slides)
  2. Marcel Clovecko: A spatial collective mode of magnon B-E condensate in superfluid 3He-B (Slides)
  3. Reyer Jochemsen: NMR and flow of 3He confined in nanochannel geometry (Slides)
  4. Sarah Mostame: Quantum simulator for the Ising model with electrons floating on helium film (Slides)
  5. Elias Pentti & Juho Rysti: Experiments and calculations on solubility and superfluidity of 3He in 4He (Slides)
  6. Anssi Salmela: Measurements on the osmotic pressure of 3He- 4He solutions at 25.3 bar pressure and at millikelvin temperatures (Slides)
  7. Matti Silveri: Stability of nontopological B-B domain walls in superfluid 3He (Slides)
  8. Peter Skyba: Interaction between two magnon B-E condensates in superfluid 3He-B connected via channel (Slides)
  9. Roman Solntsev: Axially symmetric order parameter textures and NMR lineshapes in 3He-B at 0.2-0.5 Tc (Slides)
  10. Sergey Vasiliev and Janne Ahokas: Pauli principle and exchange interactions in cold spin-polarized atomic hydrogen gas (Slides)

Posters on nanophysics: (Chair: Sorin Paraoanu)

  1. Romain Danneau: Shot noise in graphene
  2. Yvette Hancock: Spin-switching and single minority spin detector application in quasi-0D Hubbard chains
  3. Tommy Holmqvist: Development of Coulomb Blockade Thermometry
  4. Panu Koppinen: Cooling of electrons in suspended nanostructures
  5. Laura Korhonen and Antti Puska: Bloch oscillating transistor
  6. Juha Muhonen: Electronic cooling of a suspended nanowire
  7. Mikko Möttönen: Quantized current with SINIS turnstile
  8. Andrey Timofeev: Brownian electron refrigerator
  9. A. Uppstu: Transport calculations of nanographene---a modified tight-binding approach
  10. Juha Voutilainen: Nonequilibrium charge transport in quantum SINIS structures

Sunday, March 30:
Please, note that owing to the day-light saving schedule the switch from winter to summer time occurs over Saturday-Sunday night.

9. Helium crystals (Chair: Mikko Paalanen)
09:00-09:35 Moses Chan: Can a solid be superfluid? (Slides)
09:35-10:10 Takao Mizusaki: Sound properties of nuclear-spin-ordered bcc solid 3He (Slides)
10. Coherent condensates (Chair: Edouard Sonin)
10:10-10:45 Makoto Tsubota: Quantum turbulence - from superfluid helium to atomic Bose-Einstein condensates (Slides)

10:45-11:15 Coffee

11:15-11:50 Kalle-Antti Suominen: Majorana decomposition and spinor condensates (Slides)
11:50-12:25 Päivi Törmä: Recent developments in density imbalanced Fermi gases (Slides)
12:25-13:00 Ulf Leonhardt: Fiber-optical analogue of the event horizon (Slides)

13:00-14:00 Lunch

11. Electronic properties of graphene (Chair: Asta Kärkkäinen)
14:00-14:35 Konstantin Novoselov: Graphene electronic devices
14:35-15:10 Alberto Morpurgo: Transport at the charge neutrality point in single- and bi-layer graphene (Slides)
15:10-15:45 Francisco Guinea: Models for the electronic and structural properties of graphene

15:45-16:15 Coffee

12. Superconductivity in carbon nanotubes (Chair: Pertti Hakonen)
16:15-16:50 Poul-Erik Lindelöf: Josephson juntions and spin-electronics with single wall carbon nanotubes (Slides)
16:50-17:25 Franck Balestro: Molecular Spintronics : NanoSquid and single molecule transistor
17:25-18:00 Mats Jonson: Nanoelectromechanics with carbon nanotubes

18:00-19:00 Dinner

19:00-20:30 Poster session with refreshments

Posters on coherent quantum systems II: (Chair: Igor Todoshchenko)

  1. T.V. Chagovets: Cavitation in Liquid Helium Observed in a Flow Due to a Vibrating Quartz Tuning Fork
  2. Davide Galli: Solid 4He in two dimensions: supersolid or not? (Slides)
  3. Risto Hänninen: Superfluid vortex dynamics inside tilted rotating cylinder (Slides)
  4. Heikki Junes : New discoveries on the morphology of He-4 crystals (Slides)
  5. Timo Koponen: Ultracold Fermi gases in optical lattices
  6. Takao Mizusaki: Coherent Quantum Precession in Superfluid A-like Phase in Aerogel (Slides)
  7. Yusuke Nago: Critical velocity of quantum turbulence in alternating currents of superfluid 4He (Slides)
  8. Ville Pietilä: Vortex pump for dilute Bose-Einstein condensates (Slides)
  9. Hiromitsu Takeuchi: Donnelly-Glaberson instability in atomic Bose-Einstein condensates at zero temperature (Slides)

