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325 papers · 1 filter
The Hubbard model in the canonical formulation
Sebastian Burri, Urs Wenger
We describe non-relativistic fermions on the lattice (Hubbard model) in the canonical formulation using transfer matrices in fixed fermion number sectors such that the partition fu…
Exact NLO Matching and Analyticity in
Hrachia M. Asatrian, Christoph Greub, Javier Virto
Exclusive rare decays mediated by transitions receive contributions from four-quark operators that cannot be naively expressed in terms of local form factors. Inst…
A Universal Length-Dependent Vibrational Mode in Graphene Nanoribbons
Jan Overbeck, Gabriela Borin Barin, Colin Daniels +13
Graphene nanoribbons (GNRs) have attracted considerable interest as their atomically tunable structure makes them promising candidates for future electronic devices. However, obtai…
On the rotator Hamiltonian for the SUSU sigma-model in the delta-regime
J. Balog, F. Niedermayer, P. Weisz
We investigate some properties of the standard rotator approximation of the SUSU sigma-model in the delta-regime. In particular we show that the isospin susceptib…
Yang-Baxter deformations and generalized supergravity -- A short summary
Domenico Orlando, Susanne Reffert, Jun-ichi Sakamoto +2
Integrable deformations of type IIB superstring theory on have played an important role over the last years. The Yang-Baxter deformation is a systematic…
FLAME: a library of atomistic modeling environments
Maximilian Amsler, Samare Rostami, Hossein Tahmasbi +4
FLAME is a software package to perform a wide range of atomistic simulations for exploring the potential energy surfaces (PES) of complex condensed matter systems. The range of met…