astronomy

Jürgen Kirschner

Jürgen Kirschner 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 Jürgen Kirschner rather than just read about it. In short: Jürgen Kirschner (born 18 April 1945) is a German solid state physicist and a director at the Max Planck Institute of Microstructure Physics. Kirschner is known for his research in electron spectroscopy, including instrument development and the study of magnetic materials.

Key takeaways

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

Reference excerpt

Jürgen Kirschner (born 18 April 1945) is a German solid state physicist and a director at the Max Planck Institute of Microstructure Physics. Kirschner is known for his research in electron spectroscopy, including instrument development and the study of magnetic materials.

Education and career Kirschner was born in Arendsee (Altmark) and studied physics at Technical University of Munich, where he obtained his PhD in 1974. He followed with research position at Forschungszentrum Jülich and obtained his habilitation at RWTH Aachen University in 1982. From 1988 to 1991, he was a professor in experimental physics at the Free University of Berlin. From 1992 to 2015, he was at the Max Planck Institute of Microstructure Physics in Halle, where he also became a professor at the University of Halle since 1993. He retired in 2015.

Honors and awards Kirschner is a member of the German National Academy of Sciences Leopoldina since 2002. He has led several programs from the German Research Foundation.

Bibliography Kirschner, J. (1977), "Electron-Excited Core Level Spectroscopies", in Ibach, Harald (ed.), Electron Spectroscopy for Surface Analysis, Topics in Current Physics, vol. 4, Berlin, Heidelberg: Springer Berlin Heidelberg, pp. 59–115, doi:10.1007/978-3-642-81099-2_3, ISBN 978-3-642-81101-2, retrieved 12 December 2022 Kirschner, J. (1985). Polarized Electrons at Surfaces. Springer Tracts in Modern Physics. Vol. 106. Berlin, Heidelberg: Springer Berlin Heidelberg. doi:10.1007/bfb0108668. ISBN 978-3-540-15003-9. Berakdar, J.; Kirschner, J., eds. (2001). Many-Particle Spectroscopy of Atoms, Molecules, Clusters, and Surfaces. Boston, MA: Springer US. doi:10.1007/978-1-4615-1311-7. ISBN 978-1-4613-5491-8. Berakdar, J.; Kirschner, J., eds. (2004). Correlation spectroscopy of surfaces, thin films, and nanostructures. Weinheim: Wiley-VCH. ISBN 3-527-40477-5. OCLC 85820389.

References

Worked examples

Example 1 — a first encounter with Jürgen Kirschner

Start with the simplest possible case. Write down what Jürgen Kirschner 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 Jürgen Kirschner 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 Jürgen Kirschner 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 Jürgen Kirschner

In research: Jürgen Kirschner 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 Jürgen Kirschner 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: Jürgen Kirschner is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1945 births, Academic staff of RWTH Aachen University, Academic staff of the Free University of Berlin, so understanding it makes those chapters shorter.
In everyday life: Look for Jürgen Kirschner 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 Jürgen Kirschner in 20 minutes

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

Frequently asked questions

What is Jürgen Kirschner in simple terms?

Why does Jürgen Kirschner 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 Jürgen Kirschner?

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 Jürgen Kirschner.