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NORDITA NEWSLETTER. 2010, ISSUE 4

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Christopher Pethick awarded the Hans Bethe Prize

Chris Pethick will receive the 2011 Hans Bethe Prize from the American Physical Society,

?for fundamental contributions to the understanding of nuclear matter at very high densities, the structure of neutron stars, their cooling, and the related neutrino processes and astrophysical phenomena.?


Chris is Professor Emeritus at Nordita and NBI following his retirement earlier this year after 37 years of service as Nordita Professor. He 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.

The Hans Bethe Prize ?recognizes outstanding work in theory, experiment or observation in the areas of astrophysics, nuclear physics, nuclear astrophysics, or closely related fields.? It will be presented at a special ceremonial session of the APS April 2011 meeting in Anaheim, California, April 30-May 3, 2011.

Eddy Ardonne obtains a VR grant

Nordita Assistant Professor Eddy Ardonne received a grant from Vetenskapsrådet (the Swedish Research Council) to appoint a PhD student. The PhD position will be advertised in early 2011. The title of the project is "Topological phases of matter: characterization and stability".

Annica Black-Schaffer appointed a VR Research Assistant Professor at Uppsala University

Nordita Fellow Annica Black-Schaffer has been awarded a 4 year grant from Vetenskapsrådet to fund a forskarassistenttjänst (assistant professor) position in the Materials Theory group at Uppsala University. The title of her proposal is "Magnetism and superconductivity in two unique materials: graphene and high-Tc superconductors". She will take up her new position in Summer 2011.

New staff members at Nordita

Nordita welcomes three new Nordita Fellows:

Dr. Ville Lahtinen, received his PhD in 2010 from the University of Leeds and has since been a visiting scientist at ETH Zürich and Station Q at Santa Barbara. He has been working in the field of topological quantum computation, i.e. employing topologically ordered condensed matter systems to perform quantum computing tasks. His current interests include topological phase transitions in interacting anyon systems.

Dr. Sami Nurmi, received his PhD in 2008 from the University of Helsinki and was a post-doc at the University of Heidelberg before joining Nordita. He has recently been working on primordial non-Gaussianities and their connection to inflationary physics, infrared divergences of inflationary perturbations, and on dark energy.

Dr. Stefan Zieme, received his PhD in 2010 from the Humboldt University of Berlin. His thesis research was conducted and supervised at the Albert Einstein Institute in Potsdam. He has now joined Nordita for his first post-doc. His work is mainly in the context of the AdS/CFT correspondence with a focus on the determination of spectral data of N=4 Supersymmetric Yang Mills theory making use of the integrability of the theory.



Call for new Nordita Programs

Nordita invites applications for a new round of Nordita Programs in 2012-1012. The announcement and the guidelines for submitting a proposal can be found at www.nordita.org/propose'. The deadline is the 15th of December.

A Nordita Scientific program is an extended workshop where a limited number of scientists work together on specific topics for a period of 4 to 6 weeks. Program topics can range beyond the traditional borders of theoretical physics and scientists in related areas of the natural sciences are encouraged to submit proposals.

Up to 25 participants can be accommodated at any given time. This typically includes a core of 8-12 internationally recognized leaders in the subject area of the program, 5-8 invited Nordic scientists, and a limited number of other applicants including accompanying postdoctoral fellows and PhD students.



Current and upcoming Nordita Programs

Current

Random Geometry and Applications

from 01 November 2010 to 10 December 2010
The goal of this program is to bring together leading researchers in random geometry and related fields that represent a broad selection of the topics previously mentioned. It is our hope to create an environment of intensive research and mutual interaction between workers in the field across the traditional subject borders, and at the same time providing young researchers from the Nordic countries with an ideal opportunity to enter a field of research that covers a rich variety of appropriate research topics.

Upcoming

The influence of confinement on phase transitions (part 2)

from 12 to 17 December 2010
The impressively successful classical theories on phase transitions are based on the thermodynamic limit, which implies in?nitely large or small extension on all the systems that are considered. These theories fail, however, to address many important aspects, as ?niteness in extension is apparent in most physical systems. The question is of highly generic nature and has signi?cance within condensed matter physics, chemistry as well as biology.

The Return of de Sitter

from 28 February to 25 March 2011
Research topics to be covered include: cosmological probes of dark energy, induced gravity on higher codimension surfaces and defects, K?essence, alternatives to the cosmological constant, technical naturalness as a quali?ed guide to new physics, vacuum structure, and stringy perspectives.

Applications of network theory: from mechanisms to large-scale structure

from 28 March to 20 April 2011
The main idea is to convene key world-class researchers on complex networks and let them interact freely with the Nordic groups interested in the area. The program will be divided into four thematic areas: biological networks, general network theory, technological networks, and social networks. Many of the intended participants are interested in several of these points. A more intense, 3-day workshop will be arranged during the middle of the program.

