In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

Q: One variant of this phenomenon can be used to tune the electronic properties of boron nitride nanotubes from nearly insulating to metallic. Another variant of this phenomenon is induced by interference of standing laser waves to trap atoms of a Bose-Einstein condensate loaded into an optical lattice. Schrdinger's third article from his 1926 series of papers presented his perturbation theory treatment of this effect's modification of the Balmer and Lyman series. Along with van der Waals broadening and resonance broadening, this effect can produce pressure broadening of spectral lines. In addition to the giant version and the AC or Autler-Townes form of this effect, it exhibits variants that are linear and quadratic in the applied field. FTP name this shifting and splitting of spectral lines due to an external electric field, the analogue of the Zeeman effect.

A: Science
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Q: A major development of this historical event was the publication of letters written to Henry McComb. It began when Thomas Durant and other stockholders organized a company under an existing charter which soon assigned contracts to seven trustees. The reputations of congressmen James Brooks and James Patterson and Vice President Schulyer Colfax were ruined when it was revealed that they had been given stock in a company run by Oakes Ames. FTP, what was this scandal involving a scheme surrounding the construction of the Union Pacific Railroad

A: History
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Q: This composer's first cello concerto, which was memorized and premiered by Rostropovich after only four days, contains themes based on this composer's score to The Young Guard and his DSCH motif. The book Testimony contains the alleged memoirs of this composer, who used Franz Lehar's song "You'll Find Me at Maxim's" in one theme. After withdrawing his fourth symphony, this composer premiered a more conservative fifth symphony that he dubbed "An artist's (*) creative response to justified criticism." This composer wrote symphonies nicknamed The Year 1905, The Year 1917, and Babi-Yar. For 10 points, name this Russian composer whose Seventh Symphony contains the "invasion" theme and is nicknamed for the siege of Leningrad.

A:
Fine Arts
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