83 citations · 396 across the 31 of their papers we have counts for
Showing 2019Show all
3 papers · 1 filter
quant-ph2019★ 14 cited
Sharing nonfungible information requires shared nonfungible information
Chris Fields, Antonino Marcianò
We show that sharing a quantum reference frame requires sharing measurement operators that identify the reference frame in addition to operators that measure its state. Observers r…
quant-ph2019
Decoherence as a sequence of entanglement swaps
Chris Fields
Standard semi-classical models of decoherence do not take explicit account of the classical information required to specify the system - environment boundary. I show that this info…
quant-ph2019★ 18 cited
Some Consequences of the Thermodynamic Cost of System Identification
Chris Fields
The concept of a ``system'' is foundational to physics, but the question of how observers identify systems is seldom addressed. Classical thermodynamics restricts observers to fini…