Question

In a potential of this type, transitions between states can be suppressed by tuning the potential to the “magic wavelength.” In a potential of this type, the ratio between an interaction matrix element, U, and a tunneling parameter, J, has a critical value denoting a phase transition. Rubidium atoms in a potential of this type transition between (-5[1])superfluid and Mott insulator states as the potential depth is increased. An alternative to the fountain method for making (*) atomic clocks involves a potential of this type which traps atoms using the AC Stark effect. The interference of crossed laser beams forms an “optical” (10[1])analogue of these structures, (10[1])which in 3 dimensions come in 14 types and are built from primitive, face-centered, or body-centered unit cells. (10[1]-5[1])For 10 points, give this term for the periodic structure formed by crystals. ■END■ (10[3])

ANSWER: lattices [accept optical lattices or crystal lattices; prompt on periodic potentials or harmonic oscillator potential or anharmonic oscillator potential; prompt on optical potential before “optical”]
<BB>
= Average correct buzz position

Buzzes

PlayerTeamOpponentBuzz PositionValue
Iain CarpenterIllinois A+Maryland B-56-5
Eric MukherjeeAmartya Senpai Notice MeChicago B+10010
Taylor HarveyMojo ShojoNorthwestern10410
Davis Everson-RoseEpic GamesChicago A122-5
Charles HangWUSTLOSU12210
Adam FineChicago AEpic Games13610
Jerry VinokurovMaryland B-Illinois A+13610
Jonathan VaysmanMaryland B-Purdue13610

Summary

2023 BHSU @ Northwestern02/25/2023Y6100%0%33%122.33
2023 BHSU @ Maryland03/11/2023N3100%0%33%116.00
2023 BHSU @ Berkeley03/18/2023N3100%0%67%131.00
2023 BHSU @ Yale04/08/2023N3100%33%33%106.00
2023 BHSU @ Waterloo04/15/2023N3100%0%67%134.67