2 papers
quant-ph2026
Liouvillian Gap in Dissipative Haar-Doped Clifford Circuits
Ha Eum Kim, Andrew D. Kim, Jong Yeon Lee
Quantum chaos is commonly assessed through probe-dependent signatures that need not coincide. Recently, a dissipative signature was proposed for chaotic Floquet systems, where infi…
cond-mat.str-el2025
Field-induced magnon decays in dipolar quantum magnets
Andrew D. Kim, Ahmed Khalifa, Shubhayu Chatterjee
We investigate the spontaneous disintegration of magnons in two-dimensional ferromagnets and antiferromagnets dominated by long-range dipolar interactions. Analyzing kinematic cons…