astronomy

Ronald Hanson

Ronald Hanson 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 Ronald Hanson rather than just read about it. In short: Ronald Hanson (born 20 November 1976) is a Dutch experimental physicist. He is best known for his work on the foundations and applications of quantum entanglement.

Key takeaways

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

Reference excerpt

Ronald Hanson (born 20 November 1976) is a Dutch experimental physicist. He is best known for his work on the foundations and applications of quantum entanglement. He is a Professor at the Kavli Institute of Nanoscience at Delft University of Technology and scientific director of QuTech. the Dutch Quantum Institute for quantum computing and quantum internet, founded by Delft University of Technology and the Netherlands Organisation for Applied Research.

Biography Hanson graduated from the University of Groningen with a MSc degree in applied physics. He was recruited for the Japan Prizewinners Programme, a one-year postgraduate course for outstanding Dutch graduates with a university master's degree. In 2005 he graduated in a PhD in physics from Delft University of Technology, supervised by Leo Kouwenhoven. During 2005–2007 he worked as a postdoctoral fellow at the University of California, Santa Barbara, supervised by David Awschalom. In 2007 he accepted an assistant professorship in Delft. He obtained full professorship in 2012. Hanson is a co-founder of QuTech. He served as its first roadmap leader on Quantum Internet and Networked Computing from 2014 to 2017. In 2017 he was appointed Scientific Director of QuTech.

Research Hanson's PhD work pioneered control of electron spins in semiconductor quantum dots, laying groundwork for later progress towards scalable quantum computer architectures. Hanson's work since 2006 focuses on controlling single electron spins, single nuclear spins and single photons using diamond defect centers. In 2014, he achieved the first reliable teleportation of a quantum data from one chip to another, ref. 27 and ref. 28. In 2015, he reported the first loophole-free Bell inequality violation. Both Science and Nature put this work in their list of top science breakthroughs of 2015. In 2017, Hanson realized distillation of quantum entanglement on a rudimentary two-node quantum network. In 2018, Hanson's group demonstrated the deterministic delivery of entanglement. This work showed faster generation than loss of entanglement between separaterate chips. Jointly with Stephanie Wehner and David Elkouss, Hanson has published a roadmap towards a future quantum Internet

Memberships and affiliations From 2010 until 2015, Hanson was elected member of De Jonge Akademie (the Young Academy) of the Royal Netherlands Academy of Arts and Sciences (KNAW). In 2018, he became a member of the Koninklijke Hollandsche Maatschappij der Wetenschappen (KHMW). In 2019 he was elected member of the KNAW.

Awards In 2019, Hanson was named one of the four winners of the Spinoza Prize. He is recipient of the John Stewart Bell Prize (2017), the Huibregtsen Award for Excellence in Science and Society (2016) and the KNAW Ammodo science award (2015), the Nicholas Kurti European Science Prize (2012) and the QIPC Young Investigator Award (2012).

References

Illustrations

Worked examples

Example 1 — a first encounter with Ronald Hanson

Start with the simplest possible case. Write down what Ronald Hanson 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 Ronald Hanson 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 Ronald Hanson 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 Ronald Hanson

In research: Ronald Hanson 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 Ronald Hanson 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: Ronald Hanson is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1976 births, 21st-century Dutch physicists, Academic staff of the Delft University of Technology, so understanding it makes those chapters shorter.
In everyday life: Look for Ronald Hanson 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 Ronald Hanson in 20 minutes

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

Frequently asked questions

What is Ronald Hanson in simple terms?

Ronald Hanson (born 20 November 1976) is a Dutch experimental physicist. He is best known for his work on the foundations and applications of quantum entanglement.

Why does Ronald Hanson 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 Ronald Hanson?

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 Ronald Hanson.