Formation of Spontaneous Density-Wave Patterns in dc Driven Lattices
Henrik P. Zahn, Vijay Pal Singh, Marcel N. Kosch, Luca Asteria, Lukas Freystatzky, K. Sengstock, Ludwig Mathey, Christof Weitenberg
Abstract
Strongly tilting a Bose-Einstein condensate in a triangular lattice of ultracold atoms induces the formation of pronounced density waves, which provide a prime example of spontaneous symmetry breaking.
Topics & Concepts
PhysicsCondensed matter physicsBose–Einstein condensateHexagonal latticePrime (order theory)Lattice (music)Symmetry breakingSpontaneous symmetry breakingDensity wave theoryQuantum mechanicsMathematicsCombinatoricsAntiferromagnetismAcousticsCold Atom Physics and Bose-Einstein CondensatesStrong Light-Matter InteractionsQuantum, superfluid, helium dynamics