Lie–Schwinger Block-Diagonalization and Gapped Quantum Chains
Jürg Fröhlich, Alessandro Pizzo
Topics & Concepts
Hamiltonian (control theory)Bounded functionSpectral gapCoupling constantGround stateQuantumPhysicsQuantum mechanicsChain (unit)Mathematical physicsEnergy spectrumMathematicsMathematical analysisMathematical optimizationQuantum many-body systemsCold Atom Physics and Bose-Einstein CondensatesQuantum and electron transport phenomena