947 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Chalmers University of TechnologySE951 papers
- Centre National de la Recherche ScientifiqueFR125 papers
- KTH Royal Institute of TechnologySE116 papers
- Nicolaus Copernicus Astronomical CenterPL57 papers
- Stockholm UniversitySE53 papers
- Uppsala UniversitySE46 papers
- Lund UniversitySE42 papers
- Silesian University in OpavaCZ38 papers
- Heriot-Watt UniversityGB37 papers
- University College LondonGB33 papers
- B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of UkraineUA32 papers
- The Open UniversityGB30 papers
23 papers · 1 filter
AdS twistors for higher spin theory
Martin Cederwall
We construct spectra of supersymmetric higher spin theories in D=4, 5 and 7 from twistors describing massless (super-)particles on AdS spaces. A massless twistor transform is deriv…
A possible 3:2 orbital epicyclic resonance in QPOs frequencies of Sgr A*
Gabriel Török
A recent measurement of double peak QPOs frequencies in Sgr A* is consistent with the 3:2 ratio. The same ratio is firmly established by previous observations in all double peak kH…
Epicyclic frequencies derived from the effective potential: simple and practical formulae
M. A. Abramowicz, W. Kluzniak
We present and discuss a short and simple derivation of orbital epicyclic frequencies for circular geodesic orbits in stationary and axially symmetric spacetimes. Such spacetimes i…
On the Aggregation of Inertial Particles in Random Flows
B. Mehlig, M. Wilkinson, K. Duncan +2
We describe a criterion for particles suspended in a randomly moving fluid to aggregate. Aggregation occurs when the expectation value of a random variable is negative. This random…
Understanding of the phase transformation from fullerite to amorphous carbon at the microscopic level
M. Moseler, H. Riedel, P. Gumbsch +2
We have studied the shock-induced phase transition from fullerite to a dense amorphous carbon phase by tight-binding molecular dynamics. For increasing hydrostatic pressures P, the…
Counterexamples to the Neggers-Stanley conjecture
Petter Brändén
The Neggers-Stanley conjecture (also known as the Poset conjecture) asserts that the polynomial counting the linear extensions of a partially ordered set on by thei…
Influence of the Rashba effect on the Josephson current through a superconductor/Luttinger liquid/superconductor tunnel junction
I. V. Krive, A. M. Kadigrobov, R. I. Shekhter +1
The Josephson current through a 1D quantum wire with Rashba spin-orbit and electron-electron interactions is calculated. We show that the interplay of Rashba and Zeeman interaction…
11D supergravity at
Dimitrios Tsimpis
We compute certain spinorial cohomology groups controlling possible supersymmetric deformations of eleven-dimensional supergravity up to order in the Planck length. At ${\cal…
An approach to quasi-Hopf algebras via Frobenius coordinates
Lars Kadison
We study quasi-Hopf algebras and their subobjects over certain commutative rings from the point of view of Frobenius algebras. We introduce a type of Radford formula involving an a…
A wavelet add-on code for new-generation N-body simulations and data de-noising (JOFILUREN)
Alessandro B. Romeo, Cathy Horellou, Joeran Bergh
Wavelets are a new and powerful mathematical tool, whose most celebrated applications are data compression and de-noising. In Paper I (Romeo, Horellou & Bergh 2003, astro-ph/030234…
Deformations of Lie Algebras using -derivations
Jonas Hartwig, Daniel Larsson, Sergei Silvestrov
In this article we develop an approach to deformations of the Witt and Virasoro algebras based on -derivations. We show that -twisted Jacobi type identity holds for generator…
Spintronics of a Nanoelectromechanical Shuttle
D. Fedorets, L. Y. Gorelik, R. I. Shekhter +1
We consider effects of the spin degree of freedom on the nanomechanics of a single-electron transistor (SET) containing a nanometer-sized metallic cluster suspended between two mag…
Construction of accurate Kohn-Sham potentials for the lowest states of the helium atom: Accurate test of the ionization-potential theorem
I. Lindgren, S. Salomonson, F. Möller
Accurate local Kohn-Sham potentials have been constructed for the ground $1s^2 ^1S$ state and, in particular, for the lowest triplet state of the helium atom, using el…
Properties of the doped spin 3/2 Mott insulator near half filling
Stellan Ostlund, A. Karlhede, T. H. Hansson
We develop an exact generalized Bogoliubov transformation for the spin 3/2 Hubbard model with large anti-Hunds rule coupling near half filling. Since our transformation is unitary,…
The upper kHz QPO: a gravitationally lensed vertical oscillation
M. Bursa, M. A. Abramowicz, V. Karas +1
We show that a luminous torus in the Schwarzschild metric oscillating along its own axis gives rise to a periodically varying flux of radiation, even though the source of radiation…
U-duality covariant membranes
Viktor Bengtsson, Martin Cederwall, Henric Larsson +1
We outline a formulation of membrane dynamics in D=8 which is fully covariant under the U-duality group SL(2,Z) x SL(3,Z), and encodes all interactions to fields in the eight-dimen…
On the effect of fluctuating recombination rates on the decorrelation of gene histories in the human genome
A. Eriksson, B. Mehlig
We show how to incorporate fluctuations of the recombination rate along the chromosome into standard gene-genealogical models for the decorrelation of gene histories. This enables…
The decay of photoexcited quantum systems: a description within the statistical scattering model
T. Gorin, B. Mehlig, W. Ihra
The decay of photoexcited quantum systems (examples are photodissociation of molecules and autoionization of atoms) can be viewed as a half-collision process (an incoming photon ex…
Fluctuations of the Shannon capacity in a Raleigh model of wireless communication
J. Staering, A. Eriksson, B. Mehlig
Using the fact that the Shannon capacity C of a Raleigh model of wireless channels is a linear statistic of the channel matrix, we calculate its variance var[C]. We find that the e…
Shot Noise and Full Counting Statistics from Non-equilibrium Plasmons in Luttinger-Liquid Junctions
Jaeuk U. Kim, Jari M. Kinaret, Mahn-Soo Choi
We consider a quantum wire double junction system with each wire segment described by a spinless Luttinger model, and study theoretically shot noise in this system in the sequentia…
Caustics in turbulent aerosols
M. Wilkinson, B. Mehlig
Networks of caustics can occur in the distribution of particles suspended in a randomly moving gas. These can facilitate coagulation of particles by bringing them into close proxim…
Phase-Controlled Force and Magnetization Oscillations in Superconducting Ballistic Nanowires
I. V. Krive, I. A. Romanovsky, E. N. Bogachek +1
The emergence of superconductivity-induced phase-controlled forces in the (0.01-0.1) nN range, and of magnetization oscillations, in nanowire junctions, is discussed. A giant magne…
Gene-history correlation and population structure
A. Eriksson, B. Mehlig
Correlation of gene histories in the human genome determines the patterns of genetic variation (haplotype structure) and is crucial to understanding genetic factors in common disea…