astronomy

Rafi Bistritzer

Rafi Bistritzer is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Rafi Bistritzer rather than just read about it. In short: Rafi Bistritzer (Hebrew: רפי ביסטריצר; born 1974 in Israel) is an Israeli physicist, and manager of an algorithms group at Applied Materials. He is the winner of the 2020 Wolf Prize in Physics, together with Pablo Jarillo-Herrero and Allan MacDonald, for "pioneering theoretical and experimental work on twisted bilayer graphene." Education Bistritzer received a bachelor's degree in physics from Tel Aviv University in…

Key takeaways

Rafi Bistritzer belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Rafi Bistritzer to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Rafi Bistritzer from memory before moving on to harder problems.

Reference excerpt

Rafi Bistritzer (Hebrew: רפי ביסטריצר; born 1974 in Israel) is an Israeli physicist, and manager of an algorithms group at Applied Materials. He is the winner of the 2020 Wolf Prize in Physics, together with Pablo Jarillo-Herrero and Allan MacDonald, for "pioneering theoretical and experimental work on twisted bilayer graphene."

Education Bistritzer received a bachelor's degree in physics from Tel Aviv University in 2000. He received an MSc in physics in 2003, and a PhD in physics in 2007, both from the Weizmann Institute of Science. He moved to the United States for a postdoctoral fellowship at the University of Texas at Austin, under the supervision of Alan H. MacDonald, where he studied the theoretical physics of bilayer graphene, and specifically twisted bilayer graphene. Their calculations predicted that two parallel graphene sheets twisted at an angle of 1.1 degrees relative to each other (an angle known as the "magic angle") would host flat moiré bands and thus possibly correlated states.

Career MacDonald's and Bistritzer's work served as the basis for later experimental research by Pablo Jarillo-Herrero at MIT, whose group validated the correctness of the calculations in 2018. The result was a breakthrough in the field of twistronics. For their work, Bistritzer, MacDonald, and Jarillo-Herrero were jointly awarded the 2020 Wolf Prize in physics. In March 2011 Bistritzer returned to Israel and joined Aspect Imaging, where he worked as a physicist and led a research and development rheology team. In 2013 he moved to Medtronic as the manager of the physics group. Since December 2015, he has been working at Applied Materials as the director of an algorithms group that focuses on computer vision and machine learning. In 2020 he was appointed as an associate professor in Tel Aviv University. Bistritzer currently lives in Petah Tikva, Israel.

References

External links The Wolf 2020 Prize in Physics - Rafi Bistritzer. Archived 2020-01-13 at the Wayback Machine Google scholar - Rafi Bistritzer.

Worked examples

Example 1 — a first encounter with Rafi Bistritzer

Start with the simplest possible case. Write down what Rafi Bistritzer claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Rafi Bistritzer before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Rafi Bistritzer ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Rafi Bistritzer

In research: Rafi Bistritzer appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Rafi Bistritzer in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Rafi Bistritzer is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1974 births, Academic staff of Tel Aviv University, Israeli physicists, so understanding it makes those chapters shorter.
In everyday life: Look for Rafi Bistritzer outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Rafi Bistritzer in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Rafi Bistritzer means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Rafi Bistritzer out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Rafi Bistritzer in simple terms?

Why does Rafi Bistritzer matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Rafi Bistritzer?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Rafi Bistritzer.