PT-symmetric non-Hermitian quantum many-body system using ultracold atoms in an optical lattice with controlled dissipation
Yosuke Takasu, Tomoya Yagami, Yuto Ashida, Ryusuke Hamazaki, Yoshihito Kuno, Yoshiro Takahashi
Abstract
Abstract We report our realization of a parity–time (PT)-symmetric non-Hermitian many-body system using cold atoms with dissipation. After developing a theoretical framework on PT-symmetric many-body systems using ultracold atoms in an optical lattice with controlled dissipation, we describe our experimental setup utilizing one-body atom loss as dissipation with special emphasis on calibration of important system parameters. We discuss loss dynamics observed experimentally.
Topics & Concepts
PhysicsDissipationOptical latticeUltracold atomHermitian matrixQuantumLattice (music)Quantum mechanicsBohr modelQuantum simulatorAtomic physicsQuantum computerSuperfluidityAcousticsQuantum Mechanics and Non-Hermitian PhysicsQuantum chaos and dynamical systemsQuantum, superfluid, helium dynamics