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WikiCards · Card list · Science cards · Brillouin zone
Uncommon card · Science
Brillouin zone, an Uncommon card
In mathematics and solid state physics, the first Brillouin zone is a uniquely defined primitive cell in reciprocal space.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 57
- DEF
- 42
- Power
- 99
- Wikipedia reads a year
- 67,000
Power 99 (ATK + DEF): stronger than 55 % of WikiCards cards.
Brillouin zone quiz: 3 questions
Three questions on the Brillouin zone card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
The boundaries of this cell are given by planes related to points on the ______ lattice.
Answer
reciprocal. The boundaries of this cell are given by planes related to points on the reciprocal lattice. From the Brillouin zone article on Wikipedia.
Which of these Wikipedia articles is read the most in a year?
Answer
Pascal. Pascal 260,000 · Cipher 150,000 · Isomorphism 120,000 · Brillouin zone 67,000 Wikipedia reads over a year.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- In the same way the Bravais lattice is divided up into Wigner–Seitz cells in the real lattice, the reciprocal lattice is broken up into Brillouin zones.
- The boundaries of this cell are given by planes related to points on the reciprocal lattice.
- The importance of the Brillouin zone stems from the description of waves in a periodic medium given by Bloch's theorem, in which it is found that the solutions can be completely characterized by their behavior in a single Brillouin zone.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Brillouin zone article was read about 67,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 57 and blocks with 42: each hit it takes is cut by 17 %.
How to get Brillouin zone
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
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Credits
Text : Wikipedia, Brillouin zone (revision), CC BY-SA 4.0. Photo : Gang65, CC BY-SA 3.0, Wikimedia Commons.
