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NORDITA NEWSLETTER. 2010, ISSUE 2

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Asymptotic freedom for Chris Pethick

Chris Pethick reached retirement age at the end of February after 37 years of service as Nordita Professor but he has by no means retired from his active life as a researcher and we look forward to his future contributions as Emeritus Professor at NBI and Nordita. His main current research interests are in ultracold atomic gases, especially strongly correlated Fermi gases, and in neutrino interactions in dense matter. In the latter area he has embarked on a programme to improve theoretical estimates of rates of neutrino processes in hot dense matter, which are a crucial ingredient in calculations of stellar collapse, supernovae, neutron star formation, gravitational wave generation, and neutron star cooling. Chris has contributed to diverse fields of physics, especially the properties of quantum liquids, both normal and superfluid, and the properties of dense matter and neutron stars. In 2008 he, together with Gordon Baym and Jason Ho, received the Lars Onsager Prize of the American Physical Society for his work on quantum liquids. He is a foreign member of the The Royal Danish Academy of Sciences and Letters and of the Royal Norwegian Society of Sciences and Letters, and a Fellow of the Americal Physical Society.



Nordita Professorship in Theoretical Condensed Matter Physics

Nordita is announcing a tenured professorship in theoretical condensed matter physics with an expected starting date in January 2011. This holder of the position is expected to play an important role in the ongoing buildup of Nordita in Stockholm, carrying out high-quality research and providing leadership in theoretical condensed matter physics. This will include guiding postdoctoral fellows, interacting with colleagues and visitors at Nordita and elsewhere in the Nordic countries, and taking an active part in organizing research programs and other events. There are no teaching obligations at Nordita, but faculty members are encouraged to engage in PhD supervision and advanced level teaching at Nordic universities. Strong candidates from any subfield of theoretical condensed matter physics and related areas, including biological physics, complex systems, and statistical physics, will be considered. The application deadline has been extended to September 15, 2010.

Further information can be found in the advertisement for the professorship on our homepage.



Extended deadline for new program for visiting PhD students

Nordita, the Nordic Institute for Theoretical Physics, has announced a new program, intended for PhD students in the Nordic and Baltic countries, offering selected students the opportunity to spend time at Nordita and take advantage of the research environment and ongoing scientific activities at the institute and the AlbaNova University Center in Stockholm. This can, in particular, include collaboration on research projects with Nordita academic staff and participation in Nordita Scientific Programs in areas of interest to the students, but should also be viewed as an opportunity to broaden their general knowledge and to interact with researchers working in diverse areas of modern theoretical physics. Visiting PhD fellows may also be interested in taking PhD-level courses offered at Stockholm area universities.

A Visiting PhD Fellowship will be awarded for a period of one to four months, providing accommodation and a contribution towards travel and living expenses in Stockholm. Fellows must be registered PhD students in theoretical physics or a related subject at a university in the Nordic or Baltic countries at the time of the fellowship visit to Nordita. Applications for the fellowship program can be submitted at http://phdfellows.nordita.org and please note that only on-line applications will be considered. A letter of recommendation from a senior scientist who is familiar with the work of the candidate is required and should be submitted via the on-line system.

Fellowships are awarded twice a year but starting dates for stays at Nordita are flexible. The application deadline for Fall 2010 has been extended to June 15, 2010 and applications for Spring 2011 should be received by November 30, 2010. Please direct enquiries about Nordita Visiting PhD Fellowships to the Director of Nordita, Professor Larus Thorlacius (larus@nordita.org).



Current and upcoming Nordita Scientific Programs

Nordita programs are open events. Anyone can apply. Participation is however limited to a maximum of about 25 participants at any given time. Notifications will be sent out by Nordita. See the list of all Nordita programs on our home page.

Integrability in String and Gauge Theory; AdS/CFT Duality and its Applications

Details

The program has two main themes. One is integrability in N = 4 gauge theories, where there has been remarkable progress over the last six years. The scienti?c goal of this part of the program is to bring together leaders in the ?eld in order to attack the many remaining problems in the subject. The core participants for the program are expected to be specialists in integrability, gauge theories and/or string theory, fostering an environment to aid in the search for new directions in N = 4 gauge theories and other theories that have an underlying integrable structure.

The 2010 conference on Integrability in Gauge and String Theories (IGST2010) will be held at the program site from 28 June to 2 July.

The other theme of the program is applications of AdS/CFT duality. The goal of this part of the program is further advance the exciting developments that have taken place with regard to quark-gluon plasmas, non-relativistic CFTs, hydrodynamics, and possible applications to condensed matter systems.

Another objective of the program is to support interaction between the two main themes. It is anticipated that specialists from each group will be simultaneously present, allowing for the exchange of new ideas between the two groups.

Quantum solids, liquids, and gases

from 19 July 2010 to 27 August 2010

Details and application form

This program will focus on frontiers in the physics of quantum solids, liquids and gases (defined in a broad sense) including recent developments in superfluids, supersolids, superconductors, excitonic condensates and Bose-Einstein condensates in traps. Specific topics include: Topological defects, phase transitions and improved numerical methods for their investigation, novel materials, novel realizations of superfluid states and supersolidity.

Quantum Matter in Low Dimensions: Opportunities and Challenges

from 30 August 2010 to 24 September 2010

Details and application form

The program is aimed at bringing together experts in the ?elds of nanoscale and low-dimensional condensed matter physics, quantum gases, integrable models, statistical and quantum ?eld theory, and mathematical physics, to develop interdisciplinary communication and collaborations. Experimentalists will be visiting for shorter periods, to provide overview talks on recent developments. An important aspect of the workshop is to boost fundamental theoretical research on nanoscale and low-dimensional systems.

