Field induced spontaneous quasiparticle decay and renormalization of quasiparticle dispersion in a quantum antiferromagnet

Hong, T; Qiu, Y; Matsumoto, M; Tennant, DA; Coester, K; Schmidt, KP; Awwadi, FF; Turnbull, MM; Agrawal, H; Chernyshev, AL

Hong, T (reprint author), Oak Ridge Natl Lab, Quantum Condensed Matter Div, Oak Ridge, TN 37831 USA.

NATURE COMMUNICATIONS, 2017; 8 ( ):

Abstract

The notion of a quasiparticle, such as a phonon, a roton or a magnon, is used in modern condensed matter physics to describe an elementary collective ......

Full Text Link