physics

Stephen Shenker

Stephen Shenker 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 Stephen Shenker rather than just read about it. In short: Stephen Hart Shenker (born 1953) is an American theoretical physicist who works on string theory. He is a professor at Stanford University and former director of the Stanford Institute for Theoretical Physics.

Key takeaways

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

Reference excerpt

Stephen Hart Shenker (born 1953) is an American theoretical physicist who works on string theory. He is a professor at Stanford University and former director of the Stanford Institute for Theoretical Physics. His brother Scott Shenker is a computer scientist.

Work Shenker's contributions to physics include:

Basic results on the phase structure of gauge theories (with Eduardo Fradkin) Basic results on two dimensional conformal field theory and its relation to string theory (with Daniel Friedan, Emil Martinec, Zongan Qiu, and others) The nonperturbative formulation of matrix models of low-dimensional string theory, the first nonperturbative definitions of string theory (with Michael R. Douglas) The discovery of distinctively stringy nonperturbative effects in string theory, later understood to be caused by D-branes. These effects play a major role in string dynamics The discovery of Matrix Theory, the first nonperturbative definition of String/M theory in a physical number of dimensions. Matrix Theory (see matrix string theory) is an example of a gauge/gravity duality and is now understood to be a special case of the AdS/CFT correspondence (with Tom Banks, Willy Fischler and Leonard Susskind) Basic results on the connection between quantum gravity and quantum chaos (with Douglas Stanford, Juan Maldacena and others)

Selected works Fidkowski, Lukasz; Hubeny, Veronika; Kleban, Matthew; Shenker, Stephen (6 February 2004). "The Black Hole Singularity in AdS/CFT". Journal of High Energy Physics. 2004 (2): 014. arXiv:hep-th/0306170. Bibcode:2004JHEP...02..014F. doi:10.1088/1126-6708/2004/02/014. S2CID 119363210.

References

External links home page of Stephen Shenker at Stanford home page of Stanford Institute for Theoretical Physics [1]

Illustrations

Worked examples

Example 1 — a first encounter with Stephen Shenker

Start with the simplest possible case. Write down what Stephen Shenker 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 Stephen Shenker 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 Stephen Shenker 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 Stephen Shenker

In research: Stephen Shenker 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 Stephen Shenker 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: Stephen Shenker is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1953 births, 21st-century American physicists, American string theorists, so understanding it makes those chapters shorter.
In everyday life: Look for Stephen Shenker 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 Stephen Shenker in 20 minutes

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

Frequently asked questions

What is Stephen Shenker in simple terms?

Why does Stephen Shenker 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 Stephen Shenker?

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 Stephen Shenker.