Quantum Information

from 27 September 2010 to 29 October 2010

Details and application form

The interdisciplinary field of quantum information processing and communication connects at its deepest level quantum mechanics, photonics, solid state physics, atomic physics, and electronics with computer science and information theory in order to gain features in cryptography, communication, and computing that are impossible to achieve using classical methods. Quantum information science has also revitalized the discussions about the foundations of quantum theory. This field has grown explosively and is now one of the hottest subfields of both computer science and physics.

The scientific program on Quantum Information is primarily focusing on physical and theoretical aspects of quantum information processing and communication, as well as on their physical implementation. The aim of the program is to bring together key and active researchers in the foundations of quantum mechanics, quantum information theory, quantum communication, quantum key distribution, and quantum computing to review, present and discuss recent important results.



Nordita Board

The next meeting of the Nordita Board will be in Stockholm on June 4, 2010.



Nordita Preprints

→ Link to electronic preprints: www.nordita.org/preprints The following preprints have been posted to the Nordita on-line archive since the last newsletter issue:

2010-015
Black Hole Thermodynamics and Heavy Fermion Metals
E.J. Brynjolfsson, U.H. Danielsson, L. Thorlacius, T. Zingg
2010-016
Test-field method for mean-field coefficients with MHD background
M. Rheinhardt, A. Brandenburg
submitted to Astronomy and Astrophysics
2010-017
Bounds on an energy-dependent and observer-independent speed of light from violations of locality
Sabine Hossenfelder
2010-018
Gravitational waves from first order phase transitions during inflation
Diego Chialva
2010-019
Magnetorotational instability driven dynamos at low magnetic Prandtl numbers
Petri J. Käpylä, Maarit J. Korpi
submitted to MNRAS
2010-020
Numerical simulations of the decay of primordial magnetic turbulence
Tina Kahniashvili, Axel Brandenburg, Alexander G. Tevzadze, Bharat Ratra
PRD, submitted
2010-021
Mechanism of spontaneous formation of stable magnetic structures on the Sun
I.N. Kitiashvili, A.G. Kosovichev, A.A. Wray, N.N. Mansour
submitted to the Astrophysical Journal
2010-022
Kelvin-Helmholtz Instability at the interface of a disc-corona system
Mohsen Shadmehri, Perikles Rammos
Monthly Notices Roy. Astron. Soc. (in press)
2010-023
On a self-sustained process at large scale in the turbulent channel flow
Yongyun Hwang, Carlo Cossu
Phys. Rev. Lett. 2010 (submitted)
2010-024
Magnetic helicity fluxes in an ?2 dynamo embedded in a halo
A. Hubbard, A. Brandenburg
GAFD, submitted
2010-025
Triplet proximity effect and odd-frequency pairing in graphene
Jacob Linder, Annica M. Black-Schaffer, and Asle Sudbo
Submitted to Physical Review
2010-026
Massless Chiral Supermultiplets of Higher Spins and the θ-Twistor
M. Chaichian, A. Tureanu and A.A. Zheltukhin
2010-027
Cross helicity and turbulent magnetic diffusivity in the solar convection zone
G. Ruediger, L.L. Kitchatinov, A. Brandenburg
Solar Phys. (submitted)
2010-028
Clebsch-Gordan and 6j-coefficients for rank two quantum groups
Eddy Ardonne, Joost Slingerland
Mathematica notebooks containing the various q-CG and 6j symbols
2010-029
Holographic models with anisotropic scaling
E.J. Brynjolfsson, U.H. Danielsson, L. Thorlacius, T. Zingg
2010-030
Turbulent transport in hydromagnetic flows
A. Brandenburg, P. Chatterjee, F. Del Sordo, A. Hubbard, P. J. Käpylä, M. Rheinhardt
Physica Scripta, topical issue, submitted
2010-031
Modeling the spectral evolution of PWNe inside SNRs
Bucciantini, N., Arons, J., Amato, E.
Submitted to MNRAS
2010-032
Modeling the turbulent cross-helicity evolution: Production, dissipation, and transport rates
Nobumitsu Yokoi
Journal of Turbulence (submitted)
2010-033
Dynamics and Performance of Susceptibility Propagation on Synthetic Data
Erik Aurell, Charles Ollion, Yasser Roudi
2010-034
Can catastrophic quenching be alleviated by separating shear and $\alpha$ effect?
P. Chatterjee, A. Brandenburg, G. Guerrero
Geophys. Astrophys. Fluid Dyn. (in press)
2010-035
Magnetic helicity fluxes in interface and flux transport dynamos
P. Chatterjee, G. Guerrero, A. Brandenburg
Astron. Astrophys. (submitted)
2010-036
Shear-driven and diffusive helicity fluxes in alpha-Omega dynamos
G. Guerrero, P. Chatterjee and, A. Brandenburg
Monthly Notices Roy. Astron. Soc., submittted
2010-037
MHD models of Pulsar Wind Nebulae
N. Bucciantini
Invited Review, Proceedings of the "ICREA Workshop on The High-Energy Emission from Pulsars and their Systems", Sant Cugat, Spain, April 12-16, 2010
2010-038
A high-order public domain code for direct numerical simulations of turbulent combustion
N. Babkovskaia, N. E. L. Haugen, A. Brandenburg
J. Comp. Phys. (submitted)
2010-039
Effect of stratified turbulence on magnetic flux concentrations
Axel Brandenburg, Koen Kemel, Nathan Kleeorin, Igor Rogachevskii
Astrophys. J. (submitted)



Items for Nordita News

If you have information about meetings or other items that would be useful to include in Nordita News, please send it to Anne Jifält, Nordita, email: anne@kth.se.

For back issues of the Nordita newsletter, see http://www.nordita.org/news/nordita_news/available_issues/index.php

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