All upcoming Nordita programs


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:

2010-069
3D MHD simulations of subsurface convection in OB stars
Matteo Cantiello, Jonathan Braithwaite, Axel Brandenburg, Fabio Del Sordo, Petri Käpylä, Norbert Langer
To appear in the proceedings of the IAU272 "Active OB stars: structure, evolution, mass loss and critical limits"
2010-070
Comment on "No-go theorem for bimetric gravity with positive and negative mass"
Sabine Hossenfelder
not to be published
2010-071
Antigravitation
Sabine Hossenfelder
Summary of talk at SUSY 2009, not to be published
2010-072
Phenomenological Quantum Gravity
Sabine Hossenfelder, Lee Smolin
Physics in Canada, Vol. 66 No. 2, Apr-June, p 99-102.
2010-073
At the Frontier of Knowledge
Sabine Hossenfelder
Contribution to the 2009 FQXi essay contest "What is Ultimately Possible in Physics?" not to be published
2010-074
Comments on and Comments on Comments on Verlindes paper On the Origin of Gravity and the Laws of Newton
Sabine Hossenfelder
not to be published
2010-075
Comments on Nonlocality in Deformed Special Relativity, in reply to arXiv:1004.0664 by Lee Smolin and arXiv:1004.0575 by Jacob et al
Sabine Hossenfelder
not to be published
2010-076
Reply to arXiv:1006.2126 by Giovanni Amelino-Camelia et al
Sabine Hossenfelder
not to be published
2010-077
Comment on arXiv:1007.0718 by Lee Smolin
Sabine Hossenfelder
not to be published
2010-078
Dynamical instability and loss of p-band bosons in optical lattices
J.-P. Martikainen
2010-079
Mean Field Theory For Non-Equilibrium Network Reconstruction
Yasser Roudi, John A. Hertz
2010-080
Exotic superfluid states of lattice fermions in elongated traps
D.-H. Kim, J. J. Kinnunen, J.-P. Martikainen, P. Törmä
2010-081
Dynamo generated field emergence through recurrent plasmoid ejections
Jörn Warnecke and Axel Brandenburg
To appear in the proceedings of the IAU273 "Physics of Sun and Star Spots"
2010-082
On global solar dynamo simulations
Petri J. Käpylä
Astron. Nachr. (submitted)
2010-083
Magnetohydrodynamics of superfluid and superconducting neutron star cores
K. Glampedakis, N. Andersson, L. Samuelsson
2010-084
Ambipolar diffusion in superfluid neutron stars
K. Glampedakis, D. I. Jones, L. Samuelsson
2010-085
Reynolds stress and heat flux in spherical shell convection
P. J. Käpylä, M. J. Korpi, G. Guerrero, A. Brandenburg, P. Chatterjee
Astron. Astrophys. (submitted)
2010-086
The negative magnetic pressure effect in stratified turbulence
K. Kemel, A. Brandenburg, N. Kleeorin, I. Rogachevskii
To appear in the proceedings of the IAU273 "Physics of Sun and Star Spots"
2010-087
Turbulence and magnetic spots at the surface of hot massive stars
Matteo Cantiello, Jonathan Braithwaite, Axel Brandenburg, Fabio Del Sordo, Petri Käpylä, Norbert Langer
To appear in the proceedings of the IAU 273 Symposium "Physics of Sun and Star Spot"
2010-088
GRMHD in axisymmetric dynamical spacetimes: the X-ECHO code
N. Bucciantini, L. Del Zanna
submitted to A&A
2010-089
Enantioseparation in micro?uidic channels
Chemical Physics 375, 568 (2010)
Ralf Eichhorn
2010-090
What do global p-modes tell us about banana cells?
Piyali Chatterjee
Journal of Physics: Conference Series (JPCS) for GONG 2010 - SoHO
2010-091
Lagrangian coherent structures in a nonlinear dynamo
Erico L. Rempel, Abraham C.-L. Chian, Axel Brandenburg
Astrophys. J. (submitted)
2010-092
Dissipation in dynamos at low and high magnetic Prandtl numbers
A. Brandenburg
Astron. Nachr. (submitted)
2010-093
Self-consistent superconducting proximity effect at the quantum spin Hall egde
Annica M. Black-Schaffer
2010-094
Magnetic helicity transport in the advective gauge family
Simon Candelaresi, Alexander Hubbard, Axel Brandenburg, Dhrubaditya Mitra
Physics of Plasmas
2010-095
Decay of trefoil and other magnetic knots
Simon Candelaresi, Fabio Del Sordo, Axel Brandenburg
proceedings of IAU Symp. 274, Advances in Plasma Astrophysics, ed. A. Bonanno, E. de Gouveia dal Pino and A. Kosovichev
2010-096
Alpha effect due to buoyancy instability of a magnetic layer
P. Chatterjee, D. Mitra, M. Rheinhardt, A. Brandenburg
Astron. Astrophys. (submitted)
2010-097
Holographic three-point functions of semiclassical states
K. Zarembo
JHEP 1009 (2010) 030
2010-098
Spontaneous chiral parity breaking by hydromagnetic buoyancy
Piyali Chatterjee, Dhrubaditya Mitra, Axel Brandenburg and Matthias Rheinhardt
2010-099
Heating up the BIon
G. Grignani, T. Harmark, A. Marini, N. A. Obers, M. Orselli
2010-100
Statistics of polymer extensions in turbulent channel flow
Faranggis Bagheri,Dhrubaditya Mitra,Prasad Perlekar and Luca Brandt
submitted to Phys. Rev. E
2010-101
Plasmoid ejections driven by dynamo action underneath a spherical surface
Jörn Warnecke, Axel Brandenburg, Dhrubaditya Mitra
proceedings of IAU Symp. 274, Advances in Plasma Astrophysics
2010-102
Holographic metals at finite temperature
S. Nowling, V. G. M. Puletti, L. Thorlacius and T. Zingg



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.

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