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The ground constantly shifts between, say, quick glances at quantum mechanics and lingering homages to the Scott Bakula show "Quantum Leap".
This year, the Edinburgh fringe boasts musicals based on Fifty Shades of Grey, Game of Thrones and Doctor Who; at least two takes on Downton Abbey; an improvised riff on 90s sci-fi show Quantum Leap; four standup shows inspired to varying degrees by Breaking Bad; and Canadian performer Charles Ross, who is alternating two shows – a one-man Star Wars on one night and Lord of the Rings on the next.
But near zero Kelvin, even large objects should show quantum behavior.
Graphene quantum dots vary with their size: Large dots form molecular-scale transistors, intermediate ones show quantum chaos, and the smallest act as single-electron detectors.
Those machines are nowhere near powerful enough to show quantum advantage, but they do give developers the ability to start experimenting with using quantum computers.
The graphene layers are continuous, almost free-standing and show quantum transport properties comparable with high-quality, low-doped, exfoliated graphene.
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A demonstration of the way in which BECs show quantum-mechanical effects on a macroscopic scale was given by Naomi S. Ginsberg and colleagues of Harvard University.
Now, though — as Haroche and Wineland's Nobel shows — quantum computing is extremely concrete.
The superconducting critical field shows quantum size effect when the ring is small.
The image shows quantum ring structures with a density of approximately 2.4×109 cm−2.
X-ray diffraction showed that the films consisted of small CdTe nanocrystallites, 2.91 to 3.57 nm in size, showing quantum size effects.
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