physics

Vadim Knizhnik

Vadim Knizhnik is a physics 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 Vadim Knizhnik rather than just read about it. In short: Vadim Genrikhovich Knizhnik (Russian: Вади́м Ге́нрихович Кни́жник; 20 February 1962 – 25 December 1987) was a Soviet physicist of Jewish and Russian descent. Biography Knizhnik was born in Kiev in 1962, and studied physics from 1978 to 1984 at the Moscow Institute for Physics and Technology.

Key takeaways

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

Reference excerpt

Vadim Genrikhovich Knizhnik (Russian: Вади́м Ге́нрихович Кни́жник; 20 February 1962 – 25 December 1987) was a Soviet physicist of Jewish and Russian descent.

Biography Knizhnik was born in Kiev in 1962, and studied physics from 1978 to 1984 at the Moscow Institute for Physics and Technology. He has received his PhD at the Landau Institute for Theoretical Physics. His supervisor was Prof. A. Polyakov, however, at the time of his PhD courses ("aspirantship") Vadim was already a first-class physicist, and supervising him was a pure formality. In 1986 he became a member of the Landau Institute. His distinguished abilities showed quite early. At the secondary school he won twice the USSR national physics olympiad. He wrote his first scientific article (in collaboration with Prof. L. Andreev) as a student in 1982. This article has dealt with kinetic properties of quantum crystals. From 1984 he turned to quantum field theory and made very important contributions to string theory. Knizhnik died of a heart attack in Moscow at the age of 25.

See also Knizhnik–Zamolodchikov equations

References

External links Russian Jewish Encyclopedia, retrieved November 24, 2006

Worked examples

Example 1 — a first encounter with Vadim Knizhnik

Start with the simplest possible case. Write down what Vadim Knizhnik claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, 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 Vadim Knizhnik 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 Vadim Knizhnik 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 Vadim Knizhnik

In research: Vadim Knizhnik appears in physics 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 Vadim Knizhnik 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: Vadim Knizhnik is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1962 births, 1987 deaths, Jewish Soviet physicists, so understanding it makes those chapters shorter.
In everyday life: Look for Vadim Knizhnik 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 Vadim Knizhnik in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Vadim Knizhnik 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 Vadim Knizhnik out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Vadim Knizhnik in simple terms?

Vadim Genrikhovich Knizhnik (Russian: Вади́м Ге́нрихович Кни́жник; 20 February 1962 – 25 December 1987) was a Soviet physicist of Jewish and Russian descent. Biography Knizhnik was born in Kiev in 1962, and studied physics from 1978 to 1984 at the Moscow Institute for Physics and Technology.

Why does Vadim Knizhnik matter?

Because it connects several physics 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 Vadim Knizhnik?

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 Vadim Knizhnik.