Coherent states of composite bosons

Abstract

We present a systematic analysis on coherent states of composite bosons consisting of two distinguishable particles. By defining an effective composite boson (coboson) annihilation operator, we derive its eigenstate and commutator. Depending on the elementary particles comprising the composite particles, we gauge the resemblance between this eigenstate and traditional coherent states through typical measures of nonclassicality, such as quadrature variances and Mandel's Q parameter. Furthermore, we show that the eigenstate of the coboson annihilation operator is useful in estimating the maximum eigenvalue of the coboson number operator.

Published version, 4 pages, 1 figure

References in corpus (4)

• Quantum Many-Body Dynamics of Coupled Double-Well Superlattices
• Bosonic behavior of entangled fermions
• Collective interference of composite two-fermion bosons
• Energy dependence of the entanglement entropy of composite boson (quasiboson) systems

Cited by in corpus (9)

• How bosonic is a pair of fermions?
• Composite-boson approach to molecular Bose-Einstein condensates in mixtures of ultracold Fermi gases
• Quantum information approach to Bose-Einstein condensation of composite bosons
• Two-boson composites
• Statistical signatures of states orthogonal to the Fock-state ladder of composite bosons
• Assembly of 2N entangled fermions into multipartite composite bosons
• On dynamical stability of composite quantum particles: when entanglement is enough and when interaction is needed
• Effect of Pauli blocking on coherent states of composite bosons
• Nonlocal bunching of composite bosons