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- Lomonosov Moscow State UniversityRU255 papers
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18 papers · 1 filter
A comment on Metric vs Metric-Affine Gravity
Ulf Lindström, Özgür Sarıoğlu
We consider the sum of the Einstein-Hilbert action and a Pontryagin density (PD) in arbitrary even dimension . All curvatures are functions of independent affine (torsionless) c…
Dark Matter in the Alternative Left Right Model
Mariana Frank, Chayan Majumdar, Poulose Poulose +2
The Alternative Left-Right Model is an attractive variation of the usual Left-Right Symmetric Model because it avoids flavour-changing neutral currents, thus allowing the additiona…
Dimers, trimers, tetramers, and other multimers in a multiband Bose-Hubbard model
M. Iskin, A. Keleş
We study the bound states of identical bosons that are described by a multiband Bose-Hubbard model with generic hoppings and an attractive onsite interaction. Using a variation…
Gauge Invariant Derivation of Zeroth and First Laws of Black Hole Thermodynamics
K. Hajian, M. M. Sheikh-Jabbari, B. Tekin
In gauge invariant theories, like Einstein-Maxwell theory, physical observables should be gauge invariant. In particular, mass, entropy, angular momentum, electric charge and their…
Charmed baryon and decays in light cone sum rules
T. M. Aliev, S. Bilmis, M. Savci
The semileptonic and non-leptonic , decays of charmed baryon are studied within the light cone sum rules. T…
Yano F structures and extended Supersymmetry
Ulf Lindström
It is shown how extended supersymmetry realised directly on the (2,2) semichiral superfields of a symplectic sigma model gives rise to a geometry on the doubled tangent bundle cons…