Posters on nanophysics: (Chair: Matthias Meschke)

  1. Asaf Avnon: Dielectric breakdown measurements for topgated carbon nanotube field effect transistors
  2. Franck Balestro: Quantum phase transition in a single-molecule transistor
  3. Romain Danneau: Single walled carbon nanotube Josephson junctions in the Fabry-Pérot and the Kondo regime
  4. Hervé Courtois: On the origin of hysteresis in proximity Josephson junctions
  5. Julien Delahaye: Anomalous electric field effect and glassy behaviour in granular aluminium thin films
  6. Stephen Giblin: A current standard based on quantum phase-slip
  7. Bernard Placais: Single carbon nanotube transistor at GHz frequency
  8. Fan Wu: Shot Noise with Interaction Effects in Single Walled Carbon Nanotubes

Monday, March 31: Research evaluation of the Low Temperature Laboratory
Lecture room E, TKK main building:
08:30–09:00 Coffee
09:00–09:15 Welcome to the science evaluation meeting, Anna Kalliomäki, Academy of Finland
09:15–09:45 Overview of the Laboratory and its research activities, Mikko Paalanen
09:45–10:00 Dynamics and turbulence in coherent systems, Matti Krusius
10:00–10:15 Interfaces in quantum systems, Harry Alles
10:15–10:30 Microkelvin investigations, Juha Tuoriniemi

10:30–10:45 Coffee

10:45–11:00 Quantum amplifiers and noise, Pertti Hakonen
11:00–11:15 Pumping charge and energy, Jukka Pekola
11:15–11:30 Superconducting quantum resonators, Sorin Paraoanu
11:30–11:45 THz imaging, Panu Helistö

11:45–13:00 Lunch (Aarne Oja, evaluators and observers)

13:00–13:15 Quantum field theories and superfluid 3He, Grigory Volovik
13:15–13:30 Dynamics of superfluid 3He and superconductors, Nikolai Kopnin
13:30–13:45 Mesoscopic phenomena in nanoelectronics, Tero Heikkilä

Low Temperature Laboratory, Nanotalo, Puumiehenkuja 2B:
13:45–14:30 Coffee
14:30–15:00 Guided tour of the new cryohall
15:00–17:00 Poster presentations by post-doctoral and senior research fellows
17:00–19:00 Light dinner (hosts, evaluators, observers)

Tuesday, April 1: LTL celebration & alumni meeting
On the occasion of the new Laboratory building and more than 100 Ph.D. theses from the Laboratory: The programme of this day of celebration is composed of physics and neuroscience colloquia, of visits to different research groups in the new laboratory building, and of an alumni meeting with a buffet dinner.
The programme will take place in the meeting hall SAHA next to the laboratory building. A map of the buildings in Otaniemi can be found on this web page, where the Lab is located in the western end of building # 9 and SAHA in the adjacent building # 18.

08:30-09:00 Coffee
09:00-09:50 Douglas Osheroff: How advances in science are made
09:50-10:40 Hans Ott: Energy transport in spin chains
10:40-11:00 Coffee
11:00-11:50 Hans Mooij: Superconducting flux qubits: macroscopic quantum objects (Slides)
11:50-12:40 Fernando Lopes da Silva: Can analytical methods applied to MEG/EEG allow forecasting of epileptic seizures? (Slides)
12:40-14:00 Lunch in local University canteens
14:00-15:00 Coffee and cake
15:00-15:15 Greetings of the University, Rector Matti Pursula
15:15-15:30 Greetings of the Academy of Finland, Director Markku Mattila
15:30-15:50 Low Temperature Laboratory - past, present, and future, Director Mikko Paalanen
15:50-16:00 2nd Olli V. Lounasmaa Prize, Riitta Hari
16:00-17:00 Seiji Ogawa: BOLD-based fMRI - its beginning and a new approach (Slides)
17:00-19:00 Laboratory tours
19:00- Alumni meeting and buffet-style dinner

Program committee:

Mikko Paalanen (chairman)
Tero Heikkilä (Nanophysics)
Matti Krusius (Low temperature)

Conference organization:

Mikko Paalanen, chairman, phone: +358503528899
Leena Meilahti, secretary, phone: +358503442614
Matti Krusius, general organization, phone: +358503442578
Heikki Junes, transportation, phone: +358503442372
Elias Pentti, transportation, phone: +358503442703
Rob de Graaf, audiovisual, phone: +3583442189
Vladimir Eltsov, proceedings editor, phone: +358503442428
Tero Heikkilä, proceedings editor, phone: +358503442469
Risto Hänninen, web-pages, phone: +358503442485

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