physics

Tommy Ohlsson

Tommy Ohlsson 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 Tommy Ohlsson rather than just read about it. In short: Tommy Ohlsson (born 13 June 1973) is a Swedish physicist. He is a full professor in theoretical physics with specialization in elementary particle physics at the Royal Institute of Technology (KTH) in Stockholm, Sweden, situated at the AlbaNova University Center.

Key takeaways

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

Reference excerpt

Tommy Ohlsson (born 13 June 1973) is a Swedish physicist. He is a full professor in theoretical physics with specialization in elementary particle physics at the Royal Institute of Technology (KTH) in Stockholm, Sweden, situated at the AlbaNova University Center. His research field is theoretical particle physics, particularly neutrino physics and physics beyond the so-called Standard Model. He is an author of around hundred scientific publications and one textbook (see Publications). He has also written a popular science text about the theory of special relativity at Nobelprize.org. Ohlsson received his PhD at KTH in 2000 and was a postdoc at the Technical University of Munich, Munich, Germany, between 2000 and 2002. He is employed at KTH since 2002 and was promoted to full professor in 2008. In 2003, he was awarded the Gustafsson Prize for young researchers at Uppsala University and KTH by the Göran Gustafsson Foundation[link removed]. Between 2005 and 2009, he held a research fellow position at the Royal Swedish Academy of Sciences (KVA), which was funded by the Knut and Alice Wallenberg Foundation (KAW). In December 2012, Ohlsson was elected for a four-year term (2013–2016) to serve on arXiv's member advisory board as one of eight voting members from the contributing organizations. Since 1 January 2014 Ohlsson is the coordinating editor of the scientific journal Nuclear Physics B, which focuses on the domain of high-energy physics, quantum field theory, statistical systems, and mathematical physics.

Publications Publications listed in the database Inspire Tommy Ohlsson, Relativistic Quantum Physics - From Advanced Quantum Mechanics to Introductory Quantum Field Theory, Cambridge (2011). ISBN 978-0-521-76726-2

References

External links Official website

Worked examples

Example 1 — a first encounter with Tommy Ohlsson

Start with the simplest possible case. Write down what Tommy Ohlsson 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 Tommy Ohlsson 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 Tommy Ohlsson 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 Tommy Ohlsson

In research: Tommy Ohlsson 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 Tommy Ohlsson 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: Tommy Ohlsson is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1973 births, Academic staff of the KTH Royal Institute of Technology, Living people, so understanding it makes those chapters shorter.
In everyday life: Look for Tommy Ohlsson 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 Tommy Ohlsson in 20 minutes

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

Frequently asked questions

What is Tommy Ohlsson in simple terms?

Why does Tommy Ohlsson 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 Tommy Ohlsson?

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 Tommy Ohlsson.