most citedStudy of deteriorating semiopaque turquoise lead-potassium glass beads at different stages of corrosion using micro-FTIR spectroscopy

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quant-ph2006

How `hot' are mixed quantum states?

George Parfionov, Roman R. Zapatrin

Given a mixed quantum state of a qudit, we consider any observable as a kind of `thermometer' in the following sense. Given a source which emits pure states with these or t…

quant-ph2006★ 3 cited

`Lazy' quantum ensembles

George Parfionov, Roman Zapatrin

We compare different strategies aimed to prepare an ensemble with a given density matrix . Preparing the ensemble of eigenstates of with appropriate probabilities can be